/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 19:46:21,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 19:46:21,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 19:46:21,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 19:46:21,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 19:46:21,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 19:46:21,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 19:46:21,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 19:46:21,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 19:46:21,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 19:46:21,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 19:46:21,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 19:46:21,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 19:46:21,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 19:46:21,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 19:46:21,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 19:46:21,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 19:46:21,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 19:46:21,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 19:46:21,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 19:46:21,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 19:46:22,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 19:46:22,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 19:46:22,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 19:46:22,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 19:46:22,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 19:46:22,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 19:46:22,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 19:46:22,021 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-RepeatedSemanticLbe.epf [2021-03-25 19:46:22,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 19:46:22,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 19:46:22,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 19:46:22,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 19:46:22,060 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 19:46:22,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 19:46:22,061 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 19:46:22,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 19:46:22,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 19:46:22,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 19:46:22,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 19:46:22,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 19:46:22,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 19:46:22,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 19:46:22,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 19:46:22,063 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 19:46:22,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 19:46:22,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 19:46:22,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 19:46:22,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 19:46:22,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 19:46:22,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 19:46:22,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 19:46:22,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 19:46:22,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 19:46:22,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 19:46:22,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 19:46:22,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 19:46:22,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 19:46:22,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 19:46:22,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 19:46:22,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 19:46:22,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 19:46:22,387 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 19:46:22,388 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 19:46:22,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl [2021-03-25 19:46:22,389 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-5.wvr.bpl' [2021-03-25 19:46:22,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 19:46:22,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 19:46:22,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 19:46:22,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 19:46:22,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 19:46:22,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/1) ... [2021-03-25 19:46:22,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/1) ... [2021-03-25 19:46:22,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 19:46:22,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 19:46:22,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 19:46:22,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 19:46:22,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/1) ... [2021-03-25 19:46:22,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/1) ... [2021-03-25 19:46:22,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/1) ... [2021-03-25 19:46:22,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/1) ... [2021-03-25 19:46:22,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/1) ... [2021-03-25 19:46:22,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/1) ... [2021-03-25 19:46:22,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/1) ... [2021-03-25 19:46:22,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 19:46:22,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 19:46:22,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 19:46:22,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 19:46:22,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (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 [2021-03-25 19:46:22,525 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-25 19:46:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-25 19:46:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-25 19:46:22,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-25 19:46:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-25 19:46:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-25 19:46:22,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 19:46:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 19:46:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 19:46:22,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-25 19:46:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-25 19:46:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-25 19:46:22,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-25 19:46:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-25 19:46:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-25 19:46:22,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-03-25 19:46:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-03-25 19:46:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-03-25 19:46:22,528 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 19:46:22,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 19:46:22,788 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-25 19:46:22,790 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 07:46:22 BoogieIcfgContainer [2021-03-25 19:46:22,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 19:46:22,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 19:46:22,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 19:46:22,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 19:46:22,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 07:46:22" (1/2) ... [2021-03-25 19:46:22,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8ff10 and model type ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 07:46:22, skipping insertion in model container [2021-03-25 19:46:22,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 07:46:22" (2/2) ... [2021-03-25 19:46:22,795 INFO L111 eAbstractionObserver]: Analyzing ICFG ticket-5.wvr.bpl [2021-03-25 19:46:22,799 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 19:46:22,802 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 19:46:22,803 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 19:46:22,852 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-03-25 19:46:22,866 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 19:46:22,883 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 19:46:22,883 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 19:46:22,883 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 19:46:22,883 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 19:46:22,883 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 19:46:22,883 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 19:46:22,883 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 19:46:22,883 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 19:46:22,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 46 transitions, 132 flow [2021-03-25 19:46:22,938 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-25 19:46:22,938 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-25 19:46:22,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 41 events. 0/41 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 19:46:22,940 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 46 transitions, 132 flow [2021-03-25 19:46:22,943 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 39 transitions, 108 flow [2021-03-25 19:46:22,945 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:22,968 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 39 transitions, 108 flow [2021-03-25 19:46:22,977 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 39 transitions, 108 flow [2021-03-25 19:46:22,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 39 transitions, 108 flow [2021-03-25 19:46:23,003 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-03-25 19:46:23,003 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-25 19:46:23,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 39 events. 0/39 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 19:46:23,015 INFO L142 LiptonReduction]: Number of co-enabled transitions 748 [2021-03-25 19:46:23,992 INFO L154 LiptonReduction]: Checked pairs total: 933 [2021-03-25 19:46:23,992 INFO L156 LiptonReduction]: Total number of compositions: 15 [2021-03-25 19:46:23,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1051 [2021-03-25 19:46:24,006 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-25 19:46:24,006 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-25 19:46:24,006 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:24,007 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:24,007 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:24,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:24,011 INFO L82 PathProgramCache]: Analyzing trace with hash -866423877, now seen corresponding path program 1 times [2021-03-25 19:46:24,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:24,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005237838] [2021-03-25 19:46:24,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:24,161 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 19:46:24,162 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-25 19:46:24,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:24,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:24,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:24,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-25 19:46:24,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:24,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-25 19:46:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:24,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005237838] [2021-03-25 19:46:24,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:24,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 19:46:24,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339688315] [2021-03-25 19:46:24,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 19:46:24,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:24,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 19:46:24,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-25 19:46:24,218 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 61 [2021-03-25 19:46:24,219 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 24 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:24,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:24,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 61 [2021-03-25 19:46:24,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:24,440 INFO L129 PetriNetUnfolder]: 1023/1641 cut-off events. [2021-03-25 19:46:24,440 INFO L130 PetriNetUnfolder]: For 127/127 co-relation queries the response was YES. [2021-03-25 19:46:24,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3263 conditions, 1641 events. 1023/1641 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 9184 event pairs, 452 based on Foata normal form. 1/1622 useless extension candidates. Maximal degree in co-relation 3233. Up to 810 conditions per place. [2021-03-25 19:46:24,457 INFO L132 encePairwiseOnDemand]: 48/61 looper letters, 23 selfloop transitions, 11 changer transitions 1/46 dead transitions. [2021-03-25 19:46:24,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 46 transitions, 192 flow [2021-03-25 19:46:24,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 19:46:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 19:46:24,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 216 transitions. [2021-03-25 19:46:24,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7081967213114754 [2021-03-25 19:46:24,470 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 216 transitions. [2021-03-25 19:46:24,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 216 transitions. [2021-03-25 19:46:24,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:24,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 216 transitions. [2021-03-25 19:46:24,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 43.2) internal successors, (216), 5 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:24,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:24,486 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:24,487 INFO L185 Difference]: Start difference. First operand has 40 places, 24 transitions, 78 flow. Second operand 5 states and 216 transitions. [2021-03-25 19:46:24,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 46 transitions, 192 flow [2021-03-25 19:46:24,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 172 flow, removed 0 selfloop flow, removed 10 redundant places. [2021-03-25 19:46:24,502 INFO L241 Difference]: Finished difference. Result has 37 places, 33 transitions, 137 flow [2021-03-25 19:46:24,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=137, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2021-03-25 19:46:24,507 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, -3 predicate places. [2021-03-25 19:46:24,507 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:24,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 33 transitions, 137 flow [2021-03-25 19:46:24,508 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 33 transitions, 137 flow [2021-03-25 19:46:24,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 33 transitions, 137 flow [2021-03-25 19:46:24,553 INFO L129 PetriNetUnfolder]: 268/595 cut-off events. [2021-03-25 19:46:24,553 INFO L130 PetriNetUnfolder]: For 54/56 co-relation queries the response was YES. [2021-03-25 19:46:24,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1252 conditions, 595 events. 268/595 cut-off events. For 54/56 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 3730 event pairs, 155 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 1163. Up to 381 conditions per place. [2021-03-25 19:46:24,561 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-25 19:46:24,579 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:24,580 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:24,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-25 19:46:24,582 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 137 flow [2021-03-25 19:46:24,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 38.6) internal successors, (193), 5 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:24,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:24,584 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:24,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 19:46:24,585 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:24,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:24,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1818059171, now seen corresponding path program 2 times [2021-03-25 19:46:24,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:24,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777168458] [2021-03-25 19:46:24,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:24,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:24,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:24,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:24,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:24,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:24,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:24,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777168458] [2021-03-25 19:46:24,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:24,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 19:46:24,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143932754] [2021-03-25 19:46:24,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 19:46:24,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:24,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 19:46:24,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 19:46:24,677 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 61 [2021-03-25 19:46:24,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 137 flow. Second operand has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:24,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:24,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 61 [2021-03-25 19:46:24,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:25,081 INFO L129 PetriNetUnfolder]: 2532/3837 cut-off events. [2021-03-25 19:46:25,081 INFO L130 PetriNetUnfolder]: For 2271/2439 co-relation queries the response was YES. [2021-03-25 19:46:25,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11650 conditions, 3837 events. 2532/3837 cut-off events. For 2271/2439 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 21966 event pairs, 571 based on Foata normal form. 102/3926 useless extension candidates. Maximal degree in co-relation 11533. Up to 1704 conditions per place. [2021-03-25 19:46:25,111 INFO L132 encePairwiseOnDemand]: 50/61 looper letters, 30 selfloop transitions, 37 changer transitions 0/78 dead transitions. [2021-03-25 19:46:25,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 78 transitions, 462 flow [2021-03-25 19:46:25,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 19:46:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 19:46:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 233 transitions. [2021-03-25 19:46:25,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6366120218579235 [2021-03-25 19:46:25,113 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 233 transitions. [2021-03-25 19:46:25,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 233 transitions. [2021-03-25 19:46:25,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:25,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 233 transitions. [2021-03-25 19:46:25,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 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) [2021-03-25 19:46:25,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:25,116 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 61.0) internal successors, (427), 7 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:25,116 INFO L185 Difference]: Start difference. First operand has 37 places, 33 transitions, 137 flow. Second operand 6 states and 233 transitions. [2021-03-25 19:46:25,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 78 transitions, 462 flow [2021-03-25 19:46:25,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 78 transitions, 426 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-03-25 19:46:25,120 INFO L241 Difference]: Finished difference. Result has 40 places, 64 transitions, 379 flow [2021-03-25 19:46:25,120 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=379, PETRI_PLACES=40, PETRI_TRANSITIONS=64} [2021-03-25 19:46:25,120 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 0 predicate places. [2021-03-25 19:46:25,120 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:25,121 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 64 transitions, 379 flow [2021-03-25 19:46:25,121 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 64 transitions, 379 flow [2021-03-25 19:46:25,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 64 transitions, 379 flow [2021-03-25 19:46:25,294 INFO L129 PetriNetUnfolder]: 1497/2525 cut-off events. [2021-03-25 19:46:25,294 INFO L130 PetriNetUnfolder]: For 1890/2158 co-relation queries the response was YES. [2021-03-25 19:46:25,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7787 conditions, 2525 events. 1497/2525 cut-off events. For 1890/2158 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 15857 event pairs, 304 based on Foata normal form. 59/2552 useless extension candidates. Maximal degree in co-relation 7629. Up to 1340 conditions per place. [2021-03-25 19:46:25,318 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-25 19:46:25,651 INFO L154 LiptonReduction]: Checked pairs total: 40 [2021-03-25 19:46:25,651 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 19:46:25,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 532 [2021-03-25 19:46:25,660 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 64 transitions, 379 flow [2021-03-25 19:46:25,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.166666666666664) internal successors, (193), 6 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:25,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:25,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:25,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 19:46:25,661 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:25,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:25,662 INFO L82 PathProgramCache]: Analyzing trace with hash -431297975, now seen corresponding path program 3 times [2021-03-25 19:46:25,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:25,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152039992] [2021-03-25 19:46:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:25,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:25,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:25,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:25,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:25,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:25,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:25,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:25,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:25,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152039992] [2021-03-25 19:46:25,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:25,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 19:46:25,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280651649] [2021-03-25 19:46:25,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 19:46:25,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:25,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 19:46:25,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 19:46:25,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 62 [2021-03-25 19:46:25,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 64 transitions, 379 flow. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:25,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:25,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 62 [2021-03-25 19:46:25,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:26,116 INFO L129 PetriNetUnfolder]: 2653/4083 cut-off events. [2021-03-25 19:46:26,117 INFO L130 PetriNetUnfolder]: For 4514/4862 co-relation queries the response was YES. [2021-03-25 19:46:26,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15888 conditions, 4083 events. 2653/4083 cut-off events. For 4514/4862 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 23469 event pairs, 560 based on Foata normal form. 65/4139 useless extension candidates. Maximal degree in co-relation 15698. Up to 3534 conditions per place. [2021-03-25 19:46:26,156 INFO L132 encePairwiseOnDemand]: 52/62 looper letters, 63 selfloop transitions, 36 changer transitions 0/110 dead transitions. [2021-03-25 19:46:26,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 110 transitions, 874 flow [2021-03-25 19:46:26,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 19:46:26,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 19:46:26,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 190 transitions. [2021-03-25 19:46:26,157 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6129032258064516 [2021-03-25 19:46:26,157 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 190 transitions. [2021-03-25 19:46:26,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 190 transitions. [2021-03-25 19:46:26,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:26,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 190 transitions. [2021-03-25 19:46:26,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 38.0) internal successors, (190), 5 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:26,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:26,160 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:26,160 INFO L185 Difference]: Start difference. First operand has 40 places, 64 transitions, 379 flow. Second operand 5 states and 190 transitions. [2021-03-25 19:46:26,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 110 transitions, 874 flow [2021-03-25 19:46:26,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 110 transitions, 848 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-03-25 19:46:26,167 INFO L241 Difference]: Finished difference. Result has 45 places, 94 transitions, 727 flow [2021-03-25 19:46:26,168 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=62, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=727, PETRI_PLACES=45, PETRI_TRANSITIONS=94} [2021-03-25 19:46:26,168 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 5 predicate places. [2021-03-25 19:46:26,168 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:26,168 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 94 transitions, 727 flow [2021-03-25 19:46:26,168 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 94 transitions, 727 flow [2021-03-25 19:46:26,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 94 transitions, 727 flow [2021-03-25 19:46:26,372 INFO L129 PetriNetUnfolder]: 1582/2662 cut-off events. [2021-03-25 19:46:26,372 INFO L130 PetriNetUnfolder]: For 3977/4228 co-relation queries the response was YES. [2021-03-25 19:46:26,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9170 conditions, 2662 events. 1582/2662 cut-off events. For 3977/4228 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 16690 event pairs, 266 based on Foata normal form. 84/2718 useless extension candidates. Maximal degree in co-relation 8989. Up to 1400 conditions per place. [2021-03-25 19:46:26,405 INFO L142 LiptonReduction]: Number of co-enabled transitions 514 [2021-03-25 19:46:27,182 INFO L154 LiptonReduction]: Checked pairs total: 348 [2021-03-25 19:46:27,182 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 19:46:27,182 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1014 [2021-03-25 19:46:27,183 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 94 transitions, 727 flow [2021-03-25 19:46:27,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 5 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:27,184 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:27,184 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] [2021-03-25 19:46:27,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 19:46:27,184 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:27,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:27,184 INFO L82 PathProgramCache]: Analyzing trace with hash -764562289, now seen corresponding path program 1 times [2021-03-25 19:46:27,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:27,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930812187] [2021-03-25 19:46:27,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:27,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:27,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:27,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:27,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:27,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:27,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:27,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:27,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:27,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:27,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:27,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:27,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:27,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:27,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:27,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:27,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930812187] [2021-03-25 19:46:27,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:27,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:46:27,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636892094] [2021-03-25 19:46:27,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:46:27,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:27,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:46:27,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:46:27,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 68 [2021-03-25 19:46:27,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 94 transitions, 727 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:27,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:27,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 68 [2021-03-25 19:46:27,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:27,866 INFO L129 PetriNetUnfolder]: 3445/5377 cut-off events. [2021-03-25 19:46:27,867 INFO L130 PetriNetUnfolder]: For 10611/10843 co-relation queries the response was YES. [2021-03-25 19:46:27,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22345 conditions, 5377 events. 3445/5377 cut-off events. For 10611/10843 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 33593 event pairs, 474 based on Foata normal form. 175/5540 useless extension candidates. Maximal degree in co-relation 22176. Up to 2454 conditions per place. [2021-03-25 19:46:27,908 INFO L132 encePairwiseOnDemand]: 50/68 looper letters, 33 selfloop transitions, 170 changer transitions 1/215 dead transitions. [2021-03-25 19:46:27,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 215 transitions, 2040 flow [2021-03-25 19:46:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 19:46:27,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 19:46:27,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 293 transitions. [2021-03-25 19:46:27,910 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.615546218487395 [2021-03-25 19:46:27,910 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 293 transitions. [2021-03-25 19:46:27,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 293 transitions. [2021-03-25 19:46:27,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:27,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 293 transitions. [2021-03-25 19:46:27,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 41.857142857142854) internal successors, (293), 7 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:27,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 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) [2021-03-25 19:46:27,912 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 68.0) internal successors, (544), 8 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) [2021-03-25 19:46:27,913 INFO L185 Difference]: Start difference. First operand has 45 places, 94 transitions, 727 flow. Second operand 7 states and 293 transitions. [2021-03-25 19:46:27,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 215 transitions, 2040 flow [2021-03-25 19:46:27,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 215 transitions, 2034 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 19:46:27,924 INFO L241 Difference]: Finished difference. Result has 52 places, 199 transitions, 2141 flow [2021-03-25 19:46:27,925 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2141, PETRI_PLACES=52, PETRI_TRANSITIONS=199} [2021-03-25 19:46:27,925 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 12 predicate places. [2021-03-25 19:46:27,925 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:27,925 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 199 transitions, 2141 flow [2021-03-25 19:46:27,925 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 199 transitions, 2141 flow [2021-03-25 19:46:27,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 199 transitions, 2141 flow [2021-03-25 19:46:28,177 INFO L129 PetriNetUnfolder]: 2062/3514 cut-off events. [2021-03-25 19:46:28,177 INFO L130 PetriNetUnfolder]: For 9853/10402 co-relation queries the response was YES. [2021-03-25 19:46:28,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16761 conditions, 3514 events. 2062/3514 cut-off events. For 9853/10402 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 23711 event pairs, 213 based on Foata normal form. 141/3625 useless extension candidates. Maximal degree in co-relation 16560. Up to 1949 conditions per place. [2021-03-25 19:46:28,218 INFO L142 LiptonReduction]: Number of co-enabled transitions 916 [2021-03-25 19:46:30,526 INFO L154 LiptonReduction]: Checked pairs total: 1683 [2021-03-25 19:46:30,527 INFO L156 LiptonReduction]: Total number of compositions: 15 [2021-03-25 19:46:30,527 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2602 [2021-03-25 19:46:30,528 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 199 transitions, 2143 flow [2021-03-25 19:46:30,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:30,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:30,528 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:30,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 19:46:30,528 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:30,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:30,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1499912123, now seen corresponding path program 1 times [2021-03-25 19:46:30,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:30,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512593721] [2021-03-25 19:46:30,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:30,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:30,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:30,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:30,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:30,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:30,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:30,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:30,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:30,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512593721] [2021-03-25 19:46:30,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:30,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 19:46:30,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798093128] [2021-03-25 19:46:30,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 19:46:30,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:30,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 19:46:30,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 19:46:30,562 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 83 [2021-03-25 19:46:30,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 199 transitions, 2143 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:30,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:30,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 83 [2021-03-25 19:46:30,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:31,210 INFO L129 PetriNetUnfolder]: 3518/5590 cut-off events. [2021-03-25 19:46:31,210 INFO L130 PetriNetUnfolder]: For 17663/18201 co-relation queries the response was YES. [2021-03-25 19:46:31,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30138 conditions, 5590 events. 3518/5590 cut-off events. For 17663/18201 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 36063 event pairs, 641 based on Foata normal form. 114/5692 useless extension candidates. Maximal degree in co-relation 29876. Up to 4764 conditions per place. [2021-03-25 19:46:31,263 INFO L132 encePairwiseOnDemand]: 61/83 looper letters, 148 selfloop transitions, 83 changer transitions 0/242 dead transitions. [2021-03-25 19:46:31,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 242 transitions, 3055 flow [2021-03-25 19:46:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 19:46:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 19:46:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 214 transitions. [2021-03-25 19:46:31,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5156626506024097 [2021-03-25 19:46:31,265 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 214 transitions. [2021-03-25 19:46:31,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 214 transitions. [2021-03-25 19:46:31,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:31,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 214 transitions. [2021-03-25 19:46:31,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:31,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 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) [2021-03-25 19:46:31,267 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 83.0) internal successors, (498), 6 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) [2021-03-25 19:46:31,267 INFO L185 Difference]: Start difference. First operand has 52 places, 199 transitions, 2143 flow. Second operand 5 states and 214 transitions. [2021-03-25 19:46:31,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 242 transitions, 3055 flow [2021-03-25 19:46:31,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 242 transitions, 2989 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-03-25 19:46:31,307 INFO L241 Difference]: Finished difference. Result has 56 places, 221 transitions, 2586 flow [2021-03-25 19:46:31,308 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=2093, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2586, PETRI_PLACES=56, PETRI_TRANSITIONS=221} [2021-03-25 19:46:31,308 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 16 predicate places. [2021-03-25 19:46:31,308 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:31,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 221 transitions, 2586 flow [2021-03-25 19:46:31,309 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 221 transitions, 2586 flow [2021-03-25 19:46:31,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 221 transitions, 2586 flow [2021-03-25 19:46:31,609 INFO L129 PetriNetUnfolder]: 2150/3632 cut-off events. [2021-03-25 19:46:31,609 INFO L130 PetriNetUnfolder]: For 10435/10955 co-relation queries the response was YES. [2021-03-25 19:46:31,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17158 conditions, 3632 events. 2150/3632 cut-off events. For 10435/10955 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 24382 event pairs, 214 based on Foata normal form. 160/3766 useless extension candidates. Maximal degree in co-relation 16956. Up to 2044 conditions per place. [2021-03-25 19:46:31,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 964 [2021-03-25 19:46:32,823 INFO L154 LiptonReduction]: Checked pairs total: 1290 [2021-03-25 19:46:32,823 INFO L156 LiptonReduction]: Total number of compositions: 10 [2021-03-25 19:46:32,823 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1515 [2021-03-25 19:46:32,824 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 221 transitions, 2586 flow [2021-03-25 19:46:32,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:32,824 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:32,824 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] [2021-03-25 19:46:32,824 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 19:46:32,824 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:32,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:32,825 INFO L82 PathProgramCache]: Analyzing trace with hash -747476473, now seen corresponding path program 1 times [2021-03-25 19:46:32,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:32,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176707236] [2021-03-25 19:46:32,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:32,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:32,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:32,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:32,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:32,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:32,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:32,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:32,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:32,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:32,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:32,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:32,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:32,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176707236] [2021-03-25 19:46:32,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:32,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 19:46:32,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211004861] [2021-03-25 19:46:32,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 19:46:32,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:32,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 19:46:32,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 19:46:32,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 93 [2021-03-25 19:46:32,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 221 transitions, 2586 flow. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:32,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:32,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 93 [2021-03-25 19:46:32,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:33,613 INFO L129 PetriNetUnfolder]: 3484/5490 cut-off events. [2021-03-25 19:46:33,613 INFO L130 PetriNetUnfolder]: For 19239/19705 co-relation queries the response was YES. [2021-03-25 19:46:33,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29473 conditions, 5490 events. 3484/5490 cut-off events. For 19239/19705 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 35091 event pairs, 544 based on Foata normal form. 79/5557 useless extension candidates. Maximal degree in co-relation 29275. Up to 2472 conditions per place. [2021-03-25 19:46:33,651 INFO L132 encePairwiseOnDemand]: 50/93 looper letters, 28 selfloop transitions, 189 changer transitions 1/229 dead transitions. [2021-03-25 19:46:33,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 229 transitions, 3062 flow [2021-03-25 19:46:33,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 19:46:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 19:46:33,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 270 transitions. [2021-03-25 19:46:33,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4838709677419355 [2021-03-25 19:46:33,653 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 270 transitions. [2021-03-25 19:46:33,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 270 transitions. [2021-03-25 19:46:33,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:33,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 270 transitions. [2021-03-25 19:46:33,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 45.0) internal successors, (270), 6 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:33,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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) [2021-03-25 19:46:33,655 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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) [2021-03-25 19:46:33,655 INFO L185 Difference]: Start difference. First operand has 56 places, 221 transitions, 2586 flow. Second operand 6 states and 270 transitions. [2021-03-25 19:46:33,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 229 transitions, 3062 flow [2021-03-25 19:46:33,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 229 transitions, 2981 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 19:46:33,683 INFO L241 Difference]: Finished difference. Result has 59 places, 220 transitions, 2873 flow [2021-03-25 19:46:33,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2495, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2873, PETRI_PLACES=59, PETRI_TRANSITIONS=220} [2021-03-25 19:46:33,684 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 19 predicate places. [2021-03-25 19:46:33,684 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:33,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 220 transitions, 2873 flow [2021-03-25 19:46:33,684 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 220 transitions, 2873 flow [2021-03-25 19:46:33,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 220 transitions, 2873 flow [2021-03-25 19:46:33,936 INFO L129 PetriNetUnfolder]: 2078/3551 cut-off events. [2021-03-25 19:46:33,936 INFO L130 PetriNetUnfolder]: For 12024/12503 co-relation queries the response was YES. [2021-03-25 19:46:33,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18795 conditions, 3551 events. 2078/3551 cut-off events. For 12024/12503 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 23663 event pairs, 243 based on Foata normal form. 162/3698 useless extension candidates. Maximal degree in co-relation 18562. Up to 1980 conditions per place. [2021-03-25 19:46:33,964 INFO L142 LiptonReduction]: Number of co-enabled transitions 960 [2021-03-25 19:46:34,592 INFO L154 LiptonReduction]: Checked pairs total: 384 [2021-03-25 19:46:34,592 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 19:46:34,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 908 [2021-03-25 19:46:34,593 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 220 transitions, 2873 flow [2021-03-25 19:46:34,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 6 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:34,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:34,593 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:34,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 19:46:34,594 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:34,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:34,594 INFO L82 PathProgramCache]: Analyzing trace with hash 310432028, now seen corresponding path program 1 times [2021-03-25 19:46:34,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:34,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436639447] [2021-03-25 19:46:34,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:34,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:34,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:34,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:34,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:34,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:34,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:34,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:34,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:34,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:34,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:34,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:34,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:34,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:34,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436639447] [2021-03-25 19:46:34,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:34,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:46:34,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530948083] [2021-03-25 19:46:34,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:46:34,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:34,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:46:34,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:46:34,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 96 [2021-03-25 19:46:34,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 220 transitions, 2873 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:34,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:34,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 96 [2021-03-25 19:46:34,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:35,374 INFO L129 PetriNetUnfolder]: 3562/5633 cut-off events. [2021-03-25 19:46:35,374 INFO L130 PetriNetUnfolder]: For 25651/26533 co-relation queries the response was YES. [2021-03-25 19:46:35,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33215 conditions, 5633 events. 3562/5633 cut-off events. For 25651/26533 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 36367 event pairs, 559 based on Foata normal form. 196/5811 useless extension candidates. Maximal degree in co-relation 33025. Up to 2559 conditions per place. [2021-03-25 19:46:35,413 INFO L132 encePairwiseOnDemand]: 50/96 looper letters, 32 selfloop transitions, 239 changer transitions 1/283 dead transitions. [2021-03-25 19:46:35,413 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 283 transitions, 4284 flow [2021-03-25 19:46:35,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 19:46:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 19:46:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 335 transitions. [2021-03-25 19:46:35,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49851190476190477 [2021-03-25 19:46:35,416 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 335 transitions. [2021-03-25 19:46:35,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 335 transitions. [2021-03-25 19:46:35,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:35,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 335 transitions. [2021-03-25 19:46:35,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 47.857142857142854) internal successors, (335), 7 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:35,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 96.0) internal successors, (768), 8 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:35,418 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 96.0) internal successors, (768), 8 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:35,418 INFO L185 Difference]: Start difference. First operand has 59 places, 220 transitions, 2873 flow. Second operand 7 states and 335 transitions. [2021-03-25 19:46:35,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 283 transitions, 4284 flow [2021-03-25 19:46:35,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 283 transitions, 3808 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 19:46:35,450 INFO L241 Difference]: Finished difference. Result has 62 places, 270 transitions, 3824 flow [2021-03-25 19:46:35,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=2495, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3824, PETRI_PLACES=62, PETRI_TRANSITIONS=270} [2021-03-25 19:46:35,450 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 22 predicate places. [2021-03-25 19:46:35,451 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:35,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 270 transitions, 3824 flow [2021-03-25 19:46:35,451 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 270 transitions, 3824 flow [2021-03-25 19:46:35,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 270 transitions, 3824 flow [2021-03-25 19:46:35,724 INFO L129 PetriNetUnfolder]: 2104/3583 cut-off events. [2021-03-25 19:46:35,725 INFO L130 PetriNetUnfolder]: For 12376/12808 co-relation queries the response was YES. [2021-03-25 19:46:35,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20252 conditions, 3583 events. 2104/3583 cut-off events. For 12376/12808 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 24100 event pairs, 228 based on Foata normal form. 187/3754 useless extension candidates. Maximal degree in co-relation 20054. Up to 2025 conditions per place. [2021-03-25 19:46:35,757 INFO L142 LiptonReduction]: Number of co-enabled transitions 976 [2021-03-25 19:46:36,240 INFO L154 LiptonReduction]: Checked pairs total: 256 [2021-03-25 19:46:36,240 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 19:46:36,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 789 [2021-03-25 19:46:36,241 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 269 transitions, 3824 flow [2021-03-25 19:46:36,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:36,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:36,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:36,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 19:46:36,241 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:36,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:36,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1967614335, now seen corresponding path program 1 times [2021-03-25 19:46:36,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:36,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062783359] [2021-03-25 19:46:36,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:36,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:36,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:36,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:36,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:36,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:36,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:36,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:36,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:36,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:36,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062783359] [2021-03-25 19:46:36,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:36,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 19:46:36,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712846906] [2021-03-25 19:46:36,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 19:46:36,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:36,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 19:46:36,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 19:46:36,294 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-25 19:46:36,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 269 transitions, 3824 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:36,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:36,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-25 19:46:36,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:36,884 INFO L129 PetriNetUnfolder]: 2665/4345 cut-off events. [2021-03-25 19:46:36,884 INFO L130 PetriNetUnfolder]: For 18466/19007 co-relation queries the response was YES. [2021-03-25 19:46:36,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28136 conditions, 4345 events. 2665/4345 cut-off events. For 18466/19007 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 28128 event pairs, 367 based on Foata normal form. 166/4500 useless extension candidates. Maximal degree in co-relation 27939. Up to 2195 conditions per place. [2021-03-25 19:46:36,952 INFO L132 encePairwiseOnDemand]: 54/98 looper letters, 80 selfloop transitions, 242 changer transitions 0/333 dead transitions. [2021-03-25 19:46:36,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 333 transitions, 5428 flow [2021-03-25 19:46:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 19:46:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 19:46:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 286 transitions. [2021-03-25 19:46:36,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48639455782312924 [2021-03-25 19:46:36,955 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 286 transitions. [2021-03-25 19:46:36,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 286 transitions. [2021-03-25 19:46:36,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:36,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 286 transitions. [2021-03-25 19:46:36,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 47.666666666666664) internal successors, (286), 6 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:36,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 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) [2021-03-25 19:46:36,958 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 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) [2021-03-25 19:46:36,958 INFO L185 Difference]: Start difference. First operand has 61 places, 269 transitions, 3824 flow. Second operand 6 states and 286 transitions. [2021-03-25 19:46:36,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 333 transitions, 5428 flow [2021-03-25 19:46:36,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 333 transitions, 5006 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-25 19:46:36,995 INFO L241 Difference]: Finished difference. Result has 62 places, 319 transitions, 4842 flow [2021-03-25 19:46:36,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=3455, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4842, PETRI_PLACES=62, PETRI_TRANSITIONS=319} [2021-03-25 19:46:36,995 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 22 predicate places. [2021-03-25 19:46:36,995 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:36,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 319 transitions, 4842 flow [2021-03-25 19:46:36,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 319 transitions, 4842 flow [2021-03-25 19:46:36,998 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 319 transitions, 4842 flow [2021-03-25 19:46:37,265 INFO L129 PetriNetUnfolder]: 2200/3698 cut-off events. [2021-03-25 19:46:37,265 INFO L130 PetriNetUnfolder]: For 16438/16990 co-relation queries the response was YES. [2021-03-25 19:46:37,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21360 conditions, 3698 events. 2200/3698 cut-off events. For 16438/16990 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 24432 event pairs, 203 based on Foata normal form. 213/3879 useless extension candidates. Maximal degree in co-relation 21139. Up to 2130 conditions per place. [2021-03-25 19:46:37,291 INFO L142 LiptonReduction]: Number of co-enabled transitions 766 [2021-03-25 19:46:37,396 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:37,396 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:37,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 401 [2021-03-25 19:46:37,397 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 319 transitions, 4842 flow [2021-03-25 19:46:37,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:37,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:37,397 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:37,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 19:46:37,397 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:37,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:37,398 INFO L82 PathProgramCache]: Analyzing trace with hash -580798755, now seen corresponding path program 1 times [2021-03-25 19:46:37,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:37,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35429623] [2021-03-25 19:46:37,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:37,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:37,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:37,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:37,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:37,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:37,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:37,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:37,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:37,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35429623] [2021-03-25 19:46:37,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:37,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 19:46:37,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422714827] [2021-03-25 19:46:37,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 19:46:37,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:37,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 19:46:37,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 19:46:37,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-25 19:46:37,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 319 transitions, 4842 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:37,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:37,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-25 19:46:37,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:38,014 INFO L129 PetriNetUnfolder]: 2677/4349 cut-off events. [2021-03-25 19:46:38,014 INFO L130 PetriNetUnfolder]: For 21847/22305 co-relation queries the response was YES. [2021-03-25 19:46:38,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28666 conditions, 4349 events. 2677/4349 cut-off events. For 21847/22305 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 28277 event pairs, 476 based on Foata normal form. 87/4423 useless extension candidates. Maximal degree in co-relation 28505. Up to 3698 conditions per place. [2021-03-25 19:46:38,048 INFO L132 encePairwiseOnDemand]: 67/98 looper letters, 180 selfloop transitions, 174 changer transitions 0/365 dead transitions. [2021-03-25 19:46:38,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 365 transitions, 6271 flow [2021-03-25 19:46:38,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 19:46:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 19:46:38,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 235 transitions. [2021-03-25 19:46:38,050 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47959183673469385 [2021-03-25 19:46:38,050 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 235 transitions. [2021-03-25 19:46:38,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 235 transitions. [2021-03-25 19:46:38,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:38,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 235 transitions. [2021-03-25 19:46:38,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 47.0) internal successors, (235), 5 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) [2021-03-25 19:46:38,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 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) [2021-03-25 19:46:38,052 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 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) [2021-03-25 19:46:38,052 INFO L185 Difference]: Start difference. First operand has 62 places, 319 transitions, 4842 flow. Second operand 5 states and 235 transitions. [2021-03-25 19:46:38,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 365 transitions, 6271 flow [2021-03-25 19:46:38,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 365 transitions, 5977 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 19:46:38,094 INFO L241 Difference]: Finished difference. Result has 64 places, 349 transitions, 5555 flow [2021-03-25 19:46:38,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=4578, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=5555, PETRI_PLACES=64, PETRI_TRANSITIONS=349} [2021-03-25 19:46:38,095 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 24 predicate places. [2021-03-25 19:46:38,095 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:38,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 349 transitions, 5555 flow [2021-03-25 19:46:38,095 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 349 transitions, 5555 flow [2021-03-25 19:46:38,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 349 transitions, 5555 flow [2021-03-25 19:46:38,380 INFO L129 PetriNetUnfolder]: 2197/3724 cut-off events. [2021-03-25 19:46:38,380 INFO L130 PetriNetUnfolder]: For 18681/19211 co-relation queries the response was YES. [2021-03-25 19:46:38,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20566 conditions, 3724 events. 2197/3724 cut-off events. For 18681/19211 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 24924 event pairs, 202 based on Foata normal form. 241/3931 useless extension candidates. Maximal degree in co-relation 20341. Up to 2132 conditions per place. [2021-03-25 19:46:38,404 INFO L142 LiptonReduction]: Number of co-enabled transitions 784 [2021-03-25 19:46:38,466 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:38,466 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:38,466 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 371 [2021-03-25 19:46:38,467 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 349 transitions, 5555 flow [2021-03-25 19:46:38,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:38,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:38,467 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:38,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 19:46:38,468 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:38,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:38,468 INFO L82 PathProgramCache]: Analyzing trace with hash 235269941, now seen corresponding path program 2 times [2021-03-25 19:46:38,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:38,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584044083] [2021-03-25 19:46:38,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:38,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:38,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:38,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:38,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:38,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:38,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:38,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:38,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:38,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:38,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584044083] [2021-03-25 19:46:38,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:38,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 19:46:38,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397941510] [2021-03-25 19:46:38,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 19:46:38,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:38,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 19:46:38,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 19:46:38,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-25 19:46:38,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 349 transitions, 5555 flow. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:38,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:38,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-25 19:46:38,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:39,071 INFO L129 PetriNetUnfolder]: 2648/4324 cut-off events. [2021-03-25 19:46:39,071 INFO L130 PetriNetUnfolder]: For 23837/24341 co-relation queries the response was YES. [2021-03-25 19:46:39,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27714 conditions, 4324 events. 2648/4324 cut-off events. For 23837/24341 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 28121 event pairs, 444 based on Foata normal form. 107/4420 useless extension candidates. Maximal degree in co-relation 27570. Up to 3652 conditions per place. [2021-03-25 19:46:39,091 INFO L132 encePairwiseOnDemand]: 67/98 looper letters, 180 selfloop transitions, 194 changer transitions 1/386 dead transitions. [2021-03-25 19:46:39,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 386 transitions, 6899 flow [2021-03-25 19:46:39,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 19:46:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 19:46:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 226 transitions. [2021-03-25 19:46:39,093 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46122448979591835 [2021-03-25 19:46:39,093 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 226 transitions. [2021-03-25 19:46:39,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 226 transitions. [2021-03-25 19:46:39,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:39,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 226 transitions. [2021-03-25 19:46:39,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 45.2) internal successors, (226), 5 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) [2021-03-25 19:46:39,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 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) [2021-03-25 19:46:39,094 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 98.0) internal successors, (588), 6 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) [2021-03-25 19:46:39,094 INFO L185 Difference]: Start difference. First operand has 64 places, 349 transitions, 5555 flow. Second operand 5 states and 226 transitions. [2021-03-25 19:46:39,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 386 transitions, 6899 flow [2021-03-25 19:46:39,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 386 transitions, 6706 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 19:46:39,132 INFO L241 Difference]: Finished difference. Result has 67 places, 372 transitions, 6305 flow [2021-03-25 19:46:39,132 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5305, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=6305, PETRI_PLACES=67, PETRI_TRANSITIONS=372} [2021-03-25 19:46:39,132 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 27 predicate places. [2021-03-25 19:46:39,132 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:39,132 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 372 transitions, 6305 flow [2021-03-25 19:46:39,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 372 transitions, 6305 flow [2021-03-25 19:46:39,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 372 transitions, 6305 flow [2021-03-25 19:46:39,364 INFO L129 PetriNetUnfolder]: 2136/3589 cut-off events. [2021-03-25 19:46:39,365 INFO L130 PetriNetUnfolder]: For 18415/18917 co-relation queries the response was YES. [2021-03-25 19:46:39,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20028 conditions, 3589 events. 2136/3589 cut-off events. For 18415/18917 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 23850 event pairs, 268 based on Foata normal form. 219/3775 useless extension candidates. Maximal degree in co-relation 19824. Up to 2092 conditions per place. [2021-03-25 19:46:39,387 INFO L142 LiptonReduction]: Number of co-enabled transitions 770 [2021-03-25 19:46:39,543 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:39,544 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:39,544 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 412 [2021-03-25 19:46:39,544 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 372 transitions, 6305 flow [2021-03-25 19:46:39,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 5 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:39,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:39,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:39,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 19:46:39,545 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:39,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:39,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1169912521, now seen corresponding path program 3 times [2021-03-25 19:46:39,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:39,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730530081] [2021-03-25 19:46:39,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:39,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:39,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:39,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:39,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:39,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:39,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:39,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:39,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:39,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:39,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:39,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:39,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:39,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730530081] [2021-03-25 19:46:39,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:39,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:46:39,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370415461] [2021-03-25 19:46:39,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:46:39,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:39,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:46:39,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:46:39,597 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-25 19:46:39,597 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 372 transitions, 6305 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:39,597 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:39,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-25 19:46:39,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:40,267 INFO L129 PetriNetUnfolder]: 2595/4302 cut-off events. [2021-03-25 19:46:40,267 INFO L130 PetriNetUnfolder]: For 22957/23454 co-relation queries the response was YES. [2021-03-25 19:46:40,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27733 conditions, 4302 events. 2595/4302 cut-off events. For 22957/23454 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 28357 event pairs, 432 based on Foata normal form. 124/4420 useless extension candidates. Maximal degree in co-relation 27510. Up to 2189 conditions per place. [2021-03-25 19:46:40,292 INFO L132 encePairwiseOnDemand]: 51/98 looper letters, 30 selfloop transitions, 387 changer transitions 0/428 dead transitions. [2021-03-25 19:46:40,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 428 transitions, 8180 flow [2021-03-25 19:46:40,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 19:46:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 19:46:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 314 transitions. [2021-03-25 19:46:40,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4577259475218659 [2021-03-25 19:46:40,296 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 314 transitions. [2021-03-25 19:46:40,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 314 transitions. [2021-03-25 19:46:40,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:40,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 314 transitions. [2021-03-25 19:46:40,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 44.857142857142854) internal successors, (314), 7 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:40,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:40,298 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:40,298 INFO L185 Difference]: Start difference. First operand has 67 places, 372 transitions, 6305 flow. Second operand 7 states and 314 transitions. [2021-03-25 19:46:40,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 428 transitions, 8180 flow [2021-03-25 19:46:40,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 428 transitions, 7954 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 19:46:40,342 INFO L241 Difference]: Finished difference. Result has 73 places, 420 transitions, 8125 flow [2021-03-25 19:46:40,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5955, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=331, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=8125, PETRI_PLACES=73, PETRI_TRANSITIONS=420} [2021-03-25 19:46:40,342 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 33 predicate places. [2021-03-25 19:46:40,342 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:40,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 420 transitions, 8125 flow [2021-03-25 19:46:40,343 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 420 transitions, 8125 flow [2021-03-25 19:46:40,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 420 transitions, 8125 flow [2021-03-25 19:46:40,620 INFO L129 PetriNetUnfolder]: 2161/3677 cut-off events. [2021-03-25 19:46:40,620 INFO L130 PetriNetUnfolder]: For 23775/24050 co-relation queries the response was YES. [2021-03-25 19:46:40,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24131 conditions, 3677 events. 2161/3677 cut-off events. For 23775/24050 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 24608 event pairs, 221 based on Foata normal form. 192/3862 useless extension candidates. Maximal degree in co-relation 23905. Up to 2108 conditions per place. [2021-03-25 19:46:40,644 INFO L142 LiptonReduction]: Number of co-enabled transitions 782 [2021-03-25 19:46:40,848 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:40,848 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:40,849 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 507 [2021-03-25 19:46:40,849 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 420 transitions, 8125 flow [2021-03-25 19:46:40,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:40,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:40,849 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:40,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 19:46:40,849 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:40,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:40,850 INFO L82 PathProgramCache]: Analyzing trace with hash 468203887, now seen corresponding path program 4 times [2021-03-25 19:46:40,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:40,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349754465] [2021-03-25 19:46:40,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:40,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:40,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:40,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:40,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:40,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:40,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:46:40,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:40,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:40,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:40,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:40,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:40,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:40,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349754465] [2021-03-25 19:46:40,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:40,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 19:46:40,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730811568] [2021-03-25 19:46:40,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 19:46:40,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:40,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 19:46:40,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 19:46:40,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-25 19:46:40,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 420 transitions, 8125 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:40,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:40,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-25 19:46:40,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:41,447 INFO L129 PetriNetUnfolder]: 2365/4059 cut-off events. [2021-03-25 19:46:41,447 INFO L130 PetriNetUnfolder]: For 23078/23288 co-relation queries the response was YES. [2021-03-25 19:46:41,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27521 conditions, 4059 events. 2365/4059 cut-off events. For 23078/23288 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 27334 event pairs, 299 based on Foata normal form. 192/4249 useless extension candidates. Maximal degree in co-relation 27323. Up to 2025 conditions per place. [2021-03-25 19:46:41,468 INFO L132 encePairwiseOnDemand]: 62/98 looper letters, 99 selfloop transitions, 327 changer transitions 0/437 dead transitions. [2021-03-25 19:46:41,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 437 transitions, 8596 flow [2021-03-25 19:46:41,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 19:46:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 19:46:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 262 transitions. [2021-03-25 19:46:41,470 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.445578231292517 [2021-03-25 19:46:41,470 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 262 transitions. [2021-03-25 19:46:41,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 262 transitions. [2021-03-25 19:46:41,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:41,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 262 transitions. [2021-03-25 19:46:41,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:41,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 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) [2021-03-25 19:46:41,472 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 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) [2021-03-25 19:46:41,472 INFO L185 Difference]: Start difference. First operand has 73 places, 420 transitions, 8125 flow. Second operand 6 states and 262 transitions. [2021-03-25 19:46:41,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 437 transitions, 8596 flow [2021-03-25 19:46:41,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 437 transitions, 7717 flow, removed 220 selfloop flow, removed 4 redundant places. [2021-03-25 19:46:41,520 INFO L241 Difference]: Finished difference. Result has 77 places, 414 transitions, 7911 flow [2021-03-25 19:46:41,520 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5441, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=260, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=7911, PETRI_PLACES=77, PETRI_TRANSITIONS=414} [2021-03-25 19:46:41,520 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 37 predicate places. [2021-03-25 19:46:41,520 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:41,521 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 414 transitions, 7911 flow [2021-03-25 19:46:41,523 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 414 transitions, 7911 flow [2021-03-25 19:46:41,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 414 transitions, 7911 flow [2021-03-25 19:46:41,835 INFO L129 PetriNetUnfolder]: 2044/3626 cut-off events. [2021-03-25 19:46:41,835 INFO L130 PetriNetUnfolder]: For 27789/28256 co-relation queries the response was YES. [2021-03-25 19:46:41,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24087 conditions, 3626 events. 2044/3626 cut-off events. For 27789/28256 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 25117 event pairs, 233 based on Foata normal form. 166/3787 useless extension candidates. Maximal degree in co-relation 23879. Up to 1813 conditions per place. [2021-03-25 19:46:41,862 INFO L142 LiptonReduction]: Number of co-enabled transitions 728 [2021-03-25 19:46:41,964 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:41,964 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:41,964 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 444 [2021-03-25 19:46:41,964 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 414 transitions, 7911 flow [2021-03-25 19:46:41,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:41,965 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:41,965 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:41,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 19:46:41,965 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:41,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:41,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1475342847, now seen corresponding path program 1 times [2021-03-25 19:46:41,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:41,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113786007] [2021-03-25 19:46:41,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:41,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:41,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:41,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:41,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:41,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:41,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:41,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:41,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:41,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:41,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:41,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:41,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:41,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:41,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:41,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:41,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:41,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:41,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:42,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:42,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:42,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:42,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113786007] [2021-03-25 19:46:42,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:42,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:46:42,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686353011] [2021-03-25 19:46:42,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:46:42,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:42,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:46:42,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:46:42,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-25 19:46:42,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 414 transitions, 7911 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:42,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:42,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-25 19:46:42,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:42,714 INFO L129 PetriNetUnfolder]: 2554/4419 cut-off events. [2021-03-25 19:46:42,714 INFO L130 PetriNetUnfolder]: For 33099/33840 co-relation queries the response was YES. [2021-03-25 19:46:42,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34254 conditions, 4419 events. 2554/4419 cut-off events. For 33099/33840 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 30645 event pairs, 359 based on Foata normal form. 230/4643 useless extension candidates. Maximal degree in co-relation 34042. Up to 2418 conditions per place. [2021-03-25 19:46:42,740 INFO L132 encePairwiseOnDemand]: 64/98 looper letters, 129 selfloop transitions, 353 changer transitions 0/493 dead transitions. [2021-03-25 19:46:42,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 493 transitions, 10347 flow [2021-03-25 19:46:42,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 19:46:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 19:46:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 342 transitions. [2021-03-25 19:46:42,741 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4362244897959184 [2021-03-25 19:46:42,742 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 342 transitions. [2021-03-25 19:46:42,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 342 transitions. [2021-03-25 19:46:42,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:42,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 342 transitions. [2021-03-25 19:46:42,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.75) internal successors, (342), 8 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:42,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:42,744 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 98.0) internal successors, (882), 9 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:42,744 INFO L185 Difference]: Start difference. First operand has 77 places, 414 transitions, 7911 flow. Second operand 8 states and 342 transitions. [2021-03-25 19:46:42,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 493 transitions, 10347 flow [2021-03-25 19:46:42,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 493 transitions, 10194 flow, removed 46 selfloop flow, removed 2 redundant places. [2021-03-25 19:46:42,822 INFO L241 Difference]: Finished difference. Result has 84 places, 464 transitions, 9764 flow [2021-03-25 19:46:42,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=7772, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9764, PETRI_PLACES=84, PETRI_TRANSITIONS=464} [2021-03-25 19:46:42,823 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 44 predicate places. [2021-03-25 19:46:42,823 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:42,823 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 464 transitions, 9764 flow [2021-03-25 19:46:42,823 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 464 transitions, 9764 flow [2021-03-25 19:46:42,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 464 transitions, 9764 flow [2021-03-25 19:46:43,173 INFO L129 PetriNetUnfolder]: 2233/3925 cut-off events. [2021-03-25 19:46:43,173 INFO L130 PetriNetUnfolder]: For 32140/32397 co-relation queries the response was YES. [2021-03-25 19:46:43,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28319 conditions, 3925 events. 2233/3925 cut-off events. For 32140/32397 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 27452 event pairs, 186 based on Foata normal form. 166/4089 useless extension candidates. Maximal degree in co-relation 28113. Up to 1883 conditions per place. [2021-03-25 19:46:43,200 INFO L142 LiptonReduction]: Number of co-enabled transitions 778 [2021-03-25 19:46:43,404 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:43,405 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:43,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 582 [2021-03-25 19:46:43,405 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 464 transitions, 9764 flow [2021-03-25 19:46:43,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:43,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:43,406 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] [2021-03-25 19:46:43,406 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 19:46:43,406 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:43,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:43,406 INFO L82 PathProgramCache]: Analyzing trace with hash -283688375, now seen corresponding path program 5 times [2021-03-25 19:46:43,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:43,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346588947] [2021-03-25 19:46:43,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:43,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:43,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:43,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:43,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:43,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:43,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:46:43,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:43,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:43,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:43,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:43,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:43,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:43,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:43,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:43,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:43,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:43,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346588947] [2021-03-25 19:46:43,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:43,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:46:43,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169923941] [2021-03-25 19:46:43,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:46:43,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:43,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:46:43,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:46:43,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 98 [2021-03-25 19:46:43,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 464 transitions, 9764 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:43,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:43,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 98 [2021-03-25 19:46:43,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:44,303 INFO L129 PetriNetUnfolder]: 2720/4857 cut-off events. [2021-03-25 19:46:44,304 INFO L130 PetriNetUnfolder]: For 40407/40617 co-relation queries the response was YES. [2021-03-25 19:46:44,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38262 conditions, 4857 events. 2720/4857 cut-off events. For 40407/40617 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 35481 event pairs, 75 based on Foata normal form. 96/4951 useless extension candidates. Maximal degree in co-relation 37994. Up to 2135 conditions per place. [2021-03-25 19:46:44,334 INFO L132 encePairwiseOnDemand]: 62/98 looper letters, 56 selfloop transitions, 502 changer transitions 0/569 dead transitions. [2021-03-25 19:46:44,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 569 transitions, 12245 flow [2021-03-25 19:46:44,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 19:46:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 19:46:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 306 transitions. [2021-03-25 19:46:44,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.446064139941691 [2021-03-25 19:46:44,336 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 306 transitions. [2021-03-25 19:46:44,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 306 transitions. [2021-03-25 19:46:44,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:44,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 306 transitions. [2021-03-25 19:46:44,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 43.714285714285715) internal successors, (306), 7 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:44,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:44,338 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 98.0) internal successors, (784), 8 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:44,338 INFO L185 Difference]: Start difference. First operand has 84 places, 464 transitions, 9764 flow. Second operand 7 states and 306 transitions. [2021-03-25 19:46:44,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 569 transitions, 12245 flow [2021-03-25 19:46:44,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 569 transitions, 11748 flow, removed 51 selfloop flow, removed 3 redundant places. [2021-03-25 19:46:44,422 INFO L241 Difference]: Finished difference. Result has 90 places, 543 transitions, 12128 flow [2021-03-25 19:46:44,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=9318, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=433, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=12128, PETRI_PLACES=90, PETRI_TRANSITIONS=543} [2021-03-25 19:46:44,423 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 50 predicate places. [2021-03-25 19:46:44,423 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:44,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 543 transitions, 12128 flow [2021-03-25 19:46:44,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 543 transitions, 12128 flow [2021-03-25 19:46:44,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 543 transitions, 12128 flow [2021-03-25 19:46:44,892 INFO L129 PetriNetUnfolder]: 2398/4357 cut-off events. [2021-03-25 19:46:44,893 INFO L130 PetriNetUnfolder]: For 48465/48782 co-relation queries the response was YES. [2021-03-25 19:46:44,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35231 conditions, 4357 events. 2398/4357 cut-off events. For 48465/48782 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 32071 event pairs, 102 based on Foata normal form. 206/4560 useless extension candidates. Maximal degree in co-relation 34953. Up to 1881 conditions per place. [2021-03-25 19:46:44,940 INFO L142 LiptonReduction]: Number of co-enabled transitions 958 [2021-03-25 19:46:45,419 INFO L154 LiptonReduction]: Checked pairs total: 84 [2021-03-25 19:46:45,419 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 19:46:45,419 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 996 [2021-03-25 19:46:45,420 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 542 transitions, 12121 flow [2021-03-25 19:46:45,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:45,420 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:45,420 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] [2021-03-25 19:46:45,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 19:46:45,420 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:45,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:45,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1187984549, now seen corresponding path program 1 times [2021-03-25 19:46:45,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:45,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142584189] [2021-03-25 19:46:45,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:45,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:45,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:45,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:45,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:45,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:45,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:45,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:45,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:45,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:45,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:45,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:45,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:45,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142584189] [2021-03-25 19:46:45,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:45,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 19:46:45,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642474665] [2021-03-25 19:46:45,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 19:46:45,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:45,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 19:46:45,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 19:46:45,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 99 [2021-03-25 19:46:45,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 542 transitions, 12121 flow. Second operand has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:45,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:45,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 99 [2021-03-25 19:46:45,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:46,441 INFO L129 PetriNetUnfolder]: 2747/4976 cut-off events. [2021-03-25 19:46:46,441 INFO L130 PetriNetUnfolder]: For 58401/58999 co-relation queries the response was YES. [2021-03-25 19:46:46,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45027 conditions, 4976 events. 2747/4976 cut-off events. For 58401/58999 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 37287 event pairs, 175 based on Foata normal form. 228/5200 useless extension candidates. Maximal degree in co-relation 44752. Up to 2741 conditions per place. [2021-03-25 19:46:46,475 INFO L132 encePairwiseOnDemand]: 66/99 looper letters, 177 selfloop transitions, 413 changer transitions 0/601 dead transitions. [2021-03-25 19:46:46,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 601 transitions, 14610 flow [2021-03-25 19:46:46,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 19:46:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 19:46:46,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 258 transitions. [2021-03-25 19:46:46,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43434343434343436 [2021-03-25 19:46:46,476 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 258 transitions. [2021-03-25 19:46:46,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 258 transitions. [2021-03-25 19:46:46,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:46,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 258 transitions. [2021-03-25 19:46:46,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 43.0) internal successors, (258), 6 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:46,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 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) [2021-03-25 19:46:46,478 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 99.0) internal successors, (693), 7 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) [2021-03-25 19:46:46,478 INFO L185 Difference]: Start difference. First operand has 90 places, 542 transitions, 12121 flow. Second operand 6 states and 258 transitions. [2021-03-25 19:46:46,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 601 transitions, 14610 flow [2021-03-25 19:46:46,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 601 transitions, 14004 flow, removed 78 selfloop flow, removed 3 redundant places. [2021-03-25 19:46:46,643 INFO L241 Difference]: Finished difference. Result has 92 places, 583 transitions, 13404 flow [2021-03-25 19:46:46,643 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=11558, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=371, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=13404, PETRI_PLACES=92, PETRI_TRANSITIONS=583} [2021-03-25 19:46:46,644 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 52 predicate places. [2021-03-25 19:46:46,644 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:46,644 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 583 transitions, 13404 flow [2021-03-25 19:46:46,644 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 583 transitions, 13404 flow [2021-03-25 19:46:46,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 583 transitions, 13404 flow [2021-03-25 19:46:47,144 INFO L129 PetriNetUnfolder]: 2418/4426 cut-off events. [2021-03-25 19:46:47,144 INFO L130 PetriNetUnfolder]: For 56582/57073 co-relation queries the response was YES. [2021-03-25 19:46:47,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35518 conditions, 4426 events. 2418/4426 cut-off events. For 56582/57073 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 32991 event pairs, 100 based on Foata normal form. 239/4662 useless extension candidates. Maximal degree in co-relation 35251. Up to 1835 conditions per place. [2021-03-25 19:46:47,187 INFO L142 LiptonReduction]: Number of co-enabled transitions 986 [2021-03-25 19:46:47,353 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:47,353 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:47,353 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 709 [2021-03-25 19:46:47,354 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 583 transitions, 13404 flow [2021-03-25 19:46:47,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 32.0) internal successors, (192), 6 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:47,354 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:47,354 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:47,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 19:46:47,354 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:47,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:47,355 INFO L82 PathProgramCache]: Analyzing trace with hash -535542841, now seen corresponding path program 1 times [2021-03-25 19:46:47,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:47,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018545727] [2021-03-25 19:46:47,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:47,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:47,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:47,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:47,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:47,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:47,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:47,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:47,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:47,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:47,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:47,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:47,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:47,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:47,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:46:47,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:47,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:47,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:47,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:47,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018545727] [2021-03-25 19:46:47,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:47,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:46:47,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231869491] [2021-03-25 19:46:47,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:46:47,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:47,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:46:47,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:46:47,404 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 99 [2021-03-25 19:46:47,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 583 transitions, 13404 flow. Second operand has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:47,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:47,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 99 [2021-03-25 19:46:47,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:48,486 INFO L129 PetriNetUnfolder]: 2776/5102 cut-off events. [2021-03-25 19:46:48,486 INFO L130 PetriNetUnfolder]: For 57531/58152 co-relation queries the response was YES. [2021-03-25 19:46:48,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44738 conditions, 5102 events. 2776/5102 cut-off events. For 57531/58152 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 38894 event pairs, 61 based on Foata normal form. 106/5204 useless extension candidates. Maximal degree in co-relation 44434. Up to 1906 conditions per place. [2021-03-25 19:46:48,519 INFO L132 encePairwiseOnDemand]: 64/99 looper letters, 26 selfloop transitions, 637 changer transitions 2/676 dead transitions. [2021-03-25 19:46:48,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 676 transitions, 15812 flow [2021-03-25 19:46:48,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 19:46:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 19:46:48,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 299 transitions. [2021-03-25 19:46:48,521 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4314574314574315 [2021-03-25 19:46:48,521 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 299 transitions. [2021-03-25 19:46:48,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 299 transitions. [2021-03-25 19:46:48,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:48,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 299 transitions. [2021-03-25 19:46:48,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 42.714285714285715) internal successors, (299), 7 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:48,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 99.0) internal successors, (792), 8 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:48,523 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 99.0) internal successors, (792), 8 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:48,523 INFO L185 Difference]: Start difference. First operand has 92 places, 583 transitions, 13404 flow. Second operand 7 states and 299 transitions. [2021-03-25 19:46:48,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 676 transitions, 15812 flow [2021-03-25 19:46:48,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 676 transitions, 15376 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 19:46:48,648 INFO L241 Difference]: Finished difference. Result has 96 places, 671 transitions, 15852 flow [2021-03-25 19:46:48,648 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=12968, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=562, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=15852, PETRI_PLACES=96, PETRI_TRANSITIONS=671} [2021-03-25 19:46:48,648 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 56 predicate places. [2021-03-25 19:46:48,648 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:48,648 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 671 transitions, 15852 flow [2021-03-25 19:46:48,649 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 671 transitions, 15852 flow [2021-03-25 19:46:48,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 671 transitions, 15852 flow [2021-03-25 19:46:49,198 INFO L129 PetriNetUnfolder]: 2447/4577 cut-off events. [2021-03-25 19:46:49,199 INFO L130 PetriNetUnfolder]: For 68669/69586 co-relation queries the response was YES. [2021-03-25 19:46:49,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40187 conditions, 4577 events. 2447/4577 cut-off events. For 68669/69586 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 35104 event pairs, 65 based on Foata normal form. 234/4804 useless extension candidates. Maximal degree in co-relation 39882. Up to 1910 conditions per place. [2021-03-25 19:46:49,244 INFO L142 LiptonReduction]: Number of co-enabled transitions 1182 [2021-03-25 19:46:49,934 INFO L154 LiptonReduction]: Checked pairs total: 162 [2021-03-25 19:46:49,934 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 19:46:49,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1286 [2021-03-25 19:46:49,935 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 669 transitions, 15819 flow [2021-03-25 19:46:49,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:49,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:49,935 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] [2021-03-25 19:46:49,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 19:46:49,935 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:49,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:49,936 INFO L82 PathProgramCache]: Analyzing trace with hash -434613581, now seen corresponding path program 2 times [2021-03-25 19:46:49,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:49,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702959891] [2021-03-25 19:46:49,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:49,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:49,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:49,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:49,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:49,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:49,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:49,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:49,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:49,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:49,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:49,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:49,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:49,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:49,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:49,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:49,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:49,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:49,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:49,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702959891] [2021-03-25 19:46:49,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:49,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:46:49,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268624866] [2021-03-25 19:46:49,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:46:49,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:49,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:46:49,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:46:49,976 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 100 [2021-03-25 19:46:49,976 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 669 transitions, 15819 flow. Second operand has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:49,976 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:49,976 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 100 [2021-03-25 19:46:49,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:51,219 INFO L129 PetriNetUnfolder]: 2748/5098 cut-off events. [2021-03-25 19:46:51,219 INFO L130 PetriNetUnfolder]: For 67356/67649 co-relation queries the response was YES. [2021-03-25 19:46:51,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49043 conditions, 5098 events. 2748/5098 cut-off events. For 67356/67649 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 39021 event pairs, 95 based on Foata normal form. 74/5169 useless extension candidates. Maximal degree in co-relation 48721. Up to 1911 conditions per place. [2021-03-25 19:46:51,255 INFO L132 encePairwiseOnDemand]: 65/100 looper letters, 185 selfloop transitions, 598 changer transitions 0/794 dead transitions. [2021-03-25 19:46:51,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 794 transitions, 20207 flow [2021-03-25 19:46:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 19:46:51,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 19:46:51,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 309 transitions. [2021-03-25 19:46:51,264 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44142857142857145 [2021-03-25 19:46:51,265 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 309 transitions. [2021-03-25 19:46:51,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 309 transitions. [2021-03-25 19:46:51,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:51,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 309 transitions. [2021-03-25 19:46:51,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 44.142857142857146) internal successors, (309), 7 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:51,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 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) [2021-03-25 19:46:51,267 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 100.0) internal successors, (800), 8 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) [2021-03-25 19:46:51,267 INFO L185 Difference]: Start difference. First operand has 96 places, 669 transitions, 15819 flow. Second operand 7 states and 309 transitions. [2021-03-25 19:46:51,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 794 transitions, 20207 flow [2021-03-25 19:46:51,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 794 transitions, 18868 flow, removed 149 selfloop flow, removed 3 redundant places. [2021-03-25 19:46:51,500 INFO L241 Difference]: Finished difference. Result has 102 places, 790 transitions, 19377 flow [2021-03-25 19:46:51,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=14700, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=477, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=19377, PETRI_PLACES=102, PETRI_TRANSITIONS=790} [2021-03-25 19:46:51,501 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 62 predicate places. [2021-03-25 19:46:51,501 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:51,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 790 transitions, 19377 flow [2021-03-25 19:46:51,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 790 transitions, 19377 flow [2021-03-25 19:46:51,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 790 transitions, 19377 flow [2021-03-25 19:46:52,126 INFO L129 PetriNetUnfolder]: 2420/4561 cut-off events. [2021-03-25 19:46:52,126 INFO L130 PetriNetUnfolder]: For 60195/60859 co-relation queries the response was YES. [2021-03-25 19:46:52,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41350 conditions, 4561 events. 2420/4561 cut-off events. For 60195/60859 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 35327 event pairs, 30 based on Foata normal form. 228/4785 useless extension candidates. Maximal degree in co-relation 41018. Up to 1914 conditions per place. [2021-03-25 19:46:52,163 INFO L142 LiptonReduction]: Number of co-enabled transitions 1298 [2021-03-25 19:46:53,590 INFO L154 LiptonReduction]: Checked pairs total: 252 [2021-03-25 19:46:53,591 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 19:46:53,591 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2090 [2021-03-25 19:46:53,592 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 787 transitions, 19325 flow [2021-03-25 19:46:53,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.571428571428573) internal successors, (221), 7 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:53,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:53,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:53,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 19:46:53,594 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:53,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:53,594 INFO L82 PathProgramCache]: Analyzing trace with hash -954809997, now seen corresponding path program 3 times [2021-03-25 19:46:53,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:53,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183055987] [2021-03-25 19:46:53,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:53,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:53,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:53,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:53,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:53,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:53,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:53,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:46:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:53,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:53,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:53,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:53,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183055987] [2021-03-25 19:46:53,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:53,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:46:53,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427280989] [2021-03-25 19:46:53,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:46:53,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:53,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:46:53,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:46:53,651 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:46:53,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 787 transitions, 19325 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:53,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:53,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:46:53,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:55,194 INFO L129 PetriNetUnfolder]: 2653/5098 cut-off events. [2021-03-25 19:46:55,194 INFO L130 PetriNetUnfolder]: For 68266/68608 co-relation queries the response was YES. [2021-03-25 19:46:55,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50487 conditions, 5098 events. 2653/5098 cut-off events. For 68266/68608 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 40655 event pairs, 13 based on Foata normal form. 321/5415 useless extension candidates. Maximal degree in co-relation 50181. Up to 1894 conditions per place. [2021-03-25 19:46:55,227 INFO L132 encePairwiseOnDemand]: 64/101 looper letters, 41 selfloop transitions, 820 changer transitions 19/891 dead transitions. [2021-03-25 19:46:55,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 891 transitions, 23146 flow [2021-03-25 19:46:55,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:46:55,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:46:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 389 transitions. [2021-03-25 19:46:55,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42794279427942794 [2021-03-25 19:46:55,228 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 389 transitions. [2021-03-25 19:46:55,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 389 transitions. [2021-03-25 19:46:55,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:55,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 389 transitions. [2021-03-25 19:46:55,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 43.22222222222222) internal successors, (389), 9 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:55,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:55,231 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:55,231 INFO L185 Difference]: Start difference. First operand has 102 places, 787 transitions, 19325 flow. Second operand 9 states and 389 transitions. [2021-03-25 19:46:55,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 891 transitions, 23146 flow [2021-03-25 19:46:55,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 891 transitions, 22719 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-03-25 19:46:55,441 INFO L241 Difference]: Finished difference. Result has 107 places, 854 transitions, 21783 flow [2021-03-25 19:46:55,441 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=18517, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=767, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=715, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=21783, PETRI_PLACES=107, PETRI_TRANSITIONS=854} [2021-03-25 19:46:55,441 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 67 predicate places. [2021-03-25 19:46:55,441 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:55,441 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 854 transitions, 21783 flow [2021-03-25 19:46:55,442 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 854 transitions, 21783 flow [2021-03-25 19:46:55,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 854 transitions, 21783 flow [2021-03-25 19:46:56,132 INFO L129 PetriNetUnfolder]: 2289/4474 cut-off events. [2021-03-25 19:46:56,132 INFO L130 PetriNetUnfolder]: For 64248/64865 co-relation queries the response was YES. [2021-03-25 19:46:56,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42883 conditions, 4474 events. 2289/4474 cut-off events. For 64248/64865 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 36141 event pairs, 24 based on Foata normal form. 265/4736 useless extension candidates. Maximal degree in co-relation 42593. Up to 1866 conditions per place. [2021-03-25 19:46:56,169 INFO L142 LiptonReduction]: Number of co-enabled transitions 1384 [2021-03-25 19:46:56,334 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:56,334 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:56,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 893 [2021-03-25 19:46:56,335 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 854 transitions, 21783 flow [2021-03-25 19:46:56,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:56,335 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:56,335 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] [2021-03-25 19:46:56,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 19:46:56,335 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:56,335 INFO L82 PathProgramCache]: Analyzing trace with hash -849194149, now seen corresponding path program 1 times [2021-03-25 19:46:56,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:56,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105750005] [2021-03-25 19:46:56,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:56,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:56,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:56,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:56,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:56,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:56,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:56,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:46:56,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:56,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:56,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:56,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:56,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105750005] [2021-03-25 19:46:56,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:56,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:46:56,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551123562] [2021-03-25 19:46:56,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:46:56,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:56,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:46:56,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:46:56,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:46:56,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 854 transitions, 21783 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:56,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:56,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:46:56,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:46:57,908 INFO L129 PetriNetUnfolder]: 2528/5001 cut-off events. [2021-03-25 19:46:57,908 INFO L130 PetriNetUnfolder]: For 67996/68350 co-relation queries the response was YES. [2021-03-25 19:46:57,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51998 conditions, 5001 events. 2528/5001 cut-off events. For 67996/68350 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 41062 event pairs, 10 based on Foata normal form. 235/5232 useless extension candidates. Maximal degree in co-relation 51701. Up to 1803 conditions per place. [2021-03-25 19:46:57,943 INFO L132 encePairwiseOnDemand]: 66/101 looper letters, 41 selfloop transitions, 886 changer transitions 1/939 dead transitions. [2021-03-25 19:46:57,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 939 transitions, 25071 flow [2021-03-25 19:46:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:46:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:46:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 379 transitions. [2021-03-25 19:46:57,945 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41694169416941695 [2021-03-25 19:46:57,945 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 379 transitions. [2021-03-25 19:46:57,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 379 transitions. [2021-03-25 19:46:57,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:46:57,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 379 transitions. [2021-03-25 19:46:57,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.111111111111114) internal successors, (379), 9 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:57,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:57,948 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:57,948 INFO L185 Difference]: Start difference. First operand has 107 places, 854 transitions, 21783 flow. Second operand 9 states and 379 transitions. [2021-03-25 19:46:57,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 939 transitions, 25071 flow [2021-03-25 19:46:58,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 939 transitions, 23844 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-25 19:46:58,183 INFO L241 Difference]: Finished difference. Result has 110 places, 920 transitions, 23528 flow [2021-03-25 19:46:58,184 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=20508, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=845, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=811, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=23528, PETRI_PLACES=110, PETRI_TRANSITIONS=920} [2021-03-25 19:46:58,184 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 70 predicate places. [2021-03-25 19:46:58,184 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:46:58,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 920 transitions, 23528 flow [2021-03-25 19:46:58,185 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 920 transitions, 23528 flow [2021-03-25 19:46:58,194 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 920 transitions, 23528 flow [2021-03-25 19:46:58,952 INFO L129 PetriNetUnfolder]: 2192/4443 cut-off events. [2021-03-25 19:46:58,953 INFO L130 PetriNetUnfolder]: For 70174/71195 co-relation queries the response was YES. [2021-03-25 19:46:58,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42980 conditions, 4443 events. 2192/4443 cut-off events. For 70174/71195 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 36807 event pairs, 18 based on Foata normal form. 277/4714 useless extension candidates. Maximal degree in co-relation 42666. Up to 1803 conditions per place. [2021-03-25 19:46:58,990 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-25 19:46:59,166 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:46:59,166 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:46:59,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 982 [2021-03-25 19:46:59,166 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 920 transitions, 23528 flow [2021-03-25 19:46:59,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:59,167 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:46:59,167 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:46:59,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 19:46:59,167 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:46:59,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:46:59,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1661751144, now seen corresponding path program 1 times [2021-03-25 19:46:59,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:46:59,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325604909] [2021-03-25 19:46:59,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:46:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:46:59,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:46:59,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:59,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:59,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:59,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:59,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:59,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:46:59,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:59,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:46:59,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:46:59,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:46:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:46:59,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325604909] [2021-03-25 19:46:59,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:46:59,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:46:59,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888372389] [2021-03-25 19:46:59,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:46:59,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:46:59,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:46:59,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:46:59,209 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:46:59,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 920 transitions, 23528 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:46:59,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:46:59,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:46:59,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:00,816 INFO L129 PetriNetUnfolder]: 2249/4749 cut-off events. [2021-03-25 19:47:00,817 INFO L130 PetriNetUnfolder]: For 79691/80045 co-relation queries the response was YES. [2021-03-25 19:47:00,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49976 conditions, 4749 events. 2249/4749 cut-off events. For 79691/80045 co-relation queries the response was YES. Maximal size of possible extension queue 586. Compared 41434 event pairs, 6 based on Foata normal form. 466/5212 useless extension candidates. Maximal degree in co-relation 49701. Up to 1682 conditions per place. [2021-03-25 19:47:00,849 INFO L132 encePairwiseOnDemand]: 66/101 looper letters, 41 selfloop transitions, 954 changer transitions 19/1025 dead transitions. [2021-03-25 19:47:00,849 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 1025 transitions, 27750 flow [2021-03-25 19:47:00,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 386 transitions. [2021-03-25 19:47:00,851 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42464246424642466 [2021-03-25 19:47:00,851 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 386 transitions. [2021-03-25 19:47:00,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 386 transitions. [2021-03-25 19:47:00,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:00,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 386 transitions. [2021-03-25 19:47:00,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.888888888888886) internal successors, (386), 9 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:00,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:00,853 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:00,853 INFO L185 Difference]: Start difference. First operand has 110 places, 920 transitions, 23528 flow. Second operand 9 states and 386 transitions. [2021-03-25 19:47:00,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 1025 transitions, 27750 flow [2021-03-25 19:47:01,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 1025 transitions, 27283 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-25 19:47:01,108 INFO L241 Difference]: Finished difference. Result has 114 places, 988 transitions, 26602 flow [2021-03-25 19:47:01,109 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=21661, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=870, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=823, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=26602, PETRI_PLACES=114, PETRI_TRANSITIONS=988} [2021-03-25 19:47:01,109 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 74 predicate places. [2021-03-25 19:47:01,110 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:01,110 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 988 transitions, 26602 flow [2021-03-25 19:47:01,110 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 988 transitions, 26602 flow [2021-03-25 19:47:01,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 988 transitions, 26602 flow [2021-03-25 19:47:01,976 INFO L129 PetriNetUnfolder]: 1850/4080 cut-off events. [2021-03-25 19:47:01,976 INFO L130 PetriNetUnfolder]: For 68942/69674 co-relation queries the response was YES. [2021-03-25 19:47:01,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41490 conditions, 4080 events. 1850/4080 cut-off events. For 68942/69674 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 36175 event pairs, 12 based on Foata normal form. 240/4315 useless extension candidates. Maximal degree in co-relation 41198. Up to 1553 conditions per place. [2021-03-25 19:47:02,013 INFO L142 LiptonReduction]: Number of co-enabled transitions 1416 [2021-03-25 19:47:02,183 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:02,183 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:02,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1073 [2021-03-25 19:47:02,183 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 988 transitions, 26602 flow [2021-03-25 19:47:02,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:02,183 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:02,184 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] [2021-03-25 19:47:02,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 19:47:02,184 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:02,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:02,184 INFO L82 PathProgramCache]: Analyzing trace with hash 105796612, now seen corresponding path program 2 times [2021-03-25 19:47:02,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:02,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002127441] [2021-03-25 19:47:02,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:02,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:02,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:02,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:02,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:02,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:02,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:02,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:47:02,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:02,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:02,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:02,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:02,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002127441] [2021-03-25 19:47:02,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:02,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:47:02,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482015655] [2021-03-25 19:47:02,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:47:02,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:02,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:47:02,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:47:02,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:02,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 988 transitions, 26602 flow. Second operand has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:02,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:02,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:02,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:03,950 INFO L129 PetriNetUnfolder]: 1871/4195 cut-off events. [2021-03-25 19:47:03,950 INFO L130 PetriNetUnfolder]: For 77413/78822 co-relation queries the response was YES. [2021-03-25 19:47:03,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46768 conditions, 4195 events. 1871/4195 cut-off events. For 77413/78822 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 38193 event pairs, 6 based on Foata normal form. 469/4659 useless extension candidates. Maximal degree in co-relation 46566. Up to 1508 conditions per place. [2021-03-25 19:47:03,981 INFO L132 encePairwiseOnDemand]: 66/101 looper letters, 41 selfloop transitions, 861 changer transitions 63/976 dead transitions. [2021-03-25 19:47:03,981 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 976 transitions, 28169 flow [2021-03-25 19:47:03,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:03,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:03,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 386 transitions. [2021-03-25 19:47:03,982 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42464246424642466 [2021-03-25 19:47:03,983 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 386 transitions. [2021-03-25 19:47:03,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 386 transitions. [2021-03-25 19:47:03,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:03,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 386 transitions. [2021-03-25 19:47:03,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.888888888888886) internal successors, (386), 9 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:03,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:03,985 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:03,985 INFO L185 Difference]: Start difference. First operand has 114 places, 988 transitions, 26602 flow. Second operand 9 states and 386 transitions. [2021-03-25 19:47:03,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 976 transitions, 28169 flow [2021-03-25 19:47:04,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 976 transitions, 27550 flow, removed 70 selfloop flow, removed 5 redundant places. [2021-03-25 19:47:04,252 INFO L241 Difference]: Finished difference. Result has 117 places, 895 transitions, 25986 flow [2021-03-25 19:47:04,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=24085, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=909, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=822, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=25986, PETRI_PLACES=117, PETRI_TRANSITIONS=895} [2021-03-25 19:47:04,253 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 77 predicate places. [2021-03-25 19:47:04,253 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:04,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 895 transitions, 25986 flow [2021-03-25 19:47:04,253 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 895 transitions, 25986 flow [2021-03-25 19:47:04,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 895 transitions, 25986 flow [2021-03-25 19:47:04,867 INFO L129 PetriNetUnfolder]: 1343/3115 cut-off events. [2021-03-25 19:47:04,867 INFO L130 PetriNetUnfolder]: For 67318/68127 co-relation queries the response was YES. [2021-03-25 19:47:04,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34448 conditions, 3115 events. 1343/3115 cut-off events. For 67318/68127 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 27519 event pairs, 6 based on Foata normal form. 139/3249 useless extension candidates. Maximal degree in co-relation 34249. Up to 1189 conditions per place. [2021-03-25 19:47:04,894 INFO L142 LiptonReduction]: Number of co-enabled transitions 944 [2021-03-25 19:47:05,080 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:05,080 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:05,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 827 [2021-03-25 19:47:05,081 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 895 transitions, 25986 flow [2021-03-25 19:47:05,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.375) internal successors, (251), 8 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:05,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:05,081 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] [2021-03-25 19:47:05,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 19:47:05,081 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:05,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:05,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1128237280, now seen corresponding path program 1 times [2021-03-25 19:47:05,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:05,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013962838] [2021-03-25 19:47:05,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:05,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:05,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:05,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:05,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:05,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:05,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:05,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:05,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:05,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:05,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:05,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:05,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:05,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:05,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:05,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013962838] [2021-03-25 19:47:05,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:05,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:47:05,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208039016] [2021-03-25 19:47:05,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:47:05,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:05,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:47:05,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:47:05,127 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:05,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 895 transitions, 25986 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:05,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:05,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:05,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:06,446 INFO L129 PetriNetUnfolder]: 1533/3507 cut-off events. [2021-03-25 19:47:06,447 INFO L130 PetriNetUnfolder]: For 73983/74385 co-relation queries the response was YES. [2021-03-25 19:47:06,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42024 conditions, 3507 events. 1533/3507 cut-off events. For 73983/74385 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 31154 event pairs, 26 based on Foata normal form. 142/3647 useless extension candidates. Maximal degree in co-relation 41823. Up to 1239 conditions per place. [2021-03-25 19:47:06,474 INFO L132 encePairwiseOnDemand]: 67/101 looper letters, 235 selfloop transitions, 704 changer transitions 0/950 dead transitions. [2021-03-25 19:47:06,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 950 transitions, 29280 flow [2021-03-25 19:47:06,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 376 transitions. [2021-03-25 19:47:06,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4136413641364136 [2021-03-25 19:47:06,476 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 376 transitions. [2021-03-25 19:47:06,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 376 transitions. [2021-03-25 19:47:06,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:06,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 376 transitions. [2021-03-25 19:47:06,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.77777777777778) internal successors, (376), 9 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:06,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:06,477 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:06,477 INFO L185 Difference]: Start difference. First operand has 117 places, 895 transitions, 25986 flow. Second operand 9 states and 376 transitions. [2021-03-25 19:47:06,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 950 transitions, 29280 flow [2021-03-25 19:47:06,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 950 transitions, 28910 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-25 19:47:06,710 INFO L241 Difference]: Finished difference. Result has 121 places, 931 transitions, 28189 flow [2021-03-25 19:47:06,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=25626, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=895, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=668, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=28189, PETRI_PLACES=121, PETRI_TRANSITIONS=931} [2021-03-25 19:47:06,711 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 81 predicate places. [2021-03-25 19:47:06,711 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:06,711 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 931 transitions, 28189 flow [2021-03-25 19:47:06,711 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 931 transitions, 28189 flow [2021-03-25 19:47:06,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 931 transitions, 28189 flow [2021-03-25 19:47:07,403 INFO L129 PetriNetUnfolder]: 1383/3218 cut-off events. [2021-03-25 19:47:07,403 INFO L130 PetriNetUnfolder]: For 73274/73562 co-relation queries the response was YES. [2021-03-25 19:47:07,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36582 conditions, 3218 events. 1383/3218 cut-off events. For 73274/73562 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 28669 event pairs, 6 based on Foata normal form. 132/3349 useless extension candidates. Maximal degree in co-relation 36375. Up to 1239 conditions per place. [2021-03-25 19:47:07,426 INFO L142 LiptonReduction]: Number of co-enabled transitions 962 [2021-03-25 19:47:07,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:07,594 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:07,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 884 [2021-03-25 19:47:07,595 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 931 transitions, 28189 flow [2021-03-25 19:47:07,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:07,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:07,595 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] [2021-03-25 19:47:07,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 19:47:07,596 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:07,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:07,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1079624539, now seen corresponding path program 2 times [2021-03-25 19:47:07,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:07,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29864922] [2021-03-25 19:47:07,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:07,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:07,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:07,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:07,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:07,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:07,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:07,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:07,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:07,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:07,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:07,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:07,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:07,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29864922] [2021-03-25 19:47:07,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:07,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:47:07,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683548044] [2021-03-25 19:47:07,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:47:07,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:07,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:47:07,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:47:07,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:07,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 931 transitions, 28189 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:07,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:07,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:07,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:09,087 INFO L129 PetriNetUnfolder]: 1488/3533 cut-off events. [2021-03-25 19:47:09,087 INFO L130 PetriNetUnfolder]: For 81785/82198 co-relation queries the response was YES. [2021-03-25 19:47:09,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43372 conditions, 3533 events. 1488/3533 cut-off events. For 81785/82198 co-relation queries the response was YES. Maximal size of possible extension queue 508. Compared 32308 event pairs, 77 based on Foata normal form. 244/3775 useless extension candidates. Maximal degree in co-relation 43172. Up to 1782 conditions per place. [2021-03-25 19:47:09,112 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 395 selfloop transitions, 581 changer transitions 13/1000 dead transitions. [2021-03-25 19:47:09,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 1000 transitions, 32006 flow [2021-03-25 19:47:09,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 19:47:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 19:47:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 340 transitions. [2021-03-25 19:47:09,113 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4207920792079208 [2021-03-25 19:47:09,113 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 340 transitions. [2021-03-25 19:47:09,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 340 transitions. [2021-03-25 19:47:09,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:09,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 340 transitions. [2021-03-25 19:47:09,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.5) internal successors, (340), 8 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:09,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:47:09,114 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:47:09,114 INFO L185 Difference]: Start difference. First operand has 121 places, 931 transitions, 28189 flow. Second operand 8 states and 340 transitions. [2021-03-25 19:47:09,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 1000 transitions, 32006 flow [2021-03-25 19:47:09,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 1000 transitions, 30498 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-25 19:47:09,390 INFO L241 Difference]: Finished difference. Result has 122 places, 963 transitions, 28848 flow [2021-03-25 19:47:09,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=25993, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=909, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=517, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28848, PETRI_PLACES=122, PETRI_TRANSITIONS=963} [2021-03-25 19:47:09,391 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 82 predicate places. [2021-03-25 19:47:09,391 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:09,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 963 transitions, 28848 flow [2021-03-25 19:47:09,391 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 963 transitions, 28848 flow [2021-03-25 19:47:09,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 963 transitions, 28848 flow [2021-03-25 19:47:10,069 INFO L129 PetriNetUnfolder]: 1329/3188 cut-off events. [2021-03-25 19:47:10,069 INFO L130 PetriNetUnfolder]: For 71193/71934 co-relation queries the response was YES. [2021-03-25 19:47:10,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35673 conditions, 3188 events. 1329/3188 cut-off events. For 71193/71934 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 28889 event pairs, 6 based on Foata normal form. 128/3311 useless extension candidates. Maximal degree in co-relation 35472. Up to 1198 conditions per place. [2021-03-25 19:47:10,094 INFO L142 LiptonReduction]: Number of co-enabled transitions 952 [2021-03-25 19:47:10,318 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:10,318 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:10,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 928 [2021-03-25 19:47:10,319 INFO L480 AbstractCegarLoop]: Abstraction has has 122 places, 963 transitions, 28848 flow [2021-03-25 19:47:10,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:10,319 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:10,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:10,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 19:47:10,319 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:10,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:10,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1456267072, now seen corresponding path program 2 times [2021-03-25 19:47:10,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:10,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18043372] [2021-03-25 19:47:10,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:10,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:10,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:10,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:10,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:10,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:10,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:10,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:10,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:10,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:10,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:10,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:10,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:10,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:10,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:10,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18043372] [2021-03-25 19:47:10,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:10,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:47:10,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113454000] [2021-03-25 19:47:10,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:47:10,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:10,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:47:10,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:47:10,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:10,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 963 transitions, 28848 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:10,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:10,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:10,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:11,885 INFO L129 PetriNetUnfolder]: 1474/3540 cut-off events. [2021-03-25 19:47:11,886 INFO L130 PetriNetUnfolder]: For 81534/81960 co-relation queries the response was YES. [2021-03-25 19:47:11,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42901 conditions, 3540 events. 1474/3540 cut-off events. For 81534/81960 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 32684 event pairs, 26 based on Foata normal form. 152/3690 useless extension candidates. Maximal degree in co-relation 42699. Up to 1281 conditions per place. [2021-03-25 19:47:11,910 INFO L132 encePairwiseOnDemand]: 67/101 looper letters, 235 selfloop transitions, 781 changer transitions 7/1034 dead transitions. [2021-03-25 19:47:11,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 1034 transitions, 32984 flow [2021-03-25 19:47:11,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 384 transitions. [2021-03-25 19:47:11,911 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42244224422442245 [2021-03-25 19:47:11,912 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 384 transitions. [2021-03-25 19:47:11,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 384 transitions. [2021-03-25 19:47:11,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:11,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 384 transitions. [2021-03-25 19:47:11,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.666666666666664) internal successors, (384), 9 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:11,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:11,913 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:11,914 INFO L185 Difference]: Start difference. First operand has 122 places, 963 transitions, 28848 flow. Second operand 9 states and 384 transitions. [2021-03-25 19:47:11,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 1034 transitions, 32984 flow [2021-03-25 19:47:12,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 1034 transitions, 32899 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 19:47:12,203 INFO L241 Difference]: Finished difference. Result has 128 places, 1008 transitions, 31857 flow [2021-03-25 19:47:12,204 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=28709, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=961, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=734, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=31857, PETRI_PLACES=128, PETRI_TRANSITIONS=1008} [2021-03-25 19:47:12,204 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 88 predicate places. [2021-03-25 19:47:12,204 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:12,204 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 1008 transitions, 31857 flow [2021-03-25 19:47:12,204 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 1008 transitions, 31857 flow [2021-03-25 19:47:12,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 1008 transitions, 31857 flow [2021-03-25 19:47:12,938 INFO L129 PetriNetUnfolder]: 1333/3252 cut-off events. [2021-03-25 19:47:12,938 INFO L130 PetriNetUnfolder]: For 81079/81979 co-relation queries the response was YES. [2021-03-25 19:47:12,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38141 conditions, 3252 events. 1333/3252 cut-off events. For 81079/81979 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 30187 event pairs, 6 based on Foata normal form. 131/3378 useless extension candidates. Maximal degree in co-relation 37939. Up to 1210 conditions per place. [2021-03-25 19:47:12,972 INFO L142 LiptonReduction]: Number of co-enabled transitions 956 [2021-03-25 19:47:13,199 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:13,199 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:13,200 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 996 [2021-03-25 19:47:13,200 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 1008 transitions, 31857 flow [2021-03-25 19:47:13,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:13,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:13,200 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] [2021-03-25 19:47:13,200 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 19:47:13,200 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:13,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:13,201 INFO L82 PathProgramCache]: Analyzing trace with hash 59677752, now seen corresponding path program 3 times [2021-03-25 19:47:13,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:13,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642264354] [2021-03-25 19:47:13,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:13,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:13,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:13,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:13,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:13,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:13,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:13,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:13,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:13,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:13,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:13,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:13,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:13,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642264354] [2021-03-25 19:47:13,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:13,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:47:13,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503490410] [2021-03-25 19:47:13,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:47:13,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:13,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:47:13,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:47:13,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:13,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 1008 transitions, 31857 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:13,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:13,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:13,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:14,687 INFO L129 PetriNetUnfolder]: 1374/3436 cut-off events. [2021-03-25 19:47:14,687 INFO L130 PetriNetUnfolder]: For 86650/87090 co-relation queries the response was YES. [2021-03-25 19:47:14,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43273 conditions, 3436 events. 1374/3436 cut-off events. For 86650/87090 co-relation queries the response was YES. Maximal size of possible extension queue 512. Compared 32346 event pairs, 73 based on Foata normal form. 207/3641 useless extension candidates. Maximal degree in co-relation 43071. Up to 1729 conditions per place. [2021-03-25 19:47:14,710 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 388 selfloop transitions, 625 changer transitions 23/1047 dead transitions. [2021-03-25 19:47:14,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 1047 transitions, 34797 flow [2021-03-25 19:47:14,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 19:47:14,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 19:47:14,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 332 transitions. [2021-03-25 19:47:14,711 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41089108910891087 [2021-03-25 19:47:14,711 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 332 transitions. [2021-03-25 19:47:14,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 332 transitions. [2021-03-25 19:47:14,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:14,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 332 transitions. [2021-03-25 19:47:14,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 41.5) internal successors, (332), 8 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:14,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:47:14,713 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:47:14,713 INFO L185 Difference]: Start difference. First operand has 128 places, 1008 transitions, 31857 flow. Second operand 8 states and 332 transitions. [2021-03-25 19:47:14,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 1047 transitions, 34797 flow [2021-03-25 19:47:15,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 1047 transitions, 34562 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 19:47:15,028 INFO L241 Difference]: Finished difference. Result has 132 places, 1001 transitions, 32514 flow [2021-03-25 19:47:15,029 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=30500, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=976, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=582, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32514, PETRI_PLACES=132, PETRI_TRANSITIONS=1001} [2021-03-25 19:47:15,029 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 92 predicate places. [2021-03-25 19:47:15,029 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:15,029 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 1001 transitions, 32514 flow [2021-03-25 19:47:15,029 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 1001 transitions, 32514 flow [2021-03-25 19:47:15,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 1001 transitions, 32514 flow [2021-03-25 19:47:15,694 INFO L129 PetriNetUnfolder]: 1224/3095 cut-off events. [2021-03-25 19:47:15,694 INFO L130 PetriNetUnfolder]: For 80915/81792 co-relation queries the response was YES. [2021-03-25 19:47:15,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36853 conditions, 3095 events. 1224/3095 cut-off events. For 80915/81792 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 29214 event pairs, 6 based on Foata normal form. 119/3209 useless extension candidates. Maximal degree in co-relation 36661. Up to 1141 conditions per place. [2021-03-25 19:47:15,720 INFO L142 LiptonReduction]: Number of co-enabled transitions 914 [2021-03-25 19:47:15,911 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:15,912 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:15,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 883 [2021-03-25 19:47:15,912 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 1001 transitions, 32514 flow [2021-03-25 19:47:15,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:15,912 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:15,912 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] [2021-03-25 19:47:15,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-25 19:47:15,913 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:15,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:15,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1374411253, now seen corresponding path program 6 times [2021-03-25 19:47:15,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:15,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342488552] [2021-03-25 19:47:15,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:15,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:15,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:15,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:15,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:15,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:15,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:15,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:15,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:15,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:15,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:15,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:15,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:15,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:15,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:15,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342488552] [2021-03-25 19:47:15,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:15,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 19:47:15,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130404309] [2021-03-25 19:47:15,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:47:15,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:15,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:47:15,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:47:15,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:15,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 1001 transitions, 32514 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:15,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:15,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:15,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:17,583 INFO L129 PetriNetUnfolder]: 1347/3346 cut-off events. [2021-03-25 19:47:17,583 INFO L130 PetriNetUnfolder]: For 86115/86555 co-relation queries the response was YES. [2021-03-25 19:47:17,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42677 conditions, 3346 events. 1347/3346 cut-off events. For 86115/86555 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 31172 event pairs, 22 based on Foata normal form. 93/3437 useless extension candidates. Maximal degree in co-relation 42480. Up to 1227 conditions per place. [2021-03-25 19:47:17,613 INFO L132 encePairwiseOnDemand]: 68/101 looper letters, 198 selfloop transitions, 819 changer transitions 0/1028 dead transitions. [2021-03-25 19:47:17,613 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 1028 transitions, 35070 flow [2021-03-25 19:47:17,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 19:47:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 19:47:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 426 transitions. [2021-03-25 19:47:17,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42178217821782177 [2021-03-25 19:47:17,615 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 426 transitions. [2021-03-25 19:47:17,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 426 transitions. [2021-03-25 19:47:17,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:17,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 426 transitions. [2021-03-25 19:47:17,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 42.6) internal successors, (426), 10 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:17,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 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) [2021-03-25 19:47:17,616 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 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) [2021-03-25 19:47:17,616 INFO L185 Difference]: Start difference. First operand has 132 places, 1001 transitions, 32514 flow. Second operand 10 states and 426 transitions. [2021-03-25 19:47:17,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 1028 transitions, 35070 flow [2021-03-25 19:47:17,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 1028 transitions, 34418 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 19:47:17,907 INFO L241 Difference]: Finished difference. Result has 137 places, 1015 transitions, 33844 flow [2021-03-25 19:47:17,908 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=31877, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1001, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=805, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=33844, PETRI_PLACES=137, PETRI_TRANSITIONS=1015} [2021-03-25 19:47:17,908 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 97 predicate places. [2021-03-25 19:47:17,908 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:17,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 1015 transitions, 33844 flow [2021-03-25 19:47:17,908 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 1015 transitions, 33844 flow [2021-03-25 19:47:17,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 1015 transitions, 33844 flow [2021-03-25 19:47:18,602 INFO L129 PetriNetUnfolder]: 1229/3116 cut-off events. [2021-03-25 19:47:18,603 INFO L130 PetriNetUnfolder]: For 76834/77167 co-relation queries the response was YES. [2021-03-25 19:47:18,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38467 conditions, 3116 events. 1229/3116 cut-off events. For 76834/77167 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 29550 event pairs, 6 based on Foata normal form. 113/3227 useless extension candidates. Maximal degree in co-relation 38267. Up to 1151 conditions per place. [2021-03-25 19:47:18,628 INFO L142 LiptonReduction]: Number of co-enabled transitions 918 [2021-03-25 19:47:18,824 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:18,824 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:18,824 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 916 [2021-03-25 19:47:18,825 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 1015 transitions, 33844 flow [2021-03-25 19:47:18,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:18,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:18,825 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:18,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-25 19:47:18,825 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:18,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:18,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1794213447, now seen corresponding path program 3 times [2021-03-25 19:47:18,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:18,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498783078] [2021-03-25 19:47:18,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:18,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:18,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:18,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:18,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:18,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:18,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:18,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:18,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:18,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:18,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:18,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:18,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:18,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:18,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:18,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:18,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498783078] [2021-03-25 19:47:18,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:18,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 19:47:18,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971657563] [2021-03-25 19:47:18,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 19:47:18,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:18,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 19:47:18,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-25 19:47:18,887 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:18,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 1015 transitions, 33844 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:18,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:18,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:18,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:20,483 INFO L129 PetriNetUnfolder]: 1361/3389 cut-off events. [2021-03-25 19:47:20,483 INFO L130 PetriNetUnfolder]: For 87424/87873 co-relation queries the response was YES. [2021-03-25 19:47:20,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44892 conditions, 3389 events. 1361/3389 cut-off events. For 87424/87873 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 31791 event pairs, 22 based on Foata normal form. 103/3488 useless extension candidates. Maximal degree in co-relation 44706. Up to 1250 conditions per place. [2021-03-25 19:47:20,506 INFO L132 encePairwiseOnDemand]: 68/101 looper letters, 200 selfloop transitions, 867 changer transitions 0/1078 dead transitions. [2021-03-25 19:47:20,506 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 1078 transitions, 37640 flow [2021-03-25 19:47:20,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 19:47:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 19:47:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 521 transitions. [2021-03-25 19:47:20,508 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3968012185833968 [2021-03-25 19:47:20,508 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 521 transitions. [2021-03-25 19:47:20,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 521 transitions. [2021-03-25 19:47:20,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:20,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 521 transitions. [2021-03-25 19:47:20,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 40.07692307692308) internal successors, (521), 13 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:20,510 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) [2021-03-25 19:47:20,510 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) [2021-03-25 19:47:20,510 INFO L185 Difference]: Start difference. First operand has 137 places, 1015 transitions, 33844 flow. Second operand 13 states and 521 transitions. [2021-03-25 19:47:20,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 1078 transitions, 37640 flow [2021-03-25 19:47:20,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 1078 transitions, 35908 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-03-25 19:47:20,850 INFO L241 Difference]: Finished difference. Result has 143 places, 1063 transitions, 35316 flow [2021-03-25 19:47:20,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=32208, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1015, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=819, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=35316, PETRI_PLACES=143, PETRI_TRANSITIONS=1063} [2021-03-25 19:47:20,851 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 103 predicate places. [2021-03-25 19:47:20,851 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:20,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 1063 transitions, 35316 flow [2021-03-25 19:47:20,852 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 1063 transitions, 35316 flow [2021-03-25 19:47:20,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 1063 transitions, 35316 flow [2021-03-25 19:47:21,566 INFO L129 PetriNetUnfolder]: 1243/3161 cut-off events. [2021-03-25 19:47:21,566 INFO L130 PetriNetUnfolder]: For 80322/80635 co-relation queries the response was YES. [2021-03-25 19:47:21,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39136 conditions, 3161 events. 1243/3161 cut-off events. For 80322/80635 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 30092 event pairs, 6 based on Foata normal form. 108/3266 useless extension candidates. Maximal degree in co-relation 38945. Up to 1174 conditions per place. [2021-03-25 19:47:21,592 INFO L142 LiptonReduction]: Number of co-enabled transitions 930 [2021-03-25 19:47:21,783 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:21,783 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:21,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 932 [2021-03-25 19:47:21,783 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 1063 transitions, 35316 flow [2021-03-25 19:47:21,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:21,783 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:21,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:21,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-25 19:47:21,784 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:21,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:21,784 INFO L82 PathProgramCache]: Analyzing trace with hash 585555240, now seen corresponding path program 4 times [2021-03-25 19:47:21,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:21,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579320764] [2021-03-25 19:47:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:21,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:21,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:21,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:21,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:21,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:21,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:21,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:21,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:21,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:21,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:21,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:21,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:21,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579320764] [2021-03-25 19:47:21,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:21,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:47:21,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370609925] [2021-03-25 19:47:21,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:47:21,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:21,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:47:21,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:47:21,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:21,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 1063 transitions, 35316 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:21,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:21,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:21,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:23,305 INFO L129 PetriNetUnfolder]: 1202/3186 cut-off events. [2021-03-25 19:47:23,305 INFO L130 PetriNetUnfolder]: For 87646/88100 co-relation queries the response was YES. [2021-03-25 19:47:23,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42143 conditions, 3186 events. 1202/3186 cut-off events. For 87646/88100 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 30704 event pairs, 66 based on Foata normal form. 211/3395 useless extension candidates. Maximal degree in co-relation 41956. Up to 1605 conditions per place. [2021-03-25 19:47:23,325 INFO L132 encePairwiseOnDemand]: 70/101 looper letters, 392 selfloop transitions, 648 changer transitions 30/1081 dead transitions. [2021-03-25 19:47:23,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 1081 transitions, 37674 flow [2021-03-25 19:47:23,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 19:47:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 19:47:23,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 334 transitions. [2021-03-25 19:47:23,327 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41336633663366334 [2021-03-25 19:47:23,327 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 334 transitions. [2021-03-25 19:47:23,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 334 transitions. [2021-03-25 19:47:23,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:23,327 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 334 transitions. [2021-03-25 19:47:23,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 41.75) internal successors, (334), 8 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:23,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:47:23,328 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:47:23,328 INFO L185 Difference]: Start difference. First operand has 143 places, 1063 transitions, 35316 flow. Second operand 8 states and 334 transitions. [2021-03-25 19:47:23,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 1081 transitions, 37674 flow [2021-03-25 19:47:23,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 1081 transitions, 37164 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 19:47:23,649 INFO L241 Difference]: Finished difference. Result has 147 places, 1030 transitions, 34833 flow [2021-03-25 19:47:23,649 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=33201, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1017, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=613, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=34833, PETRI_PLACES=147, PETRI_TRANSITIONS=1030} [2021-03-25 19:47:23,650 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 107 predicate places. [2021-03-25 19:47:23,650 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:23,650 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 1030 transitions, 34833 flow [2021-03-25 19:47:23,650 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 1030 transitions, 34833 flow [2021-03-25 19:47:23,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 1030 transitions, 34833 flow [2021-03-25 19:47:24,324 INFO L129 PetriNetUnfolder]: 1067/2863 cut-off events. [2021-03-25 19:47:24,325 INFO L130 PetriNetUnfolder]: For 79271/80141 co-relation queries the response was YES. [2021-03-25 19:47:24,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35678 conditions, 2863 events. 1067/2863 cut-off events. For 79271/80141 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 27571 event pairs, 6 based on Foata normal form. 92/2950 useless extension candidates. Maximal degree in co-relation 35502. Up to 1064 conditions per place. [2021-03-25 19:47:24,349 INFO L142 LiptonReduction]: Number of co-enabled transitions 874 [2021-03-25 19:47:24,555 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:24,556 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:24,556 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 906 [2021-03-25 19:47:24,556 INFO L480 AbstractCegarLoop]: Abstraction has has 147 places, 1030 transitions, 34833 flow [2021-03-25 19:47:24,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:24,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:24,556 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] [2021-03-25 19:47:24,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-25 19:47:24,557 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:24,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:24,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1533376468, now seen corresponding path program 1 times [2021-03-25 19:47:24,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:24,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606190372] [2021-03-25 19:47:24,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:24,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:24,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:24,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:24,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:24,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:24,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:24,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:24,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:24,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:24,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:24,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:24,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606190372] [2021-03-25 19:47:24,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:24,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:47:24,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62281777] [2021-03-25 19:47:24,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:47:24,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:24,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:47:24,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:47:24,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:24,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 1030 transitions, 34833 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:24,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:24,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:24,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:26,075 INFO L129 PetriNetUnfolder]: 1135/3058 cut-off events. [2021-03-25 19:47:26,076 INFO L130 PetriNetUnfolder]: For 84332/84787 co-relation queries the response was YES. [2021-03-25 19:47:26,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40393 conditions, 3058 events. 1135/3058 cut-off events. For 84332/84787 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 29477 event pairs, 26 based on Foata normal form. 125/3181 useless extension candidates. Maximal degree in co-relation 40196. Up to 1114 conditions per place. [2021-03-25 19:47:26,097 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 241 selfloop transitions, 795 changer transitions 15/1062 dead transitions. [2021-03-25 19:47:26,097 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 1062 transitions, 37599 flow [2021-03-25 19:47:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 384 transitions. [2021-03-25 19:47:26,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42244224422442245 [2021-03-25 19:47:26,098 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 384 transitions. [2021-03-25 19:47:26,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 384 transitions. [2021-03-25 19:47:26,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:26,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 384 transitions. [2021-03-25 19:47:26,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.666666666666664) internal successors, (384), 9 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:26,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:26,100 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:26,100 INFO L185 Difference]: Start difference. First operand has 147 places, 1030 transitions, 34833 flow. Second operand 9 states and 384 transitions. [2021-03-25 19:47:26,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 1062 transitions, 37599 flow [2021-03-25 19:47:26,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 1062 transitions, 37441 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-03-25 19:47:26,428 INFO L241 Difference]: Finished difference. Result has 153 places, 1027 transitions, 36041 flow [2021-03-25 19:47:26,428 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=34347, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=777, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36041, PETRI_PLACES=153, PETRI_TRANSITIONS=1027} [2021-03-25 19:47:26,429 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 113 predicate places. [2021-03-25 19:47:26,429 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:26,429 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 1027 transitions, 36041 flow [2021-03-25 19:47:26,429 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 1027 transitions, 36041 flow [2021-03-25 19:47:26,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 1027 transitions, 36041 flow [2021-03-25 19:47:27,104 INFO L129 PetriNetUnfolder]: 1027/2843 cut-off events. [2021-03-25 19:47:27,104 INFO L130 PetriNetUnfolder]: For 83289/83849 co-relation queries the response was YES. [2021-03-25 19:47:27,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36400 conditions, 2843 events. 1027/2843 cut-off events. For 83289/83849 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 27805 event pairs, 6 based on Foata normal form. 87/2926 useless extension candidates. Maximal degree in co-relation 36209. Up to 1057 conditions per place. [2021-03-25 19:47:27,128 INFO L142 LiptonReduction]: Number of co-enabled transitions 898 [2021-03-25 19:47:27,322 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:27,322 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:27,322 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 893 [2021-03-25 19:47:27,323 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 1027 transitions, 36041 flow [2021-03-25 19:47:27,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:27,323 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:27,323 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] [2021-03-25 19:47:27,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-25 19:47:27,323 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:27,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:27,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1202225740, now seen corresponding path program 5 times [2021-03-25 19:47:27,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:27,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762625837] [2021-03-25 19:47:27,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:27,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:27,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:27,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:27,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:27,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:27,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:27,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:27,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:27,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:27,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:27,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762625837] [2021-03-25 19:47:27,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:27,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 19:47:27,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132940954] [2021-03-25 19:47:27,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:47:27,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:27,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:47:27,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:47:27,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:27,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 1027 transitions, 36041 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:27,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:27,370 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:27,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:28,991 INFO L129 PetriNetUnfolder]: 1127/3085 cut-off events. [2021-03-25 19:47:28,992 INFO L130 PetriNetUnfolder]: For 90229/90700 co-relation queries the response was YES. [2021-03-25 19:47:29,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41868 conditions, 3085 events. 1127/3085 cut-off events. For 90229/90700 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 30032 event pairs, 26 based on Foata normal form. 125/3208 useless extension candidates. Maximal degree in co-relation 41666. Up to 1121 conditions per place. [2021-03-25 19:47:29,013 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 247 selfloop transitions, 795 changer transitions 21/1074 dead transitions. [2021-03-25 19:47:29,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 1074 transitions, 39091 flow [2021-03-25 19:47:29,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 19:47:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 19:47:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 504 transitions. [2021-03-25 19:47:29,014 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4158415841584158 [2021-03-25 19:47:29,014 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 504 transitions. [2021-03-25 19:47:29,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 504 transitions. [2021-03-25 19:47:29,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:29,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 504 transitions. [2021-03-25 19:47:29,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 42.0) internal successors, (504), 12 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) [2021-03-25 19:47:29,017 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) [2021-03-25 19:47:29,017 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) [2021-03-25 19:47:29,017 INFO L185 Difference]: Start difference. First operand has 153 places, 1027 transitions, 36041 flow. Second operand 12 states and 504 transitions. [2021-03-25 19:47:29,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 1074 transitions, 39091 flow [2021-03-25 19:47:29,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 1074 transitions, 38230 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 19:47:29,365 INFO L241 Difference]: Finished difference. Result has 159 places, 1027 transitions, 36441 flow [2021-03-25 19:47:29,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=35207, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1027, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=777, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=36441, PETRI_PLACES=159, PETRI_TRANSITIONS=1027} [2021-03-25 19:47:29,366 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 119 predicate places. [2021-03-25 19:47:29,366 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:29,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 1027 transitions, 36441 flow [2021-03-25 19:47:29,367 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 1027 transitions, 36441 flow [2021-03-25 19:47:29,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 1027 transitions, 36441 flow [2021-03-25 19:47:30,080 INFO L129 PetriNetUnfolder]: 1017/2851 cut-off events. [2021-03-25 19:47:30,080 INFO L130 PetriNetUnfolder]: For 80663/80983 co-relation queries the response was YES. [2021-03-25 19:47:30,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36969 conditions, 2851 events. 1017/2851 cut-off events. For 80663/80983 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 28281 event pairs, 6 based on Foata normal form. 81/2930 useless extension candidates. Maximal degree in co-relation 36780. Up to 1053 conditions per place. [2021-03-25 19:47:30,104 INFO L142 LiptonReduction]: Number of co-enabled transitions 910 [2021-03-25 19:47:30,311 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:30,311 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:30,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 945 [2021-03-25 19:47:30,311 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 1027 transitions, 36441 flow [2021-03-25 19:47:30,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:30,311 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:30,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:30,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-25 19:47:30,312 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:30,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:30,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1533289627, now seen corresponding path program 7 times [2021-03-25 19:47:30,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:30,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327059267] [2021-03-25 19:47:30,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:30,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:30,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:30,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:47:30,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:30,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:47:30,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:30,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:30,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:30,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:30,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:30,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:30,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:30,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327059267] [2021-03-25 19:47:30,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:30,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:47:30,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991794890] [2021-03-25 19:47:30,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:47:30,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:30,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:47:30,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:47:30,354 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:30,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 1027 transitions, 36441 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:30,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:30,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:30,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:31,783 INFO L129 PetriNetUnfolder]: 1091/3032 cut-off events. [2021-03-25 19:47:31,783 INFO L130 PetriNetUnfolder]: For 89837/90306 co-relation queries the response was YES. [2021-03-25 19:47:31,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41798 conditions, 3032 events. 1091/3032 cut-off events. For 89837/90306 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 29771 event pairs, 10 based on Foata normal form. 106/3136 useless extension candidates. Maximal degree in co-relation 41596. Up to 1108 conditions per place. [2021-03-25 19:47:31,803 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 135 selfloop transitions, 896 changer transitions 16/1058 dead transitions. [2021-03-25 19:47:31,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 1058 transitions, 39036 flow [2021-03-25 19:47:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 383 transitions. [2021-03-25 19:47:31,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4213421342134213 [2021-03-25 19:47:31,804 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 383 transitions. [2021-03-25 19:47:31,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 383 transitions. [2021-03-25 19:47:31,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:31,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 383 transitions. [2021-03-25 19:47:31,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.55555555555556) internal successors, (383), 9 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:31,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:31,806 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:31,806 INFO L185 Difference]: Start difference. First operand has 159 places, 1027 transitions, 36441 flow. Second operand 9 states and 383 transitions. [2021-03-25 19:47:31,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 1058 transitions, 39036 flow [2021-03-25 19:47:32,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 1058 transitions, 37446 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-25 19:47:32,150 INFO L241 Difference]: Finished difference. Result has 159 places, 1017 transitions, 36431 flow [2021-03-25 19:47:32,151 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=34708, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1020, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=890, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36431, PETRI_PLACES=159, PETRI_TRANSITIONS=1017} [2021-03-25 19:47:32,151 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 119 predicate places. [2021-03-25 19:47:32,151 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:32,151 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 1017 transitions, 36431 flow [2021-03-25 19:47:32,152 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 1017 transitions, 36431 flow [2021-03-25 19:47:32,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 159 places, 1017 transitions, 36431 flow [2021-03-25 19:47:32,853 INFO L129 PetriNetUnfolder]: 987/2813 cut-off events. [2021-03-25 19:47:32,853 INFO L130 PetriNetUnfolder]: For 85188/85847 co-relation queries the response was YES. [2021-03-25 19:47:32,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36923 conditions, 2813 events. 987/2813 cut-off events. For 85188/85847 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 27918 event pairs, 6 based on Foata normal form. 93/2901 useless extension candidates. Maximal degree in co-relation 36731. Up to 1051 conditions per place. [2021-03-25 19:47:32,876 INFO L142 LiptonReduction]: Number of co-enabled transitions 910 [2021-03-25 19:47:33,069 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:33,069 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:33,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 918 [2021-03-25 19:47:33,070 INFO L480 AbstractCegarLoop]: Abstraction has has 159 places, 1017 transitions, 36431 flow [2021-03-25 19:47:33,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:33,070 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:33,070 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] [2021-03-25 19:47:33,070 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-25 19:47:33,070 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:33,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:33,070 INFO L82 PathProgramCache]: Analyzing trace with hash -2144617273, now seen corresponding path program 4 times [2021-03-25 19:47:33,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:33,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387555267] [2021-03-25 19:47:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:33,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:33,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:33,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:47:33,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:33,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:47:33,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:33,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:33,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:33,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:33,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:33,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:33,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387555267] [2021-03-25 19:47:33,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:33,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:47:33,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394245411] [2021-03-25 19:47:33,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:47:33,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:33,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:47:33,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:47:33,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:33,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 1017 transitions, 36431 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:33,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:33,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:33,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:34,489 INFO L129 PetriNetUnfolder]: 1058/2980 cut-off events. [2021-03-25 19:47:34,489 INFO L130 PetriNetUnfolder]: For 91529/92134 co-relation queries the response was YES. [2021-03-25 19:47:34,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41641 conditions, 2980 events. 1058/2980 cut-off events. For 91529/92134 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 29493 event pairs, 10 based on Foata normal form. 174/3152 useless extension candidates. Maximal degree in co-relation 41444. Up to 1104 conditions per place. [2021-03-25 19:47:34,508 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 133 selfloop transitions, 878 changer transitions 22/1044 dead transitions. [2021-03-25 19:47:34,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 1044 transitions, 38917 flow [2021-03-25 19:47:34,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 371 transitions. [2021-03-25 19:47:34,509 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4081408140814081 [2021-03-25 19:47:34,509 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 371 transitions. [2021-03-25 19:47:34,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 371 transitions. [2021-03-25 19:47:34,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:34,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 371 transitions. [2021-03-25 19:47:34,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.22222222222222) internal successors, (371), 9 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:34,511 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:34,511 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:34,511 INFO L185 Difference]: Start difference. First operand has 159 places, 1017 transitions, 36431 flow. Second operand 9 states and 371 transitions. [2021-03-25 19:47:34,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 1044 transitions, 38917 flow [2021-03-25 19:47:34,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 1044 transitions, 37746 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 19:47:34,846 INFO L241 Difference]: Finished difference. Result has 163 places, 999 transitions, 36638 flow [2021-03-25 19:47:34,847 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=35074, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1008, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=874, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36638, PETRI_PLACES=163, PETRI_TRANSITIONS=999} [2021-03-25 19:47:34,847 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 123 predicate places. [2021-03-25 19:47:34,847 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:34,847 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 999 transitions, 36638 flow [2021-03-25 19:47:34,848 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 999 transitions, 36638 flow [2021-03-25 19:47:34,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 999 transitions, 36638 flow [2021-03-25 19:47:35,510 INFO L129 PetriNetUnfolder]: 950/2758 cut-off events. [2021-03-25 19:47:35,510 INFO L130 PetriNetUnfolder]: For 93255/94214 co-relation queries the response was YES. [2021-03-25 19:47:35,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36904 conditions, 2758 events. 950/2758 cut-off events. For 93255/94214 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 27551 event pairs, 6 based on Foata normal form. 107/2860 useless extension candidates. Maximal degree in co-relation 36717. Up to 1050 conditions per place. [2021-03-25 19:47:35,533 INFO L142 LiptonReduction]: Number of co-enabled transitions 898 [2021-03-25 19:47:35,723 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:35,723 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:35,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 876 [2021-03-25 19:47:35,724 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 999 transitions, 36638 flow [2021-03-25 19:47:35,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:35,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:35,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:35,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-25 19:47:35,724 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:35,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:35,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1614263143, now seen corresponding path program 8 times [2021-03-25 19:47:35,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:35,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792285148] [2021-03-25 19:47:35,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:35,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:35,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:35,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:47:35,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:35,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:47:35,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:35,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:35,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:35,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:35,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:35,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:35,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:35,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792285148] [2021-03-25 19:47:35,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:35,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:47:35,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879886622] [2021-03-25 19:47:35,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:47:35,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:35,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:47:35,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:47:35,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:35,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 999 transitions, 36638 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:35,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:35,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:35,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:37,007 INFO L129 PetriNetUnfolder]: 1014/2911 cut-off events. [2021-03-25 19:47:37,007 INFO L130 PetriNetUnfolder]: For 96397/97155 co-relation queries the response was YES. [2021-03-25 19:47:37,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41434 conditions, 2911 events. 1014/2911 cut-off events. For 96397/97155 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 28960 event pairs, 10 based on Foata normal form. 195/3103 useless extension candidates. Maximal degree in co-relation 41234. Up to 1102 conditions per place. [2021-03-25 19:47:37,026 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 134 selfloop transitions, 842 changer transitions 35/1022 dead transitions. [2021-03-25 19:47:37,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 1022 transitions, 39062 flow [2021-03-25 19:47:37,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 381 transitions. [2021-03-25 19:47:37,027 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41914191419141916 [2021-03-25 19:47:37,027 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 381 transitions. [2021-03-25 19:47:37,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 381 transitions. [2021-03-25 19:47:37,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:37,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 381 transitions. [2021-03-25 19:47:37,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.333333333333336) internal successors, (381), 9 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:37,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:37,029 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:37,029 INFO L185 Difference]: Start difference. First operand has 163 places, 999 transitions, 36638 flow. Second operand 9 states and 381 transitions. [2021-03-25 19:47:37,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 1022 transitions, 39062 flow [2021-03-25 19:47:37,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 1022 transitions, 38740 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 19:47:37,364 INFO L241 Difference]: Finished difference. Result has 168 places, 960 transitions, 37189 flow [2021-03-25 19:47:37,365 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=35999, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=983, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=841, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=37189, PETRI_PLACES=168, PETRI_TRANSITIONS=960} [2021-03-25 19:47:37,365 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 128 predicate places. [2021-03-25 19:47:37,365 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:37,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 960 transitions, 37189 flow [2021-03-25 19:47:37,365 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 960 transitions, 37189 flow [2021-03-25 19:47:37,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 960 transitions, 37189 flow [2021-03-25 19:47:37,946 INFO L129 PetriNetUnfolder]: 882/2484 cut-off events. [2021-03-25 19:47:37,946 INFO L130 PetriNetUnfolder]: For 94273/94472 co-relation queries the response was YES. [2021-03-25 19:47:37,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35419 conditions, 2484 events. 882/2484 cut-off events. For 94273/94472 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 23931 event pairs, 1 based on Foata normal form. 70/2551 useless extension candidates. Maximal degree in co-relation 35248. Up to 1019 conditions per place. [2021-03-25 19:47:37,968 INFO L142 LiptonReduction]: Number of co-enabled transitions 828 [2021-03-25 19:47:38,146 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:38,146 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:38,146 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 781 [2021-03-25 19:47:38,146 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 960 transitions, 37189 flow [2021-03-25 19:47:38,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:38,147 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:38,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:38,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-25 19:47:38,147 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:38,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:38,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1075439040, now seen corresponding path program 1 times [2021-03-25 19:47:38,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:38,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637517788] [2021-03-25 19:47:38,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:38,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:38,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:38,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:38,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:38,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:38,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:38,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:38,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:38,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:38,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:38,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:38,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637517788] [2021-03-25 19:47:38,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:38,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:47:38,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965483079] [2021-03-25 19:47:38,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:47:38,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:38,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:47:38,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:47:38,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:38,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 960 transitions, 37189 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:38,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:38,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:38,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:39,457 INFO L129 PetriNetUnfolder]: 933/2657 cut-off events. [2021-03-25 19:47:39,457 INFO L130 PetriNetUnfolder]: For 102841/103273 co-relation queries the response was YES. [2021-03-25 19:47:39,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39604 conditions, 2657 events. 933/2657 cut-off events. For 102841/103273 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 25744 event pairs, 8 based on Foata normal form. 87/2741 useless extension candidates. Maximal degree in co-relation 39400. Up to 1056 conditions per place. [2021-03-25 19:47:39,474 INFO L132 encePairwiseOnDemand]: 69/101 looper letters, 175 selfloop transitions, 784 changer transitions 20/990 dead transitions. [2021-03-25 19:47:39,475 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 990 transitions, 39768 flow [2021-03-25 19:47:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:39,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:39,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 377 transitions. [2021-03-25 19:47:39,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41474147414741475 [2021-03-25 19:47:39,476 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 377 transitions. [2021-03-25 19:47:39,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 377 transitions. [2021-03-25 19:47:39,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:39,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 377 transitions. [2021-03-25 19:47:39,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 41.888888888888886) internal successors, (377), 9 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:39,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:39,478 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:39,478 INFO L185 Difference]: Start difference. First operand has 168 places, 960 transitions, 37189 flow. Second operand 9 states and 377 transitions. [2021-03-25 19:47:39,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 990 transitions, 39768 flow [2021-03-25 19:47:39,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 990 transitions, 39444 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 19:47:39,800 INFO L241 Difference]: Finished difference. Result has 173 places, 951 transitions, 37863 flow [2021-03-25 19:47:39,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=36500, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=768, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=37863, PETRI_PLACES=173, PETRI_TRANSITIONS=951} [2021-03-25 19:47:39,801 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 133 predicate places. [2021-03-25 19:47:39,801 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:39,801 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 951 transitions, 37863 flow [2021-03-25 19:47:39,801 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 951 transitions, 37863 flow [2021-03-25 19:47:39,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 951 transitions, 37863 flow [2021-03-25 19:47:40,355 INFO L129 PetriNetUnfolder]: 833/2452 cut-off events. [2021-03-25 19:47:40,356 INFO L130 PetriNetUnfolder]: For 94779/95049 co-relation queries the response was YES. [2021-03-25 19:47:40,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35294 conditions, 2452 events. 833/2452 cut-off events. For 94779/95049 co-relation queries the response was YES. Maximal size of possible extension queue 397. Compared 24062 event pairs, 1 based on Foata normal form. 67/2517 useless extension candidates. Maximal degree in co-relation 35097. Up to 998 conditions per place. [2021-03-25 19:47:40,377 INFO L142 LiptonReduction]: Number of co-enabled transitions 826 [2021-03-25 19:47:40,565 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:40,565 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:40,565 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 764 [2021-03-25 19:47:40,565 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 951 transitions, 37863 flow [2021-03-25 19:47:40,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:40,566 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:40,566 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:40,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-25 19:47:40,566 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:40,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:40,566 INFO L82 PathProgramCache]: Analyzing trace with hash 390123524, now seen corresponding path program 6 times [2021-03-25 19:47:40,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:40,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075389923] [2021-03-25 19:47:40,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:40,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:40,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:40,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:40,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:40,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:40,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:40,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:40,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:40,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:40,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:40,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:40,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075389923] [2021-03-25 19:47:40,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:40,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:47:40,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046981780] [2021-03-25 19:47:40,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:47:40,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:40,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:47:40,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:47:40,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:40,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 951 transitions, 37863 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:40,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:40,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:40,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:41,809 INFO L129 PetriNetUnfolder]: 873/2545 cut-off events. [2021-03-25 19:47:41,809 INFO L130 PetriNetUnfolder]: For 102454/102723 co-relation queries the response was YES. [2021-03-25 19:47:41,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38928 conditions, 2545 events. 873/2545 cut-off events. For 102454/102723 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 24671 event pairs, 8 based on Foata normal form. 62/2605 useless extension candidates. Maximal degree in co-relation 38728. Up to 1018 conditions per place. [2021-03-25 19:47:41,825 INFO L132 encePairwiseOnDemand]: 70/101 looper letters, 167 selfloop transitions, 705 changer transitions 78/961 dead transitions. [2021-03-25 19:47:41,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 961 transitions, 39703 flow [2021-03-25 19:47:41,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 19:47:41,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 19:47:41,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 336 transitions. [2021-03-25 19:47:41,826 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4158415841584158 [2021-03-25 19:47:41,826 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 336 transitions. [2021-03-25 19:47:41,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 336 transitions. [2021-03-25 19:47:41,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:41,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 336 transitions. [2021-03-25 19:47:41,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 42.0) internal successors, (336), 8 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) [2021-03-25 19:47:41,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:47:41,828 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:47:41,828 INFO L185 Difference]: Start difference. First operand has 173 places, 951 transitions, 37863 flow. Second operand 8 states and 336 transitions. [2021-03-25 19:47:41,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 961 transitions, 39703 flow [2021-03-25 19:47:42,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 961 transitions, 39386 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 19:47:42,135 INFO L241 Difference]: Finished difference. Result has 179 places, 874 transitions, 35672 flow [2021-03-25 19:47:42,136 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=36932, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=934, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=705, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=35672, PETRI_PLACES=179, PETRI_TRANSITIONS=874} [2021-03-25 19:47:42,136 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 139 predicate places. [2021-03-25 19:47:42,136 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:42,136 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 874 transitions, 35672 flow [2021-03-25 19:47:42,136 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 874 transitions, 35672 flow [2021-03-25 19:47:42,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 874 transitions, 35672 flow [2021-03-25 19:47:42,659 INFO L129 PetriNetUnfolder]: 723/2281 cut-off events. [2021-03-25 19:47:42,659 INFO L130 PetriNetUnfolder]: For 96200/96401 co-relation queries the response was YES. [2021-03-25 19:47:42,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34093 conditions, 2281 events. 723/2281 cut-off events. For 96200/96401 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 22902 event pairs, 1 based on Foata normal form. 60/2340 useless extension candidates. Maximal degree in co-relation 33903. Up to 924 conditions per place. [2021-03-25 19:47:42,689 INFO L142 LiptonReduction]: Number of co-enabled transitions 794 [2021-03-25 19:47:42,865 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:42,865 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:42,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 729 [2021-03-25 19:47:42,865 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 874 transitions, 35672 flow [2021-03-25 19:47:42,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:42,866 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:42,866 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:42,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-25 19:47:42,866 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:42,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:42,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1107731573, now seen corresponding path program 5 times [2021-03-25 19:47:42,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:42,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903489831] [2021-03-25 19:47:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:42,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:42,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:42,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:42,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:42,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:42,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:42,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:42,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:42,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:42,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:42,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:42,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:42,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:42,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:42,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:42,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903489831] [2021-03-25 19:47:42,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:42,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 19:47:42,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583782414] [2021-03-25 19:47:42,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:47:42,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:42,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:47:42,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:47:42,909 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:42,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 874 transitions, 35672 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:42,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:42,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:42,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:44,278 INFO L129 PetriNetUnfolder]: 833/2544 cut-off events. [2021-03-25 19:47:44,278 INFO L130 PetriNetUnfolder]: For 107046/107280 co-relation queries the response was YES. [2021-03-25 19:47:44,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40394 conditions, 2544 events. 833/2544 cut-off events. For 107046/107280 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 25346 event pairs, 8 based on Foata normal form. 81/2623 useless extension candidates. Maximal degree in co-relation 40196. Up to 1035 conditions per place. [2021-03-25 19:47:44,295 INFO L132 encePairwiseOnDemand]: 70/101 looper letters, 178 selfloop transitions, 687 changer transitions 105/981 dead transitions. [2021-03-25 19:47:44,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 981 transitions, 41079 flow [2021-03-25 19:47:44,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 19:47:44,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 19:47:44,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 497 transitions. [2021-03-25 19:47:44,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41006600660066006 [2021-03-25 19:47:44,296 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 497 transitions. [2021-03-25 19:47:44,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 497 transitions. [2021-03-25 19:47:44,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:44,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 497 transitions. [2021-03-25 19:47:44,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 41.416666666666664) internal successors, (497), 12 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:44,298 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) [2021-03-25 19:47:44,299 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) [2021-03-25 19:47:44,299 INFO L185 Difference]: Start difference. First operand has 179 places, 874 transitions, 35672 flow. Second operand 12 states and 497 transitions. [2021-03-25 19:47:44,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 981 transitions, 41079 flow [2021-03-25 19:47:44,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 981 transitions, 40689 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-25 19:47:44,741 INFO L241 Difference]: Finished difference. Result has 189 places, 856 transitions, 34972 flow [2021-03-25 19:47:44,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=35313, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=614, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34972, PETRI_PLACES=189, PETRI_TRANSITIONS=856} [2021-03-25 19:47:44,742 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 149 predicate places. [2021-03-25 19:47:44,742 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:44,742 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 856 transitions, 34972 flow [2021-03-25 19:47:44,742 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 856 transitions, 34972 flow [2021-03-25 19:47:44,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 189 places, 856 transitions, 34972 flow [2021-03-25 19:47:45,256 INFO L129 PetriNetUnfolder]: 693/2187 cut-off events. [2021-03-25 19:47:45,256 INFO L130 PetriNetUnfolder]: For 89757/90160 co-relation queries the response was YES. [2021-03-25 19:47:45,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33254 conditions, 2187 events. 693/2187 cut-off events. For 89757/90160 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 21584 event pairs, 1 based on Foata normal form. 44/2228 useless extension candidates. Maximal degree in co-relation 33058. Up to 866 conditions per place. [2021-03-25 19:47:45,276 INFO L142 LiptonReduction]: Number of co-enabled transitions 786 [2021-03-25 19:47:45,422 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:45,422 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:45,422 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 680 [2021-03-25 19:47:45,422 INFO L480 AbstractCegarLoop]: Abstraction has has 189 places, 856 transitions, 34972 flow [2021-03-25 19:47:45,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:45,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:45,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:45,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-25 19:47:45,423 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:45,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:45,423 INFO L82 PathProgramCache]: Analyzing trace with hash 69553335, now seen corresponding path program 9 times [2021-03-25 19:47:45,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:45,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233941067] [2021-03-25 19:47:45,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:45,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:45,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:45,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:45,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:45,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:45,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:45,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:45,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:45,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:45,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:45,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:45,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:45,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233941067] [2021-03-25 19:47:45,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:45,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 19:47:45,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468887158] [2021-03-25 19:47:45,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 19:47:45,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:45,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 19:47:45,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 19:47:45,482 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:45,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 856 transitions, 34972 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:45,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:45,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:45,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:46,881 INFO L129 PetriNetUnfolder]: 759/2356 cut-off events. [2021-03-25 19:47:46,881 INFO L130 PetriNetUnfolder]: For 102025/102235 co-relation queries the response was YES. [2021-03-25 19:47:46,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37905 conditions, 2356 events. 759/2356 cut-off events. For 102025/102235 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 23107 event pairs, 4 based on Foata normal form. 35/2389 useless extension candidates. Maximal degree in co-relation 37702. Up to 910 conditions per place. [2021-03-25 19:47:46,896 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 136 selfloop transitions, 726 changer transitions 45/918 dead transitions. [2021-03-25 19:47:46,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 918 transitions, 38397 flow [2021-03-25 19:47:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 19:47:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 19:47:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 683 transitions. [2021-03-25 19:47:46,897 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39778683750728017 [2021-03-25 19:47:46,897 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 683 transitions. [2021-03-25 19:47:46,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 683 transitions. [2021-03-25 19:47:46,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:46,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 683 transitions. [2021-03-25 19:47:46,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 40.1764705882353) internal successors, (683), 17 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:46,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:46,899 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:46,900 INFO L185 Difference]: Start difference. First operand has 189 places, 856 transitions, 34972 flow. Second operand 17 states and 683 transitions. [2021-03-25 19:47:46,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 918 transitions, 38397 flow [2021-03-25 19:47:47,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 918 transitions, 37839 flow, removed 46 selfloop flow, removed 5 redundant places. [2021-03-25 19:47:47,264 INFO L241 Difference]: Finished difference. Result has 200 places, 852 transitions, 35105 flow [2021-03-25 19:47:47,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=34445, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=688, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=35105, PETRI_PLACES=200, PETRI_TRANSITIONS=852} [2021-03-25 19:47:47,264 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 160 predicate places. [2021-03-25 19:47:47,264 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:47,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 200 places, 852 transitions, 35105 flow [2021-03-25 19:47:47,265 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 200 places, 852 transitions, 35105 flow [2021-03-25 19:47:47,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 200 places, 852 transitions, 35105 flow [2021-03-25 19:47:47,825 INFO L129 PetriNetUnfolder]: 666/2157 cut-off events. [2021-03-25 19:47:47,825 INFO L130 PetriNetUnfolder]: For 95985/96338 co-relation queries the response was YES. [2021-03-25 19:47:47,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33476 conditions, 2157 events. 666/2157 cut-off events. For 95985/96338 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 21497 event pairs, 1 based on Foata normal form. 71/2225 useless extension candidates. Maximal degree in co-relation 33287. Up to 844 conditions per place. [2021-03-25 19:47:47,850 INFO L142 LiptonReduction]: Number of co-enabled transitions 784 [2021-03-25 19:47:48,143 INFO L154 LiptonReduction]: Checked pairs total: 44 [2021-03-25 19:47:48,144 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 19:47:48,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 880 [2021-03-25 19:47:48,144 INFO L480 AbstractCegarLoop]: Abstraction has has 200 places, 851 transitions, 35080 flow [2021-03-25 19:47:48,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:48,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:48,145 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:48,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-25 19:47:48,145 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:48,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:48,145 INFO L82 PathProgramCache]: Analyzing trace with hash -400715651, now seen corresponding path program 6 times [2021-03-25 19:47:48,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:48,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077360589] [2021-03-25 19:47:48,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:48,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:48,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:48,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:48,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:48,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:48,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:48,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:48,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:48,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:48,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:48,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:48,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:48,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:48,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:48,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:48,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:48,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077360589] [2021-03-25 19:47:48,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:48,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 19:47:48,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844711697] [2021-03-25 19:47:48,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:47:48,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:48,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:47:48,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:47:48,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:48,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 851 transitions, 35080 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:48,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:48,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:48,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:49,435 INFO L129 PetriNetUnfolder]: 714/2308 cut-off events. [2021-03-25 19:47:49,435 INFO L130 PetriNetUnfolder]: For 99079/99440 co-relation queries the response was YES. [2021-03-25 19:47:49,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37466 conditions, 2308 events. 714/2308 cut-off events. For 99079/99440 co-relation queries the response was YES. Maximal size of possible extension queue 345. Compared 22975 event pairs, 8 based on Foata normal form. 78/2383 useless extension candidates. Maximal degree in co-relation 37254. Up to 870 conditions per place. [2021-03-25 19:47:49,451 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 191 selfloop transitions, 661 changer transitions 25/888 dead transitions. [2021-03-25 19:47:49,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 888 transitions, 37416 flow [2021-03-25 19:47:49,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 19:47:49,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 19:47:49,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 487 transitions. [2021-03-25 19:47:49,461 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4018151815181518 [2021-03-25 19:47:49,461 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 487 transitions. [2021-03-25 19:47:49,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 487 transitions. [2021-03-25 19:47:49,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:49,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 487 transitions. [2021-03-25 19:47:49,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 40.583333333333336) internal successors, (487), 12 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:49,462 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) [2021-03-25 19:47:49,462 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) [2021-03-25 19:47:49,462 INFO L185 Difference]: Start difference. First operand has 200 places, 851 transitions, 35080 flow. Second operand 12 states and 487 transitions. [2021-03-25 19:47:49,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 888 transitions, 37416 flow [2021-03-25 19:47:49,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 888 transitions, 36190 flow, removed 3 selfloop flow, removed 9 redundant places. [2021-03-25 19:47:49,760 INFO L241 Difference]: Finished difference. Result has 202 places, 838 transitions, 34118 flow [2021-03-25 19:47:49,761 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=33387, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=841, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=643, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34118, PETRI_PLACES=202, PETRI_TRANSITIONS=838} [2021-03-25 19:47:49,761 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 162 predicate places. [2021-03-25 19:47:49,761 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:49,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 838 transitions, 34118 flow [2021-03-25 19:47:49,761 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 838 transitions, 34118 flow [2021-03-25 19:47:49,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 838 transitions, 34118 flow [2021-03-25 19:47:50,222 INFO L129 PetriNetUnfolder]: 627/2083 cut-off events. [2021-03-25 19:47:50,222 INFO L130 PetriNetUnfolder]: For 93708/94152 co-relation queries the response was YES. [2021-03-25 19:47:50,228 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31621 conditions, 2083 events. 627/2083 cut-off events. For 93708/94152 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 20795 event pairs, 1 based on Foata normal form. 73/2153 useless extension candidates. Maximal degree in co-relation 31420. Up to 798 conditions per place. [2021-03-25 19:47:50,242 INFO L142 LiptonReduction]: Number of co-enabled transitions 764 [2021-03-25 19:47:50,382 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:50,382 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:50,382 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 621 [2021-03-25 19:47:50,382 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 838 transitions, 34118 flow [2021-03-25 19:47:50,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:50,383 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:50,383 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] [2021-03-25 19:47:50,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-25 19:47:50,383 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:50,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:50,383 INFO L82 PathProgramCache]: Analyzing trace with hash 508219943, now seen corresponding path program 7 times [2021-03-25 19:47:50,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:50,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398382020] [2021-03-25 19:47:50,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:50,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:50,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:50,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:50,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:50,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:50,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:50,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:50,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:50,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:50,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:50,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:50,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398382020] [2021-03-25 19:47:50,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:50,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 19:47:50,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157980878] [2021-03-25 19:47:50,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:47:50,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:50,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:47:50,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:47:50,426 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:50,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 838 transitions, 34118 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:50,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:50,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:50,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:51,452 INFO L129 PetriNetUnfolder]: 685/2224 cut-off events. [2021-03-25 19:47:51,453 INFO L130 PetriNetUnfolder]: For 94856/95221 co-relation queries the response was YES. [2021-03-25 19:47:51,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35609 conditions, 2224 events. 685/2224 cut-off events. For 94856/95221 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 21914 event pairs, 4 based on Foata normal form. 48/2269 useless extension candidates. Maximal degree in co-relation 35392. Up to 832 conditions per place. [2021-03-25 19:47:51,467 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 129 selfloop transitions, 718 changer transitions 9/867 dead transitions. [2021-03-25 19:47:51,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 867 transitions, 36354 flow [2021-03-25 19:47:51,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 19:47:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 19:47:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 489 transitions. [2021-03-25 19:47:51,468 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4034653465346535 [2021-03-25 19:47:51,469 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 489 transitions. [2021-03-25 19:47:51,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 489 transitions. [2021-03-25 19:47:51,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:51,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 489 transitions. [2021-03-25 19:47:51,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 40.75) internal successors, (489), 12 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:51,470 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) [2021-03-25 19:47:51,470 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) [2021-03-25 19:47:51,470 INFO L185 Difference]: Start difference. First operand has 202 places, 838 transitions, 34118 flow. Second operand 12 states and 489 transitions. [2021-03-25 19:47:51,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 867 transitions, 36354 flow [2021-03-25 19:47:51,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 867 transitions, 35158 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-25 19:47:51,756 INFO L241 Difference]: Finished difference. Result has 205 places, 844 transitions, 34382 flow [2021-03-25 19:47:51,756 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=32910, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=705, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=34382, PETRI_PLACES=205, PETRI_TRANSITIONS=844} [2021-03-25 19:47:51,757 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 165 predicate places. [2021-03-25 19:47:51,757 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:51,757 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 844 transitions, 34382 flow [2021-03-25 19:47:51,757 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 844 transitions, 34382 flow [2021-03-25 19:47:51,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 844 transitions, 34382 flow [2021-03-25 19:47:52,216 INFO L129 PetriNetUnfolder]: 617/2089 cut-off events. [2021-03-25 19:47:52,216 INFO L130 PetriNetUnfolder]: For 90334/91002 co-relation queries the response was YES. [2021-03-25 19:47:52,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31945 conditions, 2089 events. 617/2089 cut-off events. For 90334/91002 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 20885 event pairs, 1 based on Foata normal form. 73/2158 useless extension candidates. Maximal degree in co-relation 31729. Up to 791 conditions per place. [2021-03-25 19:47:52,234 INFO L142 LiptonReduction]: Number of co-enabled transitions 786 [2021-03-25 19:47:52,388 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:52,388 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:52,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 631 [2021-03-25 19:47:52,388 INFO L480 AbstractCegarLoop]: Abstraction has has 205 places, 844 transitions, 34382 flow [2021-03-25 19:47:52,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:52,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:52,388 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:52,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-25 19:47:52,388 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:52,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:52,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2035564207, now seen corresponding path program 8 times [2021-03-25 19:47:52,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:52,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528666907] [2021-03-25 19:47:52,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:52,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:52,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:52,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:52,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:52,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:52,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:52,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:52,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:52,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:52,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:52,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:52,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:52,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528666907] [2021-03-25 19:47:52,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:52,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 19:47:52,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038847878] [2021-03-25 19:47:52,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 19:47:52,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:52,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 19:47:52,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-25 19:47:52,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:52,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 844 transitions, 34382 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:52,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:52,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:52,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:53,594 INFO L129 PetriNetUnfolder]: 678/2219 cut-off events. [2021-03-25 19:47:53,595 INFO L130 PetriNetUnfolder]: For 90998/91222 co-relation queries the response was YES. [2021-03-25 19:47:53,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35909 conditions, 2219 events. 678/2219 cut-off events. For 90998/91222 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 21803 event pairs, 4 based on Foata normal form. 25/2242 useless extension candidates. Maximal degree in co-relation 35689. Up to 825 conditions per place. [2021-03-25 19:47:53,615 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 134 selfloop transitions, 701 changer transitions 20/866 dead transitions. [2021-03-25 19:47:53,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 866 transitions, 36486 flow [2021-03-25 19:47:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 19:47:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 19:47:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 526 transitions. [2021-03-25 19:47:53,617 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4006092916984006 [2021-03-25 19:47:53,617 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 526 transitions. [2021-03-25 19:47:53,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 526 transitions. [2021-03-25 19:47:53,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:53,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 526 transitions. [2021-03-25 19:47:53,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 40.46153846153846) internal successors, (526), 13 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:53,619 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) [2021-03-25 19:47:53,619 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) [2021-03-25 19:47:53,619 INFO L185 Difference]: Start difference. First operand has 205 places, 844 transitions, 34382 flow. Second operand 13 states and 526 transitions. [2021-03-25 19:47:53,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 866 transitions, 36486 flow [2021-03-25 19:47:53,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 866 transitions, 36213 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-25 19:47:53,948 INFO L241 Difference]: Finished difference. Result has 213 places, 827 transitions, 34453 flow [2021-03-25 19:47:53,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=34112, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=844, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=698, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=34453, PETRI_PLACES=213, PETRI_TRANSITIONS=827} [2021-03-25 19:47:53,949 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 173 predicate places. [2021-03-25 19:47:53,949 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:53,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 827 transitions, 34453 flow [2021-03-25 19:47:53,949 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 827 transitions, 34453 flow [2021-03-25 19:47:53,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 827 transitions, 34453 flow [2021-03-25 19:47:54,401 INFO L129 PetriNetUnfolder]: 599/2049 cut-off events. [2021-03-25 19:47:54,402 INFO L130 PetriNetUnfolder]: For 91818/92504 co-relation queries the response was YES. [2021-03-25 19:47:54,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32220 conditions, 2049 events. 599/2049 cut-off events. For 91818/92504 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 20645 event pairs, 1 based on Foata normal form. 74/2119 useless extension candidates. Maximal degree in co-relation 32012. Up to 774 conditions per place. [2021-03-25 19:47:54,423 INFO L142 LiptonReduction]: Number of co-enabled transitions 792 [2021-03-25 19:47:54,761 INFO L154 LiptonReduction]: Checked pairs total: 45 [2021-03-25 19:47:54,761 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 19:47:54,761 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 812 [2021-03-25 19:47:54,762 INFO L480 AbstractCegarLoop]: Abstraction has has 213 places, 826 transitions, 34426 flow [2021-03-25 19:47:54,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:54,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:54,762 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:54,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-25 19:47:54,762 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:54,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:54,762 INFO L82 PathProgramCache]: Analyzing trace with hash 2115143193, now seen corresponding path program 9 times [2021-03-25 19:47:54,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:54,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142803492] [2021-03-25 19:47:54,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:54,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:54,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:54,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:54,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:54,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:54,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:54,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:54,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:54,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:54,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:54,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:54,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142803492] [2021-03-25 19:47:54,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:54,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 19:47:54,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162388417] [2021-03-25 19:47:54,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 19:47:54,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:54,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 19:47:54,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 19:47:54,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:54,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 826 transitions, 34426 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:54,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:54,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:54,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:56,138 INFO L129 PetriNetUnfolder]: 652/2169 cut-off events. [2021-03-25 19:47:56,138 INFO L130 PetriNetUnfolder]: For 90018/90245 co-relation queries the response was YES. [2021-03-25 19:47:56,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35688 conditions, 2169 events. 652/2169 cut-off events. For 90018/90245 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 21450 event pairs, 4 based on Foata normal form. 25/2192 useless extension candidates. Maximal degree in co-relation 35463. Up to 791 conditions per place. [2021-03-25 19:47:56,155 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 136 selfloop transitions, 675 changer transitions 17/839 dead transitions. [2021-03-25 19:47:56,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 839 transitions, 35813 flow [2021-03-25 19:47:56,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 19:47:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 19:47:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 662 transitions. [2021-03-25 19:47:56,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38555620267909146 [2021-03-25 19:47:56,156 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 662 transitions. [2021-03-25 19:47:56,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 662 transitions. [2021-03-25 19:47:56,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:56,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 662 transitions. [2021-03-25 19:47:56,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 38.94117647058823) internal successors, (662), 17 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) [2021-03-25 19:47:56,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:56,159 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:56,159 INFO L185 Difference]: Start difference. First operand has 213 places, 826 transitions, 34426 flow. Second operand 17 states and 662 transitions. [2021-03-25 19:47:56,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 839 transitions, 35813 flow [2021-03-25 19:47:56,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 839 transitions, 34855 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-25 19:47:56,561 INFO L241 Difference]: Finished difference. Result has 221 places, 801 transitions, 33518 flow [2021-03-25 19:47:56,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=32790, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=814, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=672, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=33518, PETRI_PLACES=221, PETRI_TRANSITIONS=801} [2021-03-25 19:47:56,562 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 181 predicate places. [2021-03-25 19:47:56,562 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:56,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 801 transitions, 33518 flow [2021-03-25 19:47:56,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 801 transitions, 33518 flow [2021-03-25 19:47:56,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 801 transitions, 33518 flow [2021-03-25 19:47:57,147 INFO L129 PetriNetUnfolder]: 582/2009 cut-off events. [2021-03-25 19:47:57,147 INFO L130 PetriNetUnfolder]: For 88014/88452 co-relation queries the response was YES. [2021-03-25 19:47:57,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31686 conditions, 2009 events. 582/2009 cut-off events. For 88014/88452 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 20123 event pairs, 1 based on Foata normal form. 74/2081 useless extension candidates. Maximal degree in co-relation 31465. Up to 737 conditions per place. [2021-03-25 19:47:57,165 INFO L142 LiptonReduction]: Number of co-enabled transitions 796 [2021-03-25 19:47:57,293 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:57,294 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:57,294 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 732 [2021-03-25 19:47:57,294 INFO L480 AbstractCegarLoop]: Abstraction has has 221 places, 801 transitions, 33518 flow [2021-03-25 19:47:57,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:57,294 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:57,294 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] [2021-03-25 19:47:57,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-25 19:47:57,294 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:57,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:57,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1311056526, now seen corresponding path program 7 times [2021-03-25 19:47:57,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:57,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475806512] [2021-03-25 19:47:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:57,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:57,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:57,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:57,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:57,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:57,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:57,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:57,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:57,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:57,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:57,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:57,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:57,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475806512] [2021-03-25 19:47:57,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:57,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:47:57,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29094785] [2021-03-25 19:47:57,333 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:47:57,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:57,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:47:57,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:47:57,335 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:57,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 801 transitions, 33518 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:57,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:57,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:57,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:47:58,297 INFO L129 PetriNetUnfolder]: 601/2058 cut-off events. [2021-03-25 19:47:58,298 INFO L130 PetriNetUnfolder]: For 91845/92075 co-relation queries the response was YES. [2021-03-25 19:47:58,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34451 conditions, 2058 events. 601/2058 cut-off events. For 91845/92075 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 20424 event pairs, 8 based on Foata normal form. 76/2131 useless extension candidates. Maximal degree in co-relation 34242. Up to 732 conditions per place. [2021-03-25 19:47:58,311 INFO L132 encePairwiseOnDemand]: 71/101 looper letters, 192 selfloop transitions, 560 changer transitions 61/824 dead transitions. [2021-03-25 19:47:58,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 824 transitions, 35401 flow [2021-03-25 19:47:58,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:47:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:47:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 382 transitions. [2021-03-25 19:47:58,312 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42024202420242024 [2021-03-25 19:47:58,312 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 382 transitions. [2021-03-25 19:47:58,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 382 transitions. [2021-03-25 19:47:58,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:47:58,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 382 transitions. [2021-03-25 19:47:58,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 42.44444444444444) internal successors, (382), 9 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:58,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:58,313 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:58,313 INFO L185 Difference]: Start difference. First operand has 221 places, 801 transitions, 33518 flow. Second operand 9 states and 382 transitions. [2021-03-25 19:47:58,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 824 transitions, 35401 flow [2021-03-25 19:47:58,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 824 transitions, 33781 flow, removed 3 selfloop flow, removed 15 redundant places. [2021-03-25 19:47:58,576 INFO L241 Difference]: Finished difference. Result has 214 places, 740 transitions, 29868 flow [2021-03-25 19:47:58,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=31034, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=782, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=553, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=29868, PETRI_PLACES=214, PETRI_TRANSITIONS=740} [2021-03-25 19:47:58,576 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 174 predicate places. [2021-03-25 19:47:58,577 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:47:58,577 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 740 transitions, 29868 flow [2021-03-25 19:47:58,577 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 740 transitions, 29868 flow [2021-03-25 19:47:58,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 214 places, 740 transitions, 29868 flow [2021-03-25 19:47:58,926 INFO L129 PetriNetUnfolder]: 503/1791 cut-off events. [2021-03-25 19:47:58,926 INFO L130 PetriNetUnfolder]: For 77701/77898 co-relation queries the response was YES. [2021-03-25 19:47:58,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26813 conditions, 1791 events. 503/1791 cut-off events. For 77701/77898 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 17488 event pairs, 1 based on Foata normal form. 26/1815 useless extension candidates. Maximal degree in co-relation 26587. Up to 636 conditions per place. [2021-03-25 19:47:58,942 INFO L142 LiptonReduction]: Number of co-enabled transitions 734 [2021-03-25 19:47:59,052 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:47:59,053 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:47:59,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 476 [2021-03-25 19:47:59,053 INFO L480 AbstractCegarLoop]: Abstraction has has 214 places, 740 transitions, 29868 flow [2021-03-25 19:47:59,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:59,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:47:59,053 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:47:59,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-25 19:47:59,054 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:47:59,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:47:59,054 INFO L82 PathProgramCache]: Analyzing trace with hash 784345123, now seen corresponding path program 2 times [2021-03-25 19:47:59,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:47:59,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166122182] [2021-03-25 19:47:59,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:47:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:47:59,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:47:59,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:59,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:59,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:59,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:59,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:59,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:59,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:59,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:47:59,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:47:59,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:47:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:47:59,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166122182] [2021-03-25 19:47:59,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:47:59,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 19:47:59,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915365442] [2021-03-25 19:47:59,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:47:59,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:47:59,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:47:59,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:47:59,096 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:47:59,096 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 740 transitions, 29868 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:47:59,096 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:47:59,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:47:59,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:00,039 INFO L129 PetriNetUnfolder]: 537/1909 cut-off events. [2021-03-25 19:48:00,039 INFO L130 PetriNetUnfolder]: For 89634/89862 co-relation queries the response was YES. [2021-03-25 19:48:00,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30934 conditions, 1909 events. 537/1909 cut-off events. For 89634/89862 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 18913 event pairs, 8 based on Foata normal form. 78/1984 useless extension candidates. Maximal degree in co-relation 30727. Up to 684 conditions per place. [2021-03-25 19:48:00,052 INFO L132 encePairwiseOnDemand]: 73/101 looper letters, 194 selfloop transitions, 557 changer transitions 60/822 dead transitions. [2021-03-25 19:48:00,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 822 transitions, 34262 flow [2021-03-25 19:48:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 19:48:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 19:48:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 496 transitions. [2021-03-25 19:48:00,053 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40924092409240925 [2021-03-25 19:48:00,053 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 496 transitions. [2021-03-25 19:48:00,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 496 transitions. [2021-03-25 19:48:00,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:00,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 496 transitions. [2021-03-25 19:48:00,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 41.333333333333336) internal successors, (496), 12 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:00,054 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) [2021-03-25 19:48:00,055 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) [2021-03-25 19:48:00,055 INFO L185 Difference]: Start difference. First operand has 214 places, 740 transitions, 29868 flow. Second operand 12 states and 496 transitions. [2021-03-25 19:48:00,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 822 transitions, 34262 flow [2021-03-25 19:48:00,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 822 transitions, 33701 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-25 19:48:00,325 INFO L241 Difference]: Finished difference. Result has 221 places, 733 transitions, 29774 flow [2021-03-25 19:48:00,325 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=29196, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=515, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=29774, PETRI_PLACES=221, PETRI_TRANSITIONS=733} [2021-03-25 19:48:00,325 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 181 predicate places. [2021-03-25 19:48:00,325 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:00,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 733 transitions, 29774 flow [2021-03-25 19:48:00,326 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 733 transitions, 29774 flow [2021-03-25 19:48:00,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 221 places, 733 transitions, 29774 flow [2021-03-25 19:48:00,624 INFO L129 PetriNetUnfolder]: 462/1611 cut-off events. [2021-03-25 19:48:00,624 INFO L130 PetriNetUnfolder]: For 79674/79774 co-relation queries the response was YES. [2021-03-25 19:48:00,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23521 conditions, 1611 events. 462/1611 cut-off events. For 79674/79774 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 15256 event pairs, 1 based on Foata normal form. 21/1631 useless extension candidates. Maximal degree in co-relation 23301. Up to 552 conditions per place. [2021-03-25 19:48:00,640 INFO L142 LiptonReduction]: Number of co-enabled transitions 714 [2021-03-25 19:48:00,735 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:48:00,735 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:48:00,735 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 410 [2021-03-25 19:48:00,735 INFO L480 AbstractCegarLoop]: Abstraction has has 221 places, 733 transitions, 29774 flow [2021-03-25 19:48:00,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:00,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:48:00,736 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] [2021-03-25 19:48:00,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-25 19:48:00,736 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:48:00,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:48:00,736 INFO L82 PathProgramCache]: Analyzing trace with hash -2071979470, now seen corresponding path program 8 times [2021-03-25 19:48:00,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:48:00,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745748208] [2021-03-25 19:48:00,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:48:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:48:00,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:48:00,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:00,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:00,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:00,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:00,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:00,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:00,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:00,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:00,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:00,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:48:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:48:00,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745748208] [2021-03-25 19:48:00,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:48:00,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 19:48:00,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703693183] [2021-03-25 19:48:00,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 19:48:00,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:48:00,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 19:48:00,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 19:48:00,798 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:48:00,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 733 transitions, 29774 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:00,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:48:00,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:48:00,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:01,776 INFO L129 PetriNetUnfolder]: 506/1703 cut-off events. [2021-03-25 19:48:01,776 INFO L130 PetriNetUnfolder]: For 84179/84564 co-relation queries the response was YES. [2021-03-25 19:48:01,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26849 conditions, 1703 events. 506/1703 cut-off events. For 84179/84564 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 16075 event pairs, 4 based on Foata normal form. 59/1758 useless extension candidates. Maximal degree in co-relation 26650. Up to 589 conditions per place. [2021-03-25 19:48:01,787 INFO L132 encePairwiseOnDemand]: 73/101 looper letters, 132 selfloop transitions, 600 changer transitions 55/798 dead transitions. [2021-03-25 19:48:01,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 798 transitions, 33094 flow [2021-03-25 19:48:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 19:48:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 19:48:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 677 transitions. [2021-03-25 19:48:01,789 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39429237041351195 [2021-03-25 19:48:01,789 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 677 transitions. [2021-03-25 19:48:01,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 677 transitions. [2021-03-25 19:48:01,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:01,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 677 transitions. [2021-03-25 19:48:01,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 39.8235294117647) internal successors, (677), 17 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) [2021-03-25 19:48:01,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:01,791 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 101.0) internal successors, (1818), 18 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:01,791 INFO L185 Difference]: Start difference. First operand has 221 places, 733 transitions, 29774 flow. Second operand 17 states and 677 transitions. [2021-03-25 19:48:01,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 798 transitions, 33094 flow [2021-03-25 19:48:01,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 798 transitions, 33002 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 19:48:02,000 INFO L241 Difference]: Finished difference. Result has 235 places, 722 transitions, 29915 flow [2021-03-25 19:48:02,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=29658, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=568, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=29915, PETRI_PLACES=235, PETRI_TRANSITIONS=722} [2021-03-25 19:48:02,001 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 195 predicate places. [2021-03-25 19:48:02,001 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:02,001 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 722 transitions, 29915 flow [2021-03-25 19:48:02,001 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 722 transitions, 29915 flow [2021-03-25 19:48:02,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 722 transitions, 29915 flow [2021-03-25 19:48:02,275 INFO L129 PetriNetUnfolder]: 435/1497 cut-off events. [2021-03-25 19:48:02,276 INFO L130 PetriNetUnfolder]: For 80538/80591 co-relation queries the response was YES. [2021-03-25 19:48:02,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22283 conditions, 1497 events. 435/1497 cut-off events. For 80538/80591 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 13915 event pairs, 1 based on Foata normal form. 14/1511 useless extension candidates. Maximal degree in co-relation 22070. Up to 541 conditions per place. [2021-03-25 19:48:02,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-25 19:48:02,402 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:48:02,402 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:48:02,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 401 [2021-03-25 19:48:02,402 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 722 transitions, 29915 flow [2021-03-25 19:48:02,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:02,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:48:02,403 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] [2021-03-25 19:48:02,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-25 19:48:02,403 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:48:02,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:48:02,403 INFO L82 PathProgramCache]: Analyzing trace with hash -786067021, now seen corresponding path program 10 times [2021-03-25 19:48:02,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:48:02,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380132065] [2021-03-25 19:48:02,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:48:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:48:02,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:02,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:48:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:02,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:02,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:02,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:02,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:02,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:02,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:02,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:02,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:02,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:02,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:02,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:02,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:02,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:48:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:48:02,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380132065] [2021-03-25 19:48:02,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:48:02,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 19:48:02,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068566066] [2021-03-25 19:48:02,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:48:02,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:48:02,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:48:02,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:48:02,446 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:48:02,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 722 transitions, 29915 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:02,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:48:02,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:48:02,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:03,208 INFO L129 PetriNetUnfolder]: 438/1495 cut-off events. [2021-03-25 19:48:03,209 INFO L130 PetriNetUnfolder]: For 80853/80889 co-relation queries the response was YES. [2021-03-25 19:48:03,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24204 conditions, 1495 events. 438/1495 cut-off events. For 80853/80889 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 13851 event pairs, 4 based on Foata normal form. 24/1517 useless extension candidates. Maximal degree in co-relation 24013. Up to 499 conditions per place. [2021-03-25 19:48:03,219 INFO L132 encePairwiseOnDemand]: 73/101 looper letters, 118 selfloop transitions, 568 changer transitions 19/716 dead transitions. [2021-03-25 19:48:03,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 716 transitions, 30972 flow [2021-03-25 19:48:03,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 19:48:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 19:48:03,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 402 transitions. [2021-03-25 19:48:03,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39801980198019804 [2021-03-25 19:48:03,221 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 402 transitions. [2021-03-25 19:48:03,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 402 transitions. [2021-03-25 19:48:03,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:03,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 402 transitions. [2021-03-25 19:48:03,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 40.2) internal successors, (402), 10 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:03,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 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) [2021-03-25 19:48:03,222 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 101.0) internal successors, (1111), 11 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) [2021-03-25 19:48:03,222 INFO L185 Difference]: Start difference. First operand has 235 places, 722 transitions, 29915 flow. Second operand 10 states and 402 transitions. [2021-03-25 19:48:03,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 716 transitions, 30972 flow [2021-03-25 19:48:03,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 716 transitions, 30924 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-25 19:48:03,409 INFO L241 Difference]: Finished difference. Result has 242 places, 690 transitions, 29631 flow [2021-03-25 19:48:03,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=28877, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=564, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=29631, PETRI_PLACES=242, PETRI_TRANSITIONS=690} [2021-03-25 19:48:03,409 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 202 predicate places. [2021-03-25 19:48:03,409 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:03,409 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 242 places, 690 transitions, 29631 flow [2021-03-25 19:48:03,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 242 places, 690 transitions, 29631 flow [2021-03-25 19:48:03,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 242 places, 690 transitions, 29631 flow [2021-03-25 19:48:03,671 INFO L129 PetriNetUnfolder]: 392/1400 cut-off events. [2021-03-25 19:48:03,671 INFO L130 PetriNetUnfolder]: For 77301/77358 co-relation queries the response was YES. [2021-03-25 19:48:03,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21760 conditions, 1400 events. 392/1400 cut-off events. For 77301/77358 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 13054 event pairs, 1 based on Foata normal form. 16/1416 useless extension candidates. Maximal degree in co-relation 21547. Up to 499 conditions per place. [2021-03-25 19:48:03,683 INFO L142 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-25 19:48:03,770 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:48:03,770 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:48:03,770 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 361 [2021-03-25 19:48:03,770 INFO L480 AbstractCegarLoop]: Abstraction has has 242 places, 690 transitions, 29631 flow [2021-03-25 19:48:03,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:03,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:48:03,771 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:48:03,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-25 19:48:03,771 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:48:03,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:48:03,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1672157795, now seen corresponding path program 11 times [2021-03-25 19:48:03,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:48:03,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454437444] [2021-03-25 19:48:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:48:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:48:03,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:03,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:48:03,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:03,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:03,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:03,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:03,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:03,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:03,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:03,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:03,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:03,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:03,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:03,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:48:03,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:48:03,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454437444] [2021-03-25 19:48:03,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:48:03,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:48:03,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352511306] [2021-03-25 19:48:03,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:48:03,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:48:03,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:48:03,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:48:03,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:48:03,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 690 transitions, 29631 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:03,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:48:03,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:48:03,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:04,404 INFO L129 PetriNetUnfolder]: 307/1229 cut-off events. [2021-03-25 19:48:04,404 INFO L130 PetriNetUnfolder]: For 73768/73806 co-relation queries the response was YES. [2021-03-25 19:48:04,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20537 conditions, 1229 events. 307/1229 cut-off events. For 73768/73806 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 11498 event pairs, 5 based on Foata normal form. 71/1298 useless extension candidates. Maximal degree in co-relation 20353. Up to 385 conditions per place. [2021-03-25 19:48:04,412 INFO L132 encePairwiseOnDemand]: 74/101 looper letters, 170 selfloop transitions, 382 changer transitions 47/610 dead transitions. [2021-03-25 19:48:04,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 610 transitions, 26879 flow [2021-03-25 19:48:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:48:04,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:48:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 363 transitions. [2021-03-25 19:48:04,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39933993399339934 [2021-03-25 19:48:04,414 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 363 transitions. [2021-03-25 19:48:04,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 363 transitions. [2021-03-25 19:48:04,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:04,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 363 transitions. [2021-03-25 19:48:04,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 40.333333333333336) internal successors, (363), 9 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:04,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:04,415 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:04,415 INFO L185 Difference]: Start difference. First operand has 242 places, 690 transitions, 29631 flow. Second operand 9 states and 363 transitions. [2021-03-25 19:48:04,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 610 transitions, 26879 flow [2021-03-25 19:48:04,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 610 transitions, 26242 flow, removed 27 selfloop flow, removed 5 redundant places. [2021-03-25 19:48:04,608 INFO L241 Difference]: Finished difference. Result has 245 places, 557 transitions, 23055 flow [2021-03-25 19:48:04,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=24888, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=382, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=23055, PETRI_PLACES=245, PETRI_TRANSITIONS=557} [2021-03-25 19:48:04,608 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 205 predicate places. [2021-03-25 19:48:04,608 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:04,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 557 transitions, 23055 flow [2021-03-25 19:48:04,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 557 transitions, 23055 flow [2021-03-25 19:48:04,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 245 places, 557 transitions, 23055 flow [2021-03-25 19:48:04,787 INFO L129 PetriNetUnfolder]: 267/1077 cut-off events. [2021-03-25 19:48:04,787 INFO L130 PetriNetUnfolder]: For 53735/53786 co-relation queries the response was YES. [2021-03-25 19:48:04,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16406 conditions, 1077 events. 267/1077 cut-off events. For 53735/53786 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 9910 event pairs, 1 based on Foata normal form. 4/1080 useless extension candidates. Maximal degree in co-relation 16218. Up to 324 conditions per place. [2021-03-25 19:48:04,796 INFO L142 LiptonReduction]: Number of co-enabled transitions 630 [2021-03-25 19:48:04,844 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:48:04,844 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:48:04,844 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 236 [2021-03-25 19:48:04,845 INFO L480 AbstractCegarLoop]: Abstraction has has 245 places, 557 transitions, 23055 flow [2021-03-25 19:48:04,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:04,845 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:48:04,845 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:48:04,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-25 19:48:04,845 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:48:04,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:48:04,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1970571761, now seen corresponding path program 10 times [2021-03-25 19:48:04,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:48:04,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512825883] [2021-03-25 19:48:04,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:48:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:48:04,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:48:04,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:04,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:04,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:04,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:04,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:04,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:04,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:04,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:04,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:04,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:48:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:48:04,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512825883] [2021-03-25 19:48:04,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:48:04,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 19:48:04,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068238777] [2021-03-25 19:48:04,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:48:04,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:48:04,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:48:04,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:48:04,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:48:04,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 557 transitions, 23055 flow. Second operand has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:04,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:48:04,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:48:04,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:05,277 INFO L129 PetriNetUnfolder]: 213/869 cut-off events. [2021-03-25 19:48:05,277 INFO L130 PetriNetUnfolder]: For 58489/58527 co-relation queries the response was YES. [2021-03-25 19:48:05,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14912 conditions, 869 events. 213/869 cut-off events. For 58489/58527 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 7396 event pairs, 8 based on Foata normal form. 45/913 useless extension candidates. Maximal degree in co-relation 14796. Up to 410 conditions per place. [2021-03-25 19:48:05,283 INFO L132 encePairwiseOnDemand]: 76/101 looper letters, 199 selfloop transitions, 175 changer transitions 57/442 dead transitions. [2021-03-25 19:48:05,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 442 transitions, 19092 flow [2021-03-25 19:48:05,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 19:48:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 19:48:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 311 transitions. [2021-03-25 19:48:05,283 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3849009900990099 [2021-03-25 19:48:05,284 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 311 transitions. [2021-03-25 19:48:05,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 311 transitions. [2021-03-25 19:48:05,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:05,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 311 transitions. [2021-03-25 19:48:05,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 38.875) internal successors, (311), 8 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:05,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:48:05,285 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 101.0) internal successors, (909), 9 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) [2021-03-25 19:48:05,285 INFO L185 Difference]: Start difference. First operand has 245 places, 557 transitions, 23055 flow. Second operand 8 states and 311 transitions. [2021-03-25 19:48:05,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 442 transitions, 19092 flow [2021-03-25 19:48:05,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 442 transitions, 18903 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-25 19:48:05,414 INFO L241 Difference]: Finished difference. Result has 249 places, 383 transitions, 15188 flow [2021-03-25 19:48:05,414 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=17703, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15188, PETRI_PLACES=249, PETRI_TRANSITIONS=383} [2021-03-25 19:48:05,414 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 209 predicate places. [2021-03-25 19:48:05,414 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:05,414 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 383 transitions, 15188 flow [2021-03-25 19:48:05,414 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 383 transitions, 15188 flow [2021-03-25 19:48:05,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 383 transitions, 15188 flow [2021-03-25 19:48:05,508 INFO L129 PetriNetUnfolder]: 169/684 cut-off events. [2021-03-25 19:48:05,509 INFO L130 PetriNetUnfolder]: For 34851/34888 co-relation queries the response was YES. [2021-03-25 19:48:05,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10214 conditions, 684 events. 169/684 cut-off events. For 34851/34888 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5386 event pairs, 1 based on Foata normal form. 5/688 useless extension candidates. Maximal degree in co-relation 10099. Up to 203 conditions per place. [2021-03-25 19:48:05,514 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-25 19:48:05,538 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:48:05,538 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:48:05,538 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-03-25 19:48:05,538 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 383 transitions, 15188 flow [2021-03-25 19:48:05,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 31.714285714285715) internal successors, (222), 7 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:05,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:48:05,538 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] [2021-03-25 19:48:05,538 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-25 19:48:05,538 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:48:05,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:48:05,539 INFO L82 PathProgramCache]: Analyzing trace with hash 541270460, now seen corresponding path program 9 times [2021-03-25 19:48:05,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:48:05,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394766335] [2021-03-25 19:48:05,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:48:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:48:05,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:05,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:48:05,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:05,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:05,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:05,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:05,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:05,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:05,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:05,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:05,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:05,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:05,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:05,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:05,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:05,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:05,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:05,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:48:05,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:48:05,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394766335] [2021-03-25 19:48:05,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:48:05,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 19:48:05,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572158087] [2021-03-25 19:48:05,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 19:48:05,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:48:05,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 19:48:05,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-03-25 19:48:05,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:48:05,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 383 transitions, 15188 flow. Second operand has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:05,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:48:05,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:48:05,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:05,964 INFO L129 PetriNetUnfolder]: 151/652 cut-off events. [2021-03-25 19:48:05,964 INFO L130 PetriNetUnfolder]: For 34336/34374 co-relation queries the response was YES. [2021-03-25 19:48:05,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10589 conditions, 652 events. 151/652 cut-off events. For 34336/34374 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 5131 event pairs, 4 based on Foata normal form. 20/671 useless extension candidates. Maximal degree in co-relation 10474. Up to 229 conditions per place. [2021-03-25 19:48:05,968 INFO L132 encePairwiseOnDemand]: 78/101 looper letters, 105 selfloop transitions, 216 changer transitions 35/367 dead transitions. [2021-03-25 19:48:05,968 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 367 transitions, 15329 flow [2021-03-25 19:48:05,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 19:48:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 19:48:05,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 486 transitions. [2021-03-25 19:48:05,969 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37014470677837014 [2021-03-25 19:48:05,969 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 486 transitions. [2021-03-25 19:48:05,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 486 transitions. [2021-03-25 19:48:05,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:05,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 486 transitions. [2021-03-25 19:48:05,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 37.38461538461539) internal successors, (486), 13 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:05,973 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) [2021-03-25 19:48:05,973 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) [2021-03-25 19:48:05,973 INFO L185 Difference]: Start difference. First operand has 249 places, 383 transitions, 15188 flow. Second operand 13 states and 486 transitions. [2021-03-25 19:48:05,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 367 transitions, 15329 flow [2021-03-25 19:48:06,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 367 transitions, 14272 flow, removed 31 selfloop flow, removed 14 redundant places. [2021-03-25 19:48:06,068 INFO L241 Difference]: Finished difference. Result has 247 places, 329 transitions, 12086 flow [2021-03-25 19:48:06,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=13411, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=12086, PETRI_PLACES=247, PETRI_TRANSITIONS=329} [2021-03-25 19:48:06,069 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 207 predicate places. [2021-03-25 19:48:06,069 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:06,069 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 247 places, 329 transitions, 12086 flow [2021-03-25 19:48:06,069 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 247 places, 329 transitions, 12086 flow [2021-03-25 19:48:06,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 329 transitions, 12086 flow [2021-03-25 19:48:06,146 INFO L129 PetriNetUnfolder]: 135/574 cut-off events. [2021-03-25 19:48:06,147 INFO L130 PetriNetUnfolder]: For 24709/24712 co-relation queries the response was YES. [2021-03-25 19:48:06,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8264 conditions, 574 events. 135/574 cut-off events. For 24709/24712 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4392 event pairs, 1 based on Foata normal form. 3/577 useless extension candidates. Maximal degree in co-relation 8161. Up to 182 conditions per place. [2021-03-25 19:48:06,151 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-25 19:48:06,185 INFO L154 LiptonReduction]: Checked pairs total: 11 [2021-03-25 19:48:06,185 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 19:48:06,185 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 116 [2021-03-25 19:48:06,185 INFO L480 AbstractCegarLoop]: Abstraction has has 247 places, 328 transitions, 12061 flow [2021-03-25 19:48:06,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 31.2) internal successors, (312), 10 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,185 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:48:06,185 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] [2021-03-25 19:48:06,185 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-25 19:48:06,185 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:48:06,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:48:06,186 INFO L82 PathProgramCache]: Analyzing trace with hash 2931615, now seen corresponding path program 3 times [2021-03-25 19:48:06,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:48:06,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141343254] [2021-03-25 19:48:06,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:48:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:48:06,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:48:06,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:48:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:48:06,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141343254] [2021-03-25 19:48:06,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:48:06,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:48:06,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549229892] [2021-03-25 19:48:06,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:48:06,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:48:06,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:48:06,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:48:06,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:48:06,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 328 transitions, 12061 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:48:06,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:48:06,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:06,476 INFO L129 PetriNetUnfolder]: 128/560 cut-off events. [2021-03-25 19:48:06,476 INFO L130 PetriNetUnfolder]: For 23863/23903 co-relation queries the response was YES. [2021-03-25 19:48:06,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8382 conditions, 560 events. 128/560 cut-off events. For 23863/23903 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4215 event pairs, 5 based on Foata normal form. 13/572 useless extension candidates. Maximal degree in co-relation 8273. Up to 251 conditions per place. [2021-03-25 19:48:06,479 INFO L132 encePairwiseOnDemand]: 78/101 looper letters, 123 selfloop transitions, 119 changer transitions 53/306 dead transitions. [2021-03-25 19:48:06,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 306 transitions, 11517 flow [2021-03-25 19:48:06,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:48:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:48:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 345 transitions. [2021-03-25 19:48:06,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3795379537953795 [2021-03-25 19:48:06,480 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 345 transitions. [2021-03-25 19:48:06,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 345 transitions. [2021-03-25 19:48:06,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:06,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 345 transitions. [2021-03-25 19:48:06,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 38.333333333333336) internal successors, (345), 9 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,481 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,482 INFO L185 Difference]: Start difference. First operand has 247 places, 328 transitions, 12061 flow. Second operand 9 states and 345 transitions. [2021-03-25 19:48:06,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 306 transitions, 11517 flow [2021-03-25 19:48:06,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 306 transitions, 10900 flow, removed 23 selfloop flow, removed 28 redundant places. [2021-03-25 19:48:06,595 INFO L241 Difference]: Finished difference. Result has 227 places, 251 transitions, 7809 flow [2021-03-25 19:48:06,595 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=10246, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=7809, PETRI_PLACES=227, PETRI_TRANSITIONS=251} [2021-03-25 19:48:06,595 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 187 predicate places. [2021-03-25 19:48:06,596 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:06,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 227 places, 251 transitions, 7809 flow [2021-03-25 19:48:06,596 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 227 places, 251 transitions, 7809 flow [2021-03-25 19:48:06,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 226 places, 251 transitions, 7809 flow [2021-03-25 19:48:06,662 INFO L129 PetriNetUnfolder]: 100/456 cut-off events. [2021-03-25 19:48:06,662 INFO L130 PetriNetUnfolder]: For 15968/16005 co-relation queries the response was YES. [2021-03-25 19:48:06,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5486 conditions, 456 events. 100/456 cut-off events. For 15968/16005 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3251 event pairs, 1 based on Foata normal form. 3/458 useless extension candidates. Maximal degree in co-relation 5385. Up to 144 conditions per place. [2021-03-25 19:48:06,667 INFO L142 LiptonReduction]: Number of co-enabled transitions 206 [2021-03-25 19:48:06,682 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:48:06,682 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:48:06,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 86 [2021-03-25 19:48:06,683 INFO L480 AbstractCegarLoop]: Abstraction has has 226 places, 251 transitions, 7809 flow [2021-03-25 19:48:06,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:48:06,683 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] [2021-03-25 19:48:06,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-25 19:48:06,683 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:48:06,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:48:06,684 INFO L82 PathProgramCache]: Analyzing trace with hash 618784855, now seen corresponding path program 11 times [2021-03-25 19:48:06,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:48:06,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487182635] [2021-03-25 19:48:06,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:48:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:48:06,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:48:06,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:48:06,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:48:06,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:06,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:48:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:48:06,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487182635] [2021-03-25 19:48:06,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:48:06,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 19:48:06,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260145872] [2021-03-25 19:48:06,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:48:06,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:48:06,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:48:06,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:48:06,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:48:06,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 251 transitions, 7809 flow. Second operand has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:48:06,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:48:06,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:06,963 INFO L129 PetriNetUnfolder]: 78/365 cut-off events. [2021-03-25 19:48:06,963 INFO L130 PetriNetUnfolder]: For 15498/15538 co-relation queries the response was YES. [2021-03-25 19:48:06,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5432 conditions, 365 events. 78/365 cut-off events. For 15498/15538 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2511 event pairs, 2 based on Foata normal form. 19/383 useless extension candidates. Maximal degree in co-relation 5362. Up to 121 conditions per place. [2021-03-25 19:48:06,965 INFO L132 encePairwiseOnDemand]: 79/101 looper letters, 38 selfloop transitions, 107 changer transitions 55/211 dead transitions. [2021-03-25 19:48:06,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 211 transitions, 7533 flow [2021-03-25 19:48:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:48:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:48:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 341 transitions. [2021-03-25 19:48:06,966 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37513751375137516 [2021-03-25 19:48:06,966 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 341 transitions. [2021-03-25 19:48:06,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 341 transitions. [2021-03-25 19:48:06,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:06,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 341 transitions. [2021-03-25 19:48:06,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 37.888888888888886) internal successors, (341), 9 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,968 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 101.0) internal successors, (1010), 10 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:06,968 INFO L185 Difference]: Start difference. First operand has 226 places, 251 transitions, 7809 flow. Second operand 9 states and 341 transitions. [2021-03-25 19:48:06,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 211 transitions, 7533 flow [2021-03-25 19:48:07,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 211 transitions, 6615 flow, removed 10 selfloop flow, removed 37 redundant places. [2021-03-25 19:48:07,017 INFO L241 Difference]: Finished difference. Result has 197 places, 154 transitions, 5219 flow [2021-03-25 19:48:07,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=6159, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5219, PETRI_PLACES=197, PETRI_TRANSITIONS=154} [2021-03-25 19:48:07,017 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 157 predicate places. [2021-03-25 19:48:07,017 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:07,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 154 transitions, 5219 flow [2021-03-25 19:48:07,017 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 154 transitions, 5219 flow [2021-03-25 19:48:07,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 154 transitions, 5219 flow [2021-03-25 19:48:07,040 INFO L129 PetriNetUnfolder]: 41/228 cut-off events. [2021-03-25 19:48:07,040 INFO L130 PetriNetUnfolder]: For 9066/9067 co-relation queries the response was YES. [2021-03-25 19:48:07,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3312 conditions, 228 events. 41/228 cut-off events. For 9066/9067 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1340 event pairs, 0 based on Foata normal form. 1/229 useless extension candidates. Maximal degree in co-relation 3249. Up to 68 conditions per place. [2021-03-25 19:48:07,042 INFO L142 LiptonReduction]: Number of co-enabled transitions 98 [2021-03-25 19:48:07,047 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:48:07,047 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:48:07,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-25 19:48:07,048 INFO L480 AbstractCegarLoop]: Abstraction has has 197 places, 154 transitions, 5219 flow [2021-03-25 19:48:07,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 31.5) internal successors, (252), 8 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:07,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:48:07,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:48:07,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-25 19:48:07,048 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:48:07,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:48:07,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1062909616, now seen corresponding path program 10 times [2021-03-25 19:48:07,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:48:07,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881149460] [2021-03-25 19:48:07,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:48:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:48:07,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:48:07,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:48:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:48:07,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881149460] [2021-03-25 19:48:07,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:48:07,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 19:48:07,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915475387] [2021-03-25 19:48:07,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:48:07,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:48:07,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:48:07,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:48:07,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:48:07,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 154 transitions, 5219 flow. Second operand has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:07,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:48:07,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:48:07,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:07,346 INFO L129 PetriNetUnfolder]: 29/180 cut-off events. [2021-03-25 19:48:07,346 INFO L130 PetriNetUnfolder]: For 9394/9434 co-relation queries the response was YES. [2021-03-25 19:48:07,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3281 conditions, 180 events. 29/180 cut-off events. For 9394/9434 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1050 event pairs, 1 based on Foata normal form. 15/194 useless extension candidates. Maximal degree in co-relation 3236. Up to 62 conditions per place. [2021-03-25 19:48:07,348 INFO L132 encePairwiseOnDemand]: 82/101 looper letters, 10 selfloop transitions, 41 changer transitions 64/126 dead transitions. [2021-03-25 19:48:07,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 126 transitions, 4915 flow [2021-03-25 19:48:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 19:48:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 19:48:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 394 transitions. [2021-03-25 19:48:07,349 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3546354635463546 [2021-03-25 19:48:07,349 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 394 transitions. [2021-03-25 19:48:07,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 394 transitions. [2021-03-25 19:48:07,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:07,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 394 transitions. [2021-03-25 19:48:07,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 35.81818181818182) internal successors, (394), 11 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:07,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 101.0) internal successors, (1212), 12 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:07,351 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 101.0) internal successors, (1212), 12 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:07,351 INFO L185 Difference]: Start difference. First operand has 197 places, 154 transitions, 5219 flow. Second operand 11 states and 394 transitions. [2021-03-25 19:48:07,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 126 transitions, 4915 flow [2021-03-25 19:48:07,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 126 transitions, 3111 flow, removed 3 selfloop flow, removed 62 redundant places. [2021-03-25 19:48:07,386 INFO L241 Difference]: Finished difference. Result has 142 places, 61 transitions, 1251 flow [2021-03-25 19:48:07,386 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=2839, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1251, PETRI_PLACES=142, PETRI_TRANSITIONS=61} [2021-03-25 19:48:07,386 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 102 predicate places. [2021-03-25 19:48:07,386 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:07,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 61 transitions, 1251 flow [2021-03-25 19:48:07,389 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 61 transitions, 1251 flow [2021-03-25 19:48:07,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 61 transitions, 1251 flow [2021-03-25 19:48:07,395 INFO L129 PetriNetUnfolder]: 11/68 cut-off events. [2021-03-25 19:48:07,395 INFO L130 PetriNetUnfolder]: For 708/709 co-relation queries the response was YES. [2021-03-25 19:48:07,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 68 events. 11/68 cut-off events. For 708/709 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 185 event pairs, 0 based on Foata normal form. 1/69 useless extension candidates. Maximal degree in co-relation 621. Up to 19 conditions per place. [2021-03-25 19:48:07,396 INFO L142 LiptonReduction]: Number of co-enabled transitions 8 [2021-03-25 19:48:07,397 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:48:07,397 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:48:07,398 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-25 19:48:07,399 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 61 transitions, 1251 flow [2021-03-25 19:48:07,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 31.333333333333332) internal successors, (282), 9 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:07,400 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:48:07,400 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:48:07,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-25 19:48:07,400 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 19:48:07,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:48:07,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1705606092, now seen corresponding path program 11 times [2021-03-25 19:48:07,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:48:07,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333252484] [2021-03-25 19:48:07,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:48:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:48:07,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:48:07,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:48:07,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:48:07,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 19:48:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:48:07,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333252484] [2021-03-25 19:48:07,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:48:07,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 19:48:07,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132395208] [2021-03-25 19:48:07,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 19:48:07,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:48:07,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 19:48:07,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-25 19:48:07,469 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 101 [2021-03-25 19:48:07,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 61 transitions, 1251 flow. Second operand has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:07,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:48:07,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 101 [2021-03-25 19:48:07,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:48:07,623 INFO L129 PetriNetUnfolder]: 10/59 cut-off events. [2021-03-25 19:48:07,623 INFO L130 PetriNetUnfolder]: For 721/722 co-relation queries the response was YES. [2021-03-25 19:48:07,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 59 events. 10/59 cut-off events. For 721/722 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 183 event pairs, 0 based on Foata normal form. 4/63 useless extension candidates. Maximal degree in co-relation 670. Up to 19 conditions per place. [2021-03-25 19:48:07,623 INFO L132 encePairwiseOnDemand]: 89/101 looper letters, 0 selfloop transitions, 0 changer transitions 52/52 dead transitions. [2021-03-25 19:48:07,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 52 transitions, 1314 flow [2021-03-25 19:48:07,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 19:48:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 19:48:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 458 transitions. [2021-03-25 19:48:07,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32390381895332393 [2021-03-25 19:48:07,624 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 458 transitions. [2021-03-25 19:48:07,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 458 transitions. [2021-03-25 19:48:07,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:48:07,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 458 transitions. [2021-03-25 19:48:07,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 32.714285714285715) internal successors, (458), 14 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:07,626 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) [2021-03-25 19:48:07,626 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) [2021-03-25 19:48:07,627 INFO L185 Difference]: Start difference. First operand has 129 places, 61 transitions, 1251 flow. Second operand 14 states and 458 transitions. [2021-03-25 19:48:07,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 52 transitions, 1314 flow [2021-03-25 19:48:07,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 52 transitions, 540 flow, removed 0 selfloop flow, removed 62 redundant places. [2021-03-25 19:48:07,631 INFO L241 Difference]: Finished difference. Result has 73 places, 0 transitions, 0 flow [2021-03-25 19:48:07,631 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=0, PETRI_PLACES=73, PETRI_TRANSITIONS=0} [2021-03-25 19:48:07,631 INFO L343 CegarLoopForPetriNet]: 40 programPoint places, 33 predicate places. [2021-03-25 19:48:07,631 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:48:07,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 0 transitions, 0 flow [2021-03-25 19:48:07,631 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 0 transitions, 0 flow [2021-03-25 19:48:07,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 19:48:07,632 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 19:48:07,632 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 19:48:07,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-25 19:48:07,632 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 19:48:07,632 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:48:07,632 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:48:07,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-03-25 19:48:07,633 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 19:48:07,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 31.09090909090909) internal successors, (342), 11 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 19:48:07,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-25 19:48:07,636 INFO L202 PluginConnector]: Adding new model ticket-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 07:48:07 BasicIcfg [2021-03-25 19:48:07,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 19:48:07,637 INFO L168 Benchmark]: Toolchain (without parser) took 105202.21 ms. Allocated memory was 255.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 236.4 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 427.8 MB. Max. memory is 16.0 GB. [2021-03-25 19:48:07,637 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 174.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 19:48:07,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.70 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 19:48:07,637 INFO L168 Benchmark]: Boogie Preprocessor took 12.81 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 19:48:07,637 INFO L168 Benchmark]: RCFGBuilder took 316.47 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 235.3 MB in the end (delta: -1.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-25 19:48:07,637 INFO L168 Benchmark]: TraceAbstraction took 104845.44 ms. Allocated memory was 255.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 234.6 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 424.7 MB. Max. memory is 16.0 GB. [2021-03-25 19:48:07,638 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 174.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.70 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.81 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 316.47 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 235.3 MB in the end (delta: -1.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 104845.44 ms. Allocated memory was 255.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 234.6 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 424.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1015.1ms, 55 PlacesBefore, 40 PlacesAfterwards, 39 TransitionsBefore, 24 TransitionsAfterwards, 748 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 15 TotalNumberOfCompositions, 933 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 467, positive: 433, positive conditional: 0, positive unconditional: 433, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 397, positive: 370, positive conditional: 0, positive unconditional: 370, 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: 397, positive: 370, positive conditional: 0, positive unconditional: 370, 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: 397, positive: 315, positive conditional: 0, positive unconditional: 315, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 82, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, positive: 210, positive conditional: 0, positive unconditional: 210, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 467, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 397, unknown conditional: 0, unknown unconditional: 397] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.2ms, 37 PlacesBefore, 37 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 530.5ms, 40 PlacesBefore, 40 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 40 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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.Query Time [ms]: [ total: 22, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1013.9ms, 45 PlacesBefore, 45 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 514 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 348 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 348, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 348, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2601.4ms, 52 PlacesBefore, 52 PlacesAfterwards, 199 TransitionsBefore, 199 TransitionsAfterwards, 916 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 15 TotalNumberOfCompositions, 1683 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1683, positive: 1683, positive conditional: 0, positive unconditional: 1683, negative: 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: 0, positive unconditional: 2, negative: 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: 0, positive unconditional: 2, negative: 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: 1683, positive: 1681, positive conditional: 0, positive unconditional: 1681, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1514.3ms, 56 PlacesBefore, 56 PlacesAfterwards, 221 TransitionsBefore, 221 TransitionsAfterwards, 964 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 10 TotalNumberOfCompositions, 1290 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1290, positive: 1290, positive conditional: 0, positive unconditional: 1290, negative: 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: 0, positive unconditional: 1, negative: 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: 0, positive unconditional: 1, negative: 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: 1290, positive: 1289, positive conditional: 0, positive unconditional: 1289, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 907.5ms, 59 PlacesBefore, 59 PlacesAfterwards, 220 TransitionsBefore, 220 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 384 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 384, positive: 384, positive conditional: 0, positive unconditional: 384, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 384, positive: 384, positive conditional: 0, positive unconditional: 384, negative: 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: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 789.0ms, 62 PlacesBefore, 61 PlacesAfterwards, 270 TransitionsBefore, 269 TransitionsAfterwards, 976 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 256 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 256, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 256, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 400.2ms, 62 PlacesBefore, 62 PlacesAfterwards, 319 TransitionsBefore, 319 TransitionsAfterwards, 766 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 371.2ms, 64 PlacesBefore, 64 PlacesAfterwards, 349 TransitionsBefore, 349 TransitionsAfterwards, 784 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 411.0ms, 67 PlacesBefore, 67 PlacesAfterwards, 372 TransitionsBefore, 372 TransitionsAfterwards, 770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 505.7ms, 73 PlacesBefore, 73 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 440.4ms, 77 PlacesBefore, 77 PlacesAfterwards, 414 TransitionsBefore, 414 TransitionsAfterwards, 728 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 581.7ms, 84 PlacesBefore, 84 PlacesAfterwards, 464 TransitionsBefore, 464 TransitionsAfterwards, 778 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 995.7ms, 90 PlacesBefore, 90 PlacesAfterwards, 543 TransitionsBefore, 542 TransitionsAfterwards, 958 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 84 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 709.1ms, 92 PlacesBefore, 92 PlacesAfterwards, 583 TransitionsBefore, 583 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): 34, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1285.7ms, 96 PlacesBefore, 96 PlacesAfterwards, 671 TransitionsBefore, 669 TransitionsAfterwards, 1182 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 162, positive: 162, positive conditional: 0, positive unconditional: 162, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 162, positive: 162, positive conditional: 0, positive unconditional: 162, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2089.5ms, 102 PlacesBefore, 102 PlacesAfterwards, 790 TransitionsBefore, 787 TransitionsAfterwards, 1298 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 252 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 252, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 252, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 892.5ms, 107 PlacesBefore, 107 PlacesAfterwards, 854 TransitionsBefore, 854 TransitionsAfterwards, 1384 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 981.3ms, 110 PlacesBefore, 110 PlacesAfterwards, 920 TransitionsBefore, 920 TransitionsAfterwards, 1470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1073.0ms, 114 PlacesBefore, 114 PlacesAfterwards, 988 TransitionsBefore, 988 TransitionsAfterwards, 1416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 827.2ms, 117 PlacesBefore, 117 PlacesAfterwards, 895 TransitionsBefore, 895 TransitionsAfterwards, 944 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 883.3ms, 121 PlacesBefore, 121 PlacesAfterwards, 931 TransitionsBefore, 931 TransitionsAfterwards, 962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 927.3ms, 122 PlacesBefore, 122 PlacesAfterwards, 963 TransitionsBefore, 963 TransitionsAfterwards, 952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 995.1ms, 128 PlacesBefore, 128 PlacesAfterwards, 1008 TransitionsBefore, 1008 TransitionsAfterwards, 956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 882.3ms, 132 PlacesBefore, 132 PlacesAfterwards, 1001 TransitionsBefore, 1001 TransitionsAfterwards, 914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 915.7ms, 137 PlacesBefore, 137 PlacesAfterwards, 1015 TransitionsBefore, 1015 TransitionsAfterwards, 918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 931.3ms, 143 PlacesBefore, 143 PlacesAfterwards, 1063 TransitionsBefore, 1063 TransitionsAfterwards, 930 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 905.7ms, 147 PlacesBefore, 147 PlacesAfterwards, 1030 TransitionsBefore, 1030 TransitionsAfterwards, 874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 893.1ms, 153 PlacesBefore, 153 PlacesAfterwards, 1027 TransitionsBefore, 1027 TransitionsAfterwards, 898 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 944.3ms, 159 PlacesBefore, 159 PlacesAfterwards, 1027 TransitionsBefore, 1027 TransitionsAfterwards, 910 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 917.7ms, 159 PlacesBefore, 159 PlacesAfterwards, 1017 TransitionsBefore, 1017 TransitionsAfterwards, 910 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 875.6ms, 163 PlacesBefore, 163 PlacesAfterwards, 999 TransitionsBefore, 999 TransitionsAfterwards, 898 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 780.8ms, 168 PlacesBefore, 168 PlacesAfterwards, 960 TransitionsBefore, 960 TransitionsAfterwards, 828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 763.9ms, 173 PlacesBefore, 173 PlacesAfterwards, 951 TransitionsBefore, 951 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 728.7ms, 179 PlacesBefore, 179 PlacesAfterwards, 874 TransitionsBefore, 874 TransitionsAfterwards, 794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 679.5ms, 189 PlacesBefore, 189 PlacesAfterwards, 856 TransitionsBefore, 856 TransitionsAfterwards, 786 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 878.9ms, 200 PlacesBefore, 200 PlacesAfterwards, 852 TransitionsBefore, 851 TransitionsAfterwards, 784 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 44 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 44, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 620.9ms, 202 PlacesBefore, 202 PlacesAfterwards, 838 TransitionsBefore, 838 TransitionsAfterwards, 764 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 630.8ms, 205 PlacesBefore, 205 PlacesAfterwards, 844 TransitionsBefore, 844 TransitionsAfterwards, 786 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 812.0ms, 213 PlacesBefore, 213 PlacesAfterwards, 827 TransitionsBefore, 826 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 45 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 731.6ms, 221 PlacesBefore, 221 PlacesAfterwards, 801 TransitionsBefore, 801 TransitionsAfterwards, 796 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 475.8ms, 214 PlacesBefore, 214 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 734 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 409.4ms, 221 PlacesBefore, 221 PlacesAfterwards, 733 TransitionsBefore, 733 TransitionsAfterwards, 714 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 400.8ms, 235 PlacesBefore, 235 PlacesAfterwards, 722 TransitionsBefore, 722 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 360.6ms, 242 PlacesBefore, 242 PlacesAfterwards, 690 TransitionsBefore, 690 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 235.7ms, 245 PlacesBefore, 245 PlacesAfterwards, 557 TransitionsBefore, 557 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): 34, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 123.4ms, 249 PlacesBefore, 249 PlacesAfterwards, 383 TransitionsBefore, 383 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.6ms, 247 PlacesBefore, 247 PlacesAfterwards, 329 TransitionsBefore, 328 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 11 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 11, positive conditional: 0, positive unconditional: 11, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.4ms, 227 PlacesBefore, 226 PlacesAfterwards, 251 TransitionsBefore, 251 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.8ms, 197 PlacesBefore, 197 PlacesAfterwards, 154 TransitionsBefore, 154 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.5ms, 142 PlacesBefore, 129 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 8 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7ms, 73 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 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: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - PositiveResult [Line: 95]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 104754.3ms, OverallIterations: 52, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 63002.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1116.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 172 SDtfs, 273 SDslu, 15 SDs, 0 SdLazy, 17010 SolverSat, 3816 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7454.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 466 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 2142.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=37863occurred in iteration=34, InterpolantAutomatonStates: 475, 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: 45.3ms SsaConstructionTime, 226.2ms SatisfiabilityAnalysisTime, 2070.7ms InterpolantComputationTime, 1192 NumberOfCodeBlocks, 1192 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 1140 ConstructedInterpolants, 0 QuantifiedInterpolants, 3429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 52 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...