/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 15:01:46,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 15:01:46,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 15:01:46,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 15:01:46,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 15:01:46,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 15:01:46,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 15:01:46,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 15:01:46,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 15:01:46,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 15:01:46,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 15:01:46,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 15:01:46,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 15:01:46,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 15:01:46,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 15:01:46,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 15:01:46,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 15:01:46,227 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 15:01:46,244 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 15:01:46,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 15:01:46,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 15:01:46,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 15:01:46,246 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 15:01:46,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 15:01:46,246 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 15:01:46,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 15:01:46,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 15:01:46,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 15:01:46,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 15:01:46,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 15:01:46,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 15:01:46,247 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 15:01:46,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 15:01:46,247 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 15:01:46,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 15:01:46,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 15:01:46,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 15:01:46,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 15:01:46,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 15:01:46,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 15:01:46,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 15:01:46,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 15:01:46,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 15:01:46,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 15:01:46,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 15:01:46,249 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 15:01:46,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 15:01:46,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 15:01:46,249 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 15:01:46,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 15:01:46,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 15:01:46,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 15:01:46,577 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 15:01:46,577 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 15:01:46,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl [2021-03-26 15:01:46,579 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier.wvr.bpl' [2021-03-26 15:01:46,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 15:01:46,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 15:01:46,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 15:01:46,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 15:01:46,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 15:01:46,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... [2021-03-26 15:01:46,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... [2021-03-26 15:01:46,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 15:01:46,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 15:01:46,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 15:01:46,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 15:01:46,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... [2021-03-26 15:01:46,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... [2021-03-26 15:01:46,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... [2021-03-26 15:01:46,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... [2021-03-26 15:01:46,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... [2021-03-26 15:01:46,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... [2021-03-26 15:01:46,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... [2021-03-26 15:01:46,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 15:01:46,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 15:01:46,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 15:01:46,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 15:01:46,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 15:01:46,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-26 15:01:46,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-26 15:01:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-26 15:01:46,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-26 15:01:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-26 15:01:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-26 15:01:46,750 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 15:01:46,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 15:01:46,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 15:01:46,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-26 15:01:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-26 15:01:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-26 15:01:46,751 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-26 15:01:46,751 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-26 15:01:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-26 15:01:46,752 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-03-26 15:01:46,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-03-26 15:01:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-03-26 15:01:46,753 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-03-26 15:01:46,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-03-26 15:01:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-03-26 15:01:46,755 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 15:01:46,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 15:01:46,969 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 15:01:46,971 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:01:46 BoogieIcfgContainer [2021-03-26 15:01:46,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 15:01:46,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 15:01:46,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 15:01:46,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 15:01:46,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:01:46" (1/2) ... [2021-03-26 15:01:46,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767a468 and model type barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 03:01:46, skipping insertion in model container [2021-03-26 15:01:46,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:01:46" (2/2) ... [2021-03-26 15:01:46,976 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier.wvr.bpl [2021-03-26 15:01:46,988 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 15:01:46,991 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 15:01:46,991 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 15:01:47,132 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-03-26 15:01:47,151 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-03-26 15:01:47,168 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 15:01:47,168 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 15:01:47,169 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 15:01:47,169 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 15:01:47,169 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 15:01:47,169 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 15:01:47,169 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 15:01:47,169 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 15:01:47,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 65 transitions, 202 flow [2021-03-26 15:01:47,207 INFO L129 PetriNetUnfolder]: 4/53 cut-off events. [2021-03-26 15:01:47,208 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 15:01:47,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 53 events. 4/53 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 109 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 63. Up to 3 conditions per place. [2021-03-26 15:01:47,212 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 65 transitions, 202 flow [2021-03-26 15:01:47,216 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 51 transitions, 150 flow [2021-03-26 15:01:47,217 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:47,229 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 51 transitions, 150 flow [2021-03-26 15:01:47,232 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 51 transitions, 150 flow [2021-03-26 15:01:47,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 51 transitions, 150 flow [2021-03-26 15:01:47,251 INFO L129 PetriNetUnfolder]: 4/51 cut-off events. [2021-03-26 15:01:47,251 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 15:01:47,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 51 events. 4/51 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 108 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 63. Up to 3 conditions per place. [2021-03-26 15:01:47,254 INFO L142 LiptonReduction]: Number of co-enabled transitions 1336 [2021-03-26 15:01:47,625 INFO L154 LiptonReduction]: Checked pairs total: 1358 [2021-03-26 15:01:47,626 INFO L156 LiptonReduction]: Total number of compositions: 13 [2021-03-26 15:01:47,629 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 413 [2021-03-26 15:01:47,666 INFO L129 PetriNetUnfolder]: 4/37 cut-off events. [2021-03-26 15:01:47,666 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-26 15:01:47,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:47,667 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:47,667 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:47,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:47,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1729675932, now seen corresponding path program 1 times [2021-03-26 15:01:47,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:47,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038988113] [2021-03-26 15:01:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:47,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:47,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:01:47,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:47,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 15:01:47,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:47,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:01:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:47,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038988113] [2021-03-26 15:01:47,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:47,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 15:01:47,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358475273] [2021-03-26 15:01:47,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 15:01:47,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:47,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 15:01:47,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 15:01:47,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 82 [2021-03-26 15:01:47,821 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 38 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:47,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:47,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 82 [2021-03-26 15:01:47,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:47,840 INFO L129 PetriNetUnfolder]: 6/43 cut-off events. [2021-03-26 15:01:47,841 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 15:01:47,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 43 events. 6/43 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 1 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 64. Up to 6 conditions per place. [2021-03-26 15:01:47,843 INFO L132 encePairwiseOnDemand]: 79/82 looper letters, 2 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2021-03-26 15:01:47,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 38 transitions, 132 flow [2021-03-26 15:01:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 15:01:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 15:01:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2021-03-26 15:01:47,852 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9227642276422764 [2021-03-26 15:01:47,853 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 227 transitions. [2021-03-26 15:01:47,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 227 transitions. [2021-03-26 15:01:47,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:47,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 227 transitions. [2021-03-26 15:01:47,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:47,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:47,863 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:47,864 INFO L185 Difference]: Start difference. First operand has 53 places, 38 transitions, 124 flow. Second operand 3 states and 227 transitions. [2021-03-26 15:01:47,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 38 transitions, 132 flow [2021-03-26 15:01:47,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 38 transitions, 97 flow, removed 0 selfloop flow, removed 13 redundant places. [2021-03-26 15:01:47,869 INFO L241 Difference]: Finished difference. Result has 43 places, 38 transitions, 97 flow [2021-03-26 15:01:47,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=43, PETRI_TRANSITIONS=38} [2021-03-26 15:01:47,872 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, -10 predicate places. [2021-03-26 15:01:47,872 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:47,872 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 38 transitions, 97 flow [2021-03-26 15:01:47,872 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 38 transitions, 97 flow [2021-03-26 15:01:47,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 38 transitions, 97 flow [2021-03-26 15:01:47,879 INFO L129 PetriNetUnfolder]: 4/38 cut-off events. [2021-03-26 15:01:47,879 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 15:01:47,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 38 events. 4/38 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 39. Up to 3 conditions per place. [2021-03-26 15:01:47,880 INFO L142 LiptonReduction]: Number of co-enabled transitions 668 [2021-03-26 15:01:47,939 INFO L154 LiptonReduction]: Checked pairs total: 773 [2021-03-26 15:01:47,939 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:01:47,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 15:01:47,940 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 36 transitions, 93 flow [2021-03-26 15:01:47,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:47,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:47,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:47,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 15:01:47,941 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:47,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:47,942 INFO L82 PathProgramCache]: Analyzing trace with hash 2133907847, now seen corresponding path program 1 times [2021-03-26 15:01:47,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:47,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123525504] [2021-03-26 15:01:47,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:47,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:47,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:01:47,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:47,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 15:01:47,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:47,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:01:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:47,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123525504] [2021-03-26 15:01:47,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:47,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 15:01:47,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85914777] [2021-03-26 15:01:47,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 15:01:47,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:47,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 15:01:47,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 15:01:47,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 84 [2021-03-26 15:01:47,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:47,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:47,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 84 [2021-03-26 15:01:47,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:47,982 INFO L129 PetriNetUnfolder]: 6/41 cut-off events. [2021-03-26 15:01:47,982 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 15:01:47,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 41 events. 6/41 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 1 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 48. Up to 6 conditions per place. [2021-03-26 15:01:47,983 INFO L132 encePairwiseOnDemand]: 81/84 looper letters, 2 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2021-03-26 15:01:47,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 36 transitions, 101 flow [2021-03-26 15:01:47,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 15:01:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 15:01:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2021-03-26 15:01:47,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9246031746031746 [2021-03-26 15:01:47,985 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 233 transitions. [2021-03-26 15:01:47,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 233 transitions. [2021-03-26 15:01:47,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:47,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 233 transitions. [2021-03-26 15:01:47,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:47,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:47,989 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 84.0) internal successors, (336), 4 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:47,989 INFO L185 Difference]: Start difference. First operand has 41 places, 36 transitions, 93 flow. Second operand 3 states and 233 transitions. [2021-03-26 15:01:47,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 36 transitions, 101 flow [2021-03-26 15:01:47,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 36 transitions, 97 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 15:01:47,990 INFO L241 Difference]: Finished difference. Result has 42 places, 36 transitions, 97 flow [2021-03-26 15:01:47,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=84, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=42, PETRI_TRANSITIONS=36} [2021-03-26 15:01:47,991 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, -11 predicate places. [2021-03-26 15:01:47,991 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:47,991 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 36 transitions, 97 flow [2021-03-26 15:01:47,991 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 36 transitions, 97 flow [2021-03-26 15:01:47,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 36 transitions, 97 flow [2021-03-26 15:01:47,996 INFO L129 PetriNetUnfolder]: 4/36 cut-off events. [2021-03-26 15:01:47,997 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 15:01:47,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 36 events. 4/36 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 39. Up to 3 conditions per place. [2021-03-26 15:01:47,997 INFO L142 LiptonReduction]: Number of co-enabled transitions 584 [2021-03-26 15:01:48,053 INFO L154 LiptonReduction]: Checked pairs total: 503 [2021-03-26 15:01:48,054 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:01:48,054 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 15:01:48,056 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 34 transitions, 93 flow [2021-03-26 15:01:48,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:48,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:48,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:48,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 15:01:48,057 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:48,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:48,058 INFO L82 PathProgramCache]: Analyzing trace with hash 577050863, now seen corresponding path program 1 times [2021-03-26 15:01:48,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:48,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383468515] [2021-03-26 15:01:48,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:48,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:01:48,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 15:01:48,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:01:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:48,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383468515] [2021-03-26 15:01:48,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:48,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 15:01:48,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878084532] [2021-03-26 15:01:48,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 15:01:48,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:48,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 15:01:48,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 15:01:48,118 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 86 [2021-03-26 15:01:48,119 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 34 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:48,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:48,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 86 [2021-03-26 15:01:48,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:48,134 INFO L129 PetriNetUnfolder]: 6/38 cut-off events. [2021-03-26 15:01:48,135 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 15:01:48,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 38 events. 6/38 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 1 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 48. Up to 6 conditions per place. [2021-03-26 15:01:48,136 INFO L132 encePairwiseOnDemand]: 83/86 looper letters, 2 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2021-03-26 15:01:48,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 101 flow [2021-03-26 15:01:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 15:01:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 15:01:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2021-03-26 15:01:48,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9147286821705426 [2021-03-26 15:01:48,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 236 transitions. [2021-03-26 15:01:48,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 236 transitions. [2021-03-26 15:01:48,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:48,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 236 transitions. [2021-03-26 15:01:48,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:48,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:48,145 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:48,145 INFO L185 Difference]: Start difference. First operand has 40 places, 34 transitions, 93 flow. Second operand 3 states and 236 transitions. [2021-03-26 15:01:48,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 101 flow [2021-03-26 15:01:48,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 34 transitions, 97 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 15:01:48,147 INFO L241 Difference]: Finished difference. Result has 41 places, 34 transitions, 97 flow [2021-03-26 15:01:48,147 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=86, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=41, PETRI_TRANSITIONS=34} [2021-03-26 15:01:48,147 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, -12 predicate places. [2021-03-26 15:01:48,147 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:48,148 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 34 transitions, 97 flow [2021-03-26 15:01:48,149 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 34 transitions, 97 flow [2021-03-26 15:01:48,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 34 transitions, 97 flow [2021-03-26 15:01:48,154 INFO L129 PetriNetUnfolder]: 4/34 cut-off events. [2021-03-26 15:01:48,154 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 15:01:48,155 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 34 events. 4/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 39. Up to 3 conditions per place. [2021-03-26 15:01:48,155 INFO L142 LiptonReduction]: Number of co-enabled transitions 502 [2021-03-26 15:01:48,213 INFO L154 LiptonReduction]: Checked pairs total: 257 [2021-03-26 15:01:48,213 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:01:48,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-03-26 15:01:48,214 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 93 flow [2021-03-26 15:01:48,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:48,215 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:48,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:48,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 15:01:48,215 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:48,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:48,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1895625699, now seen corresponding path program 1 times [2021-03-26 15:01:48,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:48,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68790080] [2021-03-26 15:01:48,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:48,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:48,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:48,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:48,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:48,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:48,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:48,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:48,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:48,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:48,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:48,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:48,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:48,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:48,591 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:48,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:48,629 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:48,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:48,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68790080] [2021-03-26 15:01:48,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:48,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 15:01:48,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298100393] [2021-03-26 15:01:48,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 15:01:48,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:48,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 15:01:48,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-03-26 15:01:48,636 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 88 [2021-03-26 15:01:48,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 93 flow. Second operand has 13 states, 13 states have (on average 49.23076923076923) internal successors, (640), 13 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:48,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:48,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 88 [2021-03-26 15:01:48,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:49,233 INFO L129 PetriNetUnfolder]: 330/621 cut-off events. [2021-03-26 15:01:49,233 INFO L130 PetriNetUnfolder]: For 295/295 co-relation queries the response was YES. [2021-03-26 15:01:49,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1403 conditions, 621 events. 330/621 cut-off events. For 295/295 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2865 event pairs, 49 based on Foata normal form. 1/561 useless extension candidates. Maximal degree in co-relation 1371. Up to 349 conditions per place. [2021-03-26 15:01:49,240 INFO L132 encePairwiseOnDemand]: 74/88 looper letters, 31 selfloop transitions, 49 changer transitions 0/98 dead transitions. [2021-03-26 15:01:49,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 98 transitions, 482 flow [2021-03-26 15:01:49,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:01:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:01:49,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 801 transitions. [2021-03-26 15:01:49,243 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6068181818181818 [2021-03-26 15:01:49,243 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 801 transitions. [2021-03-26 15:01:49,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 801 transitions. [2021-03-26 15:01:49,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:49,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 801 transitions. [2021-03-26 15:01:49,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.4) internal successors, (801), 15 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 88.0) internal successors, (1408), 16 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,248 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 88.0) internal successors, (1408), 16 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,249 INFO L185 Difference]: Start difference. First operand has 39 places, 32 transitions, 93 flow. Second operand 15 states and 801 transitions. [2021-03-26 15:01:49,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 98 transitions, 482 flow [2021-03-26 15:01:49,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 98 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 15:01:49,252 INFO L241 Difference]: Finished difference. Result has 56 places, 80 transitions, 394 flow [2021-03-26 15:01:49,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=394, PETRI_PLACES=56, PETRI_TRANSITIONS=80} [2021-03-26 15:01:49,252 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 3 predicate places. [2021-03-26 15:01:49,252 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:49,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 80 transitions, 394 flow [2021-03-26 15:01:49,253 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 80 transitions, 394 flow [2021-03-26 15:01:49,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 80 transitions, 394 flow [2021-03-26 15:01:49,276 INFO L129 PetriNetUnfolder]: 171/384 cut-off events. [2021-03-26 15:01:49,276 INFO L130 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2021-03-26 15:01:49,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 870 conditions, 384 events. 171/384 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1867 event pairs, 19 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 840. Up to 186 conditions per place. [2021-03-26 15:01:49,281 INFO L142 LiptonReduction]: Number of co-enabled transitions 786 [2021-03-26 15:01:49,346 INFO L154 LiptonReduction]: Checked pairs total: 9 [2021-03-26 15:01:49,346 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:01:49,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 95 [2021-03-26 15:01:49,347 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 80 transitions, 396 flow [2021-03-26 15:01:49,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 49.23076923076923) internal successors, (640), 13 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:49,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:49,348 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 15:01:49,348 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:49,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:49,349 INFO L82 PathProgramCache]: Analyzing trace with hash -966465581, now seen corresponding path program 1 times [2021-03-26 15:01:49,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:49,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233992610] [2021-03-26 15:01:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:49,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:01:49,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-03-26 15:01:49,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 15:01:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:49,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233992610] [2021-03-26 15:01:49,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:49,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 15:01:49,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276046667] [2021-03-26 15:01:49,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 15:01:49,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:49,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 15:01:49,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 15:01:49,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 90 [2021-03-26 15:01:49,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 80 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:49,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 90 [2021-03-26 15:01:49,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:49,398 INFO L129 PetriNetUnfolder]: 141/296 cut-off events. [2021-03-26 15:01:49,398 INFO L130 PetriNetUnfolder]: For 192/194 co-relation queries the response was YES. [2021-03-26 15:01:49,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 780 conditions, 296 events. 141/296 cut-off events. For 192/194 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1248 event pairs, 24 based on Foata normal form. 3/255 useless extension candidates. Maximal degree in co-relation 754. Up to 158 conditions per place. [2021-03-26 15:01:49,401 INFO L132 encePairwiseOnDemand]: 86/90 looper letters, 8 selfloop transitions, 7 changer transitions 0/78 dead transitions. [2021-03-26 15:01:49,402 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 78 transitions, 418 flow [2021-03-26 15:01:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 15:01:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 15:01:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2021-03-26 15:01:49,403 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9037037037037037 [2021-03-26 15:01:49,403 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 244 transitions. [2021-03-26 15:01:49,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 244 transitions. [2021-03-26 15:01:49,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:49,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 244 transitions. [2021-03-26 15:01:49,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,405 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,405 INFO L185 Difference]: Start difference. First operand has 56 places, 80 transitions, 396 flow. Second operand 3 states and 244 transitions. [2021-03-26 15:01:49,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 78 transitions, 418 flow [2021-03-26 15:01:49,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 78 transitions, 399 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-03-26 15:01:49,409 INFO L241 Difference]: Finished difference. Result has 58 places, 78 transitions, 392 flow [2021-03-26 15:01:49,409 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=58, PETRI_TRANSITIONS=78} [2021-03-26 15:01:49,409 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 5 predicate places. [2021-03-26 15:01:49,409 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:49,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 78 transitions, 392 flow [2021-03-26 15:01:49,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 78 transitions, 392 flow [2021-03-26 15:01:49,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 78 transitions, 392 flow [2021-03-26 15:01:49,432 INFO L129 PetriNetUnfolder]: 135/312 cut-off events. [2021-03-26 15:01:49,432 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-03-26 15:01:49,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 312 events. 135/312 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1430 event pairs, 11 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 725. Up to 151 conditions per place. [2021-03-26 15:01:49,437 INFO L142 LiptonReduction]: Number of co-enabled transitions 630 [2021-03-26 15:01:49,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:49,446 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:49,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 15:01:49,447 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 78 transitions, 392 flow [2021-03-26 15:01:49,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:49,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:49,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 15:01:49,448 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:49,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:49,448 INFO L82 PathProgramCache]: Analyzing trace with hash -384117014, now seen corresponding path program 1 times [2021-03-26 15:01:49,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:49,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513772497] [2021-03-26 15:01:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:49,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:49,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:49,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:49,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:49,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:49,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:49,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:49,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:49,588 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:49,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:49,595 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:01:49,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:49,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513772497] [2021-03-26 15:01:49,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:49,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:01:49,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140998714] [2021-03-26 15:01:49,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:01:49,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:49,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:01:49,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:01:49,601 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 90 [2021-03-26 15:01:49,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 78 transitions, 392 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:49,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 90 [2021-03-26 15:01:49,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:49,803 INFO L129 PetriNetUnfolder]: 215/422 cut-off events. [2021-03-26 15:01:49,803 INFO L130 PetriNetUnfolder]: For 425/445 co-relation queries the response was YES. [2021-03-26 15:01:49,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1376 conditions, 422 events. 215/422 cut-off events. For 425/445 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1844 event pairs, 29 based on Foata normal form. 15/396 useless extension candidates. Maximal degree in co-relation 1342. Up to 250 conditions per place. [2021-03-26 15:01:49,807 INFO L132 encePairwiseOnDemand]: 76/90 looper letters, 30 selfloop transitions, 45 changer transitions 0/93 dead transitions. [2021-03-26 15:01:49,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 93 transitions, 629 flow [2021-03-26 15:01:49,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:01:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:01:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 493 transitions. [2021-03-26 15:01:49,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.608641975308642 [2021-03-26 15:01:49,813 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 493 transitions. [2021-03-26 15:01:49,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 493 transitions. [2021-03-26 15:01:49,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:49,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 493 transitions. [2021-03-26 15:01:49,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 54.77777777777778) internal successors, (493), 9 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 90.0) internal successors, (900), 10 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,816 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 90.0) internal successors, (900), 10 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,816 INFO L185 Difference]: Start difference. First operand has 58 places, 78 transitions, 392 flow. Second operand 9 states and 493 transitions. [2021-03-26 15:01:49,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 93 transitions, 629 flow [2021-03-26 15:01:49,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 93 transitions, 613 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 15:01:49,822 INFO L241 Difference]: Finished difference. Result has 67 places, 82 transitions, 530 flow [2021-03-26 15:01:49,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=530, PETRI_PLACES=67, PETRI_TRANSITIONS=82} [2021-03-26 15:01:49,822 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 14 predicate places. [2021-03-26 15:01:49,822 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:49,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 82 transitions, 530 flow [2021-03-26 15:01:49,823 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 82 transitions, 530 flow [2021-03-26 15:01:49,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 82 transitions, 530 flow [2021-03-26 15:01:49,845 INFO L129 PetriNetUnfolder]: 146/343 cut-off events. [2021-03-26 15:01:49,846 INFO L130 PetriNetUnfolder]: For 205/205 co-relation queries the response was YES. [2021-03-26 15:01:49,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 343 events. 146/343 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1596 event pairs, 15 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 890. Up to 155 conditions per place. [2021-03-26 15:01:49,850 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 15:01:49,859 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:49,859 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:49,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-26 15:01:49,862 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 82 transitions, 530 flow [2021-03-26 15:01:49,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:49,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:49,863 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:49,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 15:01:49,863 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:49,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:49,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1607528510, now seen corresponding path program 2 times [2021-03-26 15:01:49,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:49,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945904071] [2021-03-26 15:01:49,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:49,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:49,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:49,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:49,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:49,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:49,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:49,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:49,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:50,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:50,009 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:50,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:50,026 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:50,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:50,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945904071] [2021-03-26 15:01:50,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:50,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:01:50,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577430381] [2021-03-26 15:01:50,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:01:50,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:50,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:01:50,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:01:50,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 90 [2021-03-26 15:01:50,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 82 transitions, 530 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:50,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:50,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 90 [2021-03-26 15:01:50,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:50,288 INFO L129 PetriNetUnfolder]: 240/468 cut-off events. [2021-03-26 15:01:50,288 INFO L130 PetriNetUnfolder]: For 606/614 co-relation queries the response was YES. [2021-03-26 15:01:50,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1675 conditions, 468 events. 240/468 cut-off events. For 606/614 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2085 event pairs, 23 based on Foata normal form. 10/432 useless extension candidates. Maximal degree in co-relation 1638. Up to 257 conditions per place. [2021-03-26 15:01:50,292 INFO L132 encePairwiseOnDemand]: 76/90 looper letters, 29 selfloop transitions, 48 changer transitions 12/107 dead transitions. [2021-03-26 15:01:50,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 107 transitions, 858 flow [2021-03-26 15:01:50,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:01:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:01:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 546 transitions. [2021-03-26 15:01:50,294 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2021-03-26 15:01:50,294 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 546 transitions. [2021-03-26 15:01:50,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 546 transitions. [2021-03-26 15:01:50,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:50,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 546 transitions. [2021-03-26 15:01:50,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.6) internal successors, (546), 10 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:50,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 90.0) internal successors, (990), 11 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:50,298 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 90.0) internal successors, (990), 11 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:50,298 INFO L185 Difference]: Start difference. First operand has 67 places, 82 transitions, 530 flow. Second operand 10 states and 546 transitions. [2021-03-26 15:01:50,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 107 transitions, 858 flow [2021-03-26 15:01:50,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 107 transitions, 819 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 15:01:50,303 INFO L241 Difference]: Finished difference. Result has 72 places, 84 transitions, 621 flow [2021-03-26 15:01:50,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=621, PETRI_PLACES=72, PETRI_TRANSITIONS=84} [2021-03-26 15:01:50,304 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 19 predicate places. [2021-03-26 15:01:50,304 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:50,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 84 transitions, 621 flow [2021-03-26 15:01:50,304 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 84 transitions, 621 flow [2021-03-26 15:01:50,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 84 transitions, 621 flow [2021-03-26 15:01:50,323 INFO L129 PetriNetUnfolder]: 134/300 cut-off events. [2021-03-26 15:01:50,323 INFO L130 PetriNetUnfolder]: For 296/296 co-relation queries the response was YES. [2021-03-26 15:01:50,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 300 events. 134/300 cut-off events. For 296/296 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1280 event pairs, 12 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 984. Up to 156 conditions per place. [2021-03-26 15:01:50,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 554 [2021-03-26 15:01:50,336 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:50,336 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:50,337 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-03-26 15:01:50,337 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 84 transitions, 621 flow [2021-03-26 15:01:50,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:50,337 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:50,338 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:50,338 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 15:01:50,338 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:50,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:50,338 INFO L82 PathProgramCache]: Analyzing trace with hash -987261172, now seen corresponding path program 1 times [2021-03-26 15:01:50,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:50,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267114230] [2021-03-26 15:01:50,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:50,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:50,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:50,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:50,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:50,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:50,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:50,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:50,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:50,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:50,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:50,471 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:50,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:50,489 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:50,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:50,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267114230] [2021-03-26 15:01:50,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:50,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:50,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399005184] [2021-03-26 15:01:50,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:50,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:50,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:50,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:50,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 90 [2021-03-26 15:01:50,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 84 transitions, 621 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:50,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:50,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 90 [2021-03-26 15:01:50,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:50,903 INFO L129 PetriNetUnfolder]: 244/482 cut-off events. [2021-03-26 15:01:50,903 INFO L130 PetriNetUnfolder]: For 772/794 co-relation queries the response was YES. [2021-03-26 15:01:50,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 482 events. 244/482 cut-off events. For 772/794 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2221 event pairs, 26 based on Foata normal form. 15/448 useless extension candidates. Maximal degree in co-relation 1847. Up to 251 conditions per place. [2021-03-26 15:01:50,908 INFO L132 encePairwiseOnDemand]: 76/90 looper letters, 29 selfloop transitions, 71 changer transitions 0/118 dead transitions. [2021-03-26 15:01:50,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 118 transitions, 1070 flow [2021-03-26 15:01:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:01:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:01:50,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 15:01:50,911 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6008547008547008 [2021-03-26 15:01:50,911 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 15:01:50,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 15:01:50,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:50,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 15:01:50,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:50,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 90.0) internal successors, (1260), 14 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:50,916 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 90.0) internal successors, (1260), 14 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:50,916 INFO L185 Difference]: Start difference. First operand has 66 places, 84 transitions, 621 flow. Second operand 13 states and 703 transitions. [2021-03-26 15:01:50,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 118 transitions, 1070 flow [2021-03-26 15:01:50,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 118 transitions, 902 flow, removed 25 selfloop flow, removed 9 redundant places. [2021-03-26 15:01:50,923 INFO L241 Difference]: Finished difference. Result has 71 places, 103 transitions, 805 flow [2021-03-26 15:01:50,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=805, PETRI_PLACES=71, PETRI_TRANSITIONS=103} [2021-03-26 15:01:50,923 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 18 predicate places. [2021-03-26 15:01:50,923 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:50,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 103 transitions, 805 flow [2021-03-26 15:01:50,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 103 transitions, 805 flow [2021-03-26 15:01:50,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 103 transitions, 805 flow [2021-03-26 15:01:50,946 INFO L129 PetriNetUnfolder]: 157/338 cut-off events. [2021-03-26 15:01:50,946 INFO L130 PetriNetUnfolder]: For 240/242 co-relation queries the response was YES. [2021-03-26 15:01:50,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1159 conditions, 338 events. 157/338 cut-off events. For 240/242 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1564 event pairs, 11 based on Foata normal form. 0/300 useless extension candidates. Maximal degree in co-relation 1127. Up to 185 conditions per place. [2021-03-26 15:01:50,950 INFO L142 LiptonReduction]: Number of co-enabled transitions 694 [2021-03-26 15:01:51,019 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 15:01:51,020 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:01:51,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 97 [2021-03-26 15:01:51,020 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 103 transitions, 808 flow [2021-03-26 15:01:51,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:51,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:51,021 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:51,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 15:01:51,021 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:51,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:51,022 INFO L82 PathProgramCache]: Analyzing trace with hash -185303978, now seen corresponding path program 2 times [2021-03-26 15:01:51,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:51,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89099500] [2021-03-26 15:01:51,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:51,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:51,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:51,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:51,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:51,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:51,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:51,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:51,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:51,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:51,190 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:51,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:51,207 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:51,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:51,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89099500] [2021-03-26 15:01:51,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:51,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:01:51,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250812319] [2021-03-26 15:01:51,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:01:51,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:51,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:01:51,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:01:51,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 91 [2021-03-26 15:01:51,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 103 transitions, 808 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:51,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:51,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 91 [2021-03-26 15:01:51,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:51,604 INFO L129 PetriNetUnfolder]: 285/575 cut-off events. [2021-03-26 15:01:51,605 INFO L130 PetriNetUnfolder]: For 824/853 co-relation queries the response was YES. [2021-03-26 15:01:51,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2211 conditions, 575 events. 285/575 cut-off events. For 824/853 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2828 event pairs, 27 based on Foata normal form. 17/520 useless extension candidates. Maximal degree in co-relation 2166. Up to 284 conditions per place. [2021-03-26 15:01:51,610 INFO L132 encePairwiseOnDemand]: 76/91 looper letters, 55 selfloop transitions, 76 changer transitions 0/149 dead transitions. [2021-03-26 15:01:51,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 149 transitions, 1432 flow [2021-03-26 15:01:51,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:01:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:01:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 15:01:51,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5959425190194421 [2021-03-26 15:01:51,612 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 15:01:51,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 15:01:51,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:51,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 15:01:51,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:51,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 91.0) internal successors, (1274), 14 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:51,616 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 91.0) internal successors, (1274), 14 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:51,616 INFO L185 Difference]: Start difference. First operand has 71 places, 103 transitions, 808 flow. Second operand 13 states and 705 transitions. [2021-03-26 15:01:51,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 149 transitions, 1432 flow [2021-03-26 15:01:51,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 149 transitions, 1373 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-26 15:01:51,623 INFO L241 Difference]: Finished difference. Result has 86 places, 135 transitions, 1295 flow [2021-03-26 15:01:51,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1295, PETRI_PLACES=86, PETRI_TRANSITIONS=135} [2021-03-26 15:01:51,623 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 33 predicate places. [2021-03-26 15:01:51,623 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:51,623 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 135 transitions, 1295 flow [2021-03-26 15:01:51,624 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 135 transitions, 1295 flow [2021-03-26 15:01:51,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 135 transitions, 1295 flow [2021-03-26 15:01:51,654 INFO L129 PetriNetUnfolder]: 179/396 cut-off events. [2021-03-26 15:01:51,655 INFO L130 PetriNetUnfolder]: For 499/512 co-relation queries the response was YES. [2021-03-26 15:01:51,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1550 conditions, 396 events. 179/396 cut-off events. For 499/512 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1894 event pairs, 16 based on Foata normal form. 1/344 useless extension candidates. Maximal degree in co-relation 1505. Up to 195 conditions per place. [2021-03-26 15:01:51,659 INFO L142 LiptonReduction]: Number of co-enabled transitions 860 [2021-03-26 15:01:51,737 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 15:01:51,738 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:01:51,738 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-03-26 15:01:51,738 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 135 transitions, 1299 flow [2021-03-26 15:01:51,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:51,739 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:51,739 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:51,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 15:01:51,739 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:51,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:51,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1532055798, now seen corresponding path program 1 times [2021-03-26 15:01:51,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:51,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236704690] [2021-03-26 15:01:51,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:51,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:51,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:51,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:51,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:51,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:51,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:51,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:51,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:51,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:01:51,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:01:51,883 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:51,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:51,901 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:51,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:51,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236704690] [2021-03-26 15:01:51,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:51,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:51,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178116634] [2021-03-26 15:01:51,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:51,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:51,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:51,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:51,907 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:51,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 135 transitions, 1299 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:51,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:51,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:51,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:52,274 INFO L129 PetriNetUnfolder]: 302/606 cut-off events. [2021-03-26 15:01:52,274 INFO L130 PetriNetUnfolder]: For 1253/1277 co-relation queries the response was YES. [2021-03-26 15:01:52,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2785 conditions, 606 events. 302/606 cut-off events. For 1253/1277 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3046 event pairs, 14 based on Foata normal form. 15/554 useless extension candidates. Maximal degree in co-relation 2730. Up to 359 conditions per place. [2021-03-26 15:01:52,280 INFO L132 encePairwiseOnDemand]: 76/93 looper letters, 104 selfloop transitions, 53 changer transitions 1/176 dead transitions. [2021-03-26 15:01:52,281 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 176 transitions, 1982 flow [2021-03-26 15:01:52,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:01:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:01:52,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 15:01:52,283 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5732009925558312 [2021-03-26 15:01:52,283 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 15:01:52,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 15:01:52,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:52,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 15:01:52,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:52,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:52,287 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:52,287 INFO L185 Difference]: Start difference. First operand has 86 places, 135 transitions, 1299 flow. Second operand 13 states and 693 transitions. [2021-03-26 15:01:52,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 176 transitions, 1982 flow [2021-03-26 15:01:52,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 176 transitions, 1904 flow, removed 36 selfloop flow, removed 1 redundant places. [2021-03-26 15:01:52,297 INFO L241 Difference]: Finished difference. Result has 103 places, 161 transitions, 1691 flow [2021-03-26 15:01:52,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=1221, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1691, PETRI_PLACES=103, PETRI_TRANSITIONS=161} [2021-03-26 15:01:52,298 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 50 predicate places. [2021-03-26 15:01:52,298 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:52,298 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 161 transitions, 1691 flow [2021-03-26 15:01:52,298 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 161 transitions, 1691 flow [2021-03-26 15:01:52,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 161 transitions, 1691 flow [2021-03-26 15:01:52,332 INFO L129 PetriNetUnfolder]: 225/482 cut-off events. [2021-03-26 15:01:52,332 INFO L130 PetriNetUnfolder]: For 1280/1291 co-relation queries the response was YES. [2021-03-26 15:01:52,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2160 conditions, 482 events. 225/482 cut-off events. For 1280/1291 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2454 event pairs, 10 based on Foata normal form. 3/427 useless extension candidates. Maximal degree in co-relation 2125. Up to 222 conditions per place. [2021-03-26 15:01:52,338 INFO L142 LiptonReduction]: Number of co-enabled transitions 934 [2021-03-26 15:01:52,346 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:52,347 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:52,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 15:01:52,347 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 161 transitions, 1691 flow [2021-03-26 15:01:52,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:52,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:52,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:52,348 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 15:01:52,348 INFO L428 AbstractCegarLoop]: === Iteration 11 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:52,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:52,348 INFO L82 PathProgramCache]: Analyzing trace with hash -865061601, now seen corresponding path program 1 times [2021-03-26 15:01:52,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:52,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31192085] [2021-03-26 15:01:52,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:52,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:52,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:52,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:52,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:52,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:52,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:52,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:52,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:52,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:52,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:52,456 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:52,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:52,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:52,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31192085] [2021-03-26 15:01:52,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:52,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:01:52,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235556480] [2021-03-26 15:01:52,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:01:52,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:52,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:01:52,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:01:52,461 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:52,461 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 161 transitions, 1691 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:52,461 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:52,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:52,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:52,774 INFO L129 PetriNetUnfolder]: 318/657 cut-off events. [2021-03-26 15:01:52,774 INFO L130 PetriNetUnfolder]: For 1792/1824 co-relation queries the response was YES. [2021-03-26 15:01:52,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3200 conditions, 657 events. 318/657 cut-off events. For 1792/1824 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3453 event pairs, 17 based on Foata normal form. 17/594 useless extension candidates. Maximal degree in co-relation 3162. Up to 332 conditions per place. [2021-03-26 15:01:52,780 INFO L132 encePairwiseOnDemand]: 77/93 looper letters, 65 selfloop transitions, 66 changer transitions 39/188 dead transitions. [2021-03-26 15:01:52,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 188 transitions, 2288 flow [2021-03-26 15:01:52,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:01:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:01:52,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 552 transitions. [2021-03-26 15:01:52,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5935483870967742 [2021-03-26 15:01:52,796 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 552 transitions. [2021-03-26 15:01:52,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 552 transitions. [2021-03-26 15:01:52,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:52,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 552 transitions. [2021-03-26 15:01:52,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 55.2) internal successors, (552), 10 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:52,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:52,800 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:52,800 INFO L185 Difference]: Start difference. First operand has 102 places, 161 transitions, 1691 flow. Second operand 10 states and 552 transitions. [2021-03-26 15:01:52,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 188 transitions, 2288 flow [2021-03-26 15:01:52,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 188 transitions, 2213 flow, removed 33 selfloop flow, removed 3 redundant places. [2021-03-26 15:01:52,816 INFO L241 Difference]: Finished difference. Result has 114 places, 138 transitions, 1648 flow [2021-03-26 15:01:52,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=1626, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1648, PETRI_PLACES=114, PETRI_TRANSITIONS=138} [2021-03-26 15:01:52,816 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 61 predicate places. [2021-03-26 15:01:52,816 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:52,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 138 transitions, 1648 flow [2021-03-26 15:01:52,817 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 138 transitions, 1648 flow [2021-03-26 15:01:52,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 138 transitions, 1648 flow [2021-03-26 15:01:52,852 INFO L129 PetriNetUnfolder]: 219/469 cut-off events. [2021-03-26 15:01:52,852 INFO L130 PetriNetUnfolder]: For 1760/1766 co-relation queries the response was YES. [2021-03-26 15:01:52,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2370 conditions, 469 events. 219/469 cut-off events. For 1760/1766 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2268 event pairs, 18 based on Foata normal form. 3/411 useless extension candidates. Maximal degree in co-relation 2331. Up to 216 conditions per place. [2021-03-26 15:01:52,858 INFO L142 LiptonReduction]: Number of co-enabled transitions 736 [2021-03-26 15:01:52,866 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:52,866 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:52,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-26 15:01:52,869 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 138 transitions, 1648 flow [2021-03-26 15:01:52,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:52,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:52,869 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:52,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 15:01:52,869 INFO L428 AbstractCegarLoop]: === Iteration 12 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:52,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:52,870 INFO L82 PathProgramCache]: Analyzing trace with hash -466361952, now seen corresponding path program 2 times [2021-03-26 15:01:52,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:52,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063032838] [2021-03-26 15:01:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:52,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:52,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:52,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:52,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:52,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:52,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:52,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:52,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:52,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:52,997 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:52,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:53,015 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:53,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:53,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063032838] [2021-03-26 15:01:53,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:53,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:53,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559680888] [2021-03-26 15:01:53,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:53,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:53,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:53,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:53,020 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:53,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 138 transitions, 1648 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:53,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:53,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:53,405 INFO L129 PetriNetUnfolder]: 302/604 cut-off events. [2021-03-26 15:01:53,405 INFO L130 PetriNetUnfolder]: For 2631/2646 co-relation queries the response was YES. [2021-03-26 15:01:53,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3374 conditions, 604 events. 302/604 cut-off events. For 2631/2646 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2972 event pairs, 26 based on Foata normal form. 13/549 useless extension candidates. Maximal degree in co-relation 3313. Up to 342 conditions per place. [2021-03-26 15:01:53,412 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 80 selfloop transitions, 81 changer transitions 0/179 dead transitions. [2021-03-26 15:01:53,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 179 transitions, 2478 flow [2021-03-26 15:01:53,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:01:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:01:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 754 transitions. [2021-03-26 15:01:53,414 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5791090629800307 [2021-03-26 15:01:53,414 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 754 transitions. [2021-03-26 15:01:53,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 754 transitions. [2021-03-26 15:01:53,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:53,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 754 transitions. [2021-03-26 15:01:53,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.857142857142854) internal successors, (754), 14 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,419 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,419 INFO L185 Difference]: Start difference. First operand has 106 places, 138 transitions, 1648 flow. Second operand 14 states and 754 transitions. [2021-03-26 15:01:53,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 179 transitions, 2478 flow [2021-03-26 15:01:53,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 179 transitions, 2088 flow, removed 34 selfloop flow, removed 17 redundant places. [2021-03-26 15:01:53,435 INFO L241 Difference]: Finished difference. Result has 104 places, 166 transitions, 1929 flow [2021-03-26 15:01:53,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=1347, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1929, PETRI_PLACES=104, PETRI_TRANSITIONS=166} [2021-03-26 15:01:53,436 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 51 predicate places. [2021-03-26 15:01:53,436 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:53,436 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 166 transitions, 1929 flow [2021-03-26 15:01:53,436 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 166 transitions, 1929 flow [2021-03-26 15:01:53,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 166 transitions, 1929 flow [2021-03-26 15:01:53,473 INFO L129 PetriNetUnfolder]: 246/524 cut-off events. [2021-03-26 15:01:53,473 INFO L130 PetriNetUnfolder]: For 1484/1487 co-relation queries the response was YES. [2021-03-26 15:01:53,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2555 conditions, 524 events. 246/524 cut-off events. For 1484/1487 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2614 event pairs, 10 based on Foata normal form. 1/458 useless extension candidates. Maximal degree in co-relation 2495. Up to 245 conditions per place. [2021-03-26 15:01:53,480 INFO L142 LiptonReduction]: Number of co-enabled transitions 868 [2021-03-26 15:01:53,489 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:53,490 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:53,490 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-03-26 15:01:53,490 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 166 transitions, 1929 flow [2021-03-26 15:01:53,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:53,491 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:53,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 15:01:53,491 INFO L428 AbstractCegarLoop]: === Iteration 13 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:53,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:53,491 INFO L82 PathProgramCache]: Analyzing trace with hash 859724516, now seen corresponding path program 3 times [2021-03-26 15:01:53,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:53,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081646802] [2021-03-26 15:01:53,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:53,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:53,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:53,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:53,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:53,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:53,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:53,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:53,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:53,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:53,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:53,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:53,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:53,570 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:01:53,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:01:53,574 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:01:53,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:53,588 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:01:53,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:53,604 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:01:53,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:53,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081646802] [2021-03-26 15:01:53,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:53,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:01:53,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783547429] [2021-03-26 15:01:53,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:01:53,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:53,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:01:53,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:01:53,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:53,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 166 transitions, 1929 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:53,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:53,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:53,903 INFO L129 PetriNetUnfolder]: 312/632 cut-off events. [2021-03-26 15:01:53,904 INFO L130 PetriNetUnfolder]: For 1963/1971 co-relation queries the response was YES. [2021-03-26 15:01:53,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3361 conditions, 632 events. 312/632 cut-off events. For 1963/1971 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3212 event pairs, 11 based on Foata normal form. 9/570 useless extension candidates. Maximal degree in co-relation 3293. Up to 380 conditions per place. [2021-03-26 15:01:53,912 INFO L132 encePairwiseOnDemand]: 79/93 looper letters, 138 selfloop transitions, 37 changer transitions 3/196 dead transitions. [2021-03-26 15:01:53,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 196 transitions, 2591 flow [2021-03-26 15:01:53,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:01:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:01:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 586 transitions. [2021-03-26 15:01:53,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5728250244379277 [2021-03-26 15:01:53,914 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 586 transitions. [2021-03-26 15:01:53,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 586 transitions. [2021-03-26 15:01:53,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:53,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 586 transitions. [2021-03-26 15:01:53,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.27272727272727) internal successors, (586), 11 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,918 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,918 INFO L185 Difference]: Start difference. First operand has 104 places, 166 transitions, 1929 flow. Second operand 11 states and 586 transitions. [2021-03-26 15:01:53,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 196 transitions, 2591 flow [2021-03-26 15:01:53,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 196 transitions, 2531 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-26 15:01:53,934 INFO L241 Difference]: Finished difference. Result has 113 places, 182 transitions, 2200 flow [2021-03-26 15:01:53,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=1869, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2200, PETRI_PLACES=113, PETRI_TRANSITIONS=182} [2021-03-26 15:01:53,934 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 60 predicate places. [2021-03-26 15:01:53,934 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:53,934 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 182 transitions, 2200 flow [2021-03-26 15:01:53,934 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 182 transitions, 2200 flow [2021-03-26 15:01:53,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 182 transitions, 2200 flow [2021-03-26 15:01:53,977 INFO L129 PetriNetUnfolder]: 259/531 cut-off events. [2021-03-26 15:01:53,977 INFO L130 PetriNetUnfolder]: For 2163/2196 co-relation queries the response was YES. [2021-03-26 15:01:53,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2770 conditions, 531 events. 259/531 cut-off events. For 2163/2196 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2700 event pairs, 10 based on Foata normal form. 8/467 useless extension candidates. Maximal degree in co-relation 2728. Up to 256 conditions per place. [2021-03-26 15:01:53,985 INFO L142 LiptonReduction]: Number of co-enabled transitions 884 [2021-03-26 15:01:53,995 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:53,995 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:53,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-26 15:01:53,996 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 182 transitions, 2200 flow [2021-03-26 15:01:53,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:53,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:53,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:53,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 15:01:53,996 INFO L428 AbstractCegarLoop]: === Iteration 14 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:53,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:53,997 INFO L82 PathProgramCache]: Analyzing trace with hash -310880028, now seen corresponding path program 4 times [2021-03-26 15:01:53,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:53,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539829186] [2021-03-26 15:01:53,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:54,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:54,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:54,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:54,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:54,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:54,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:54,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:54,106 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:01:54,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:01:54,122 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:54,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:54,140 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:54,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:54,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:54,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539829186] [2021-03-26 15:01:54,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:54,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:54,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52506129] [2021-03-26 15:01:54,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:54,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:54,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:54,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:54,144 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:54,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 182 transitions, 2200 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:54,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:54,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:54,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:54,486 INFO L129 PetriNetUnfolder]: 321/655 cut-off events. [2021-03-26 15:01:54,487 INFO L130 PetriNetUnfolder]: For 2658/2739 co-relation queries the response was YES. [2021-03-26 15:01:54,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3700 conditions, 655 events. 321/655 cut-off events. For 2658/2739 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3396 event pairs, 16 based on Foata normal form. 34/615 useless extension candidates. Maximal degree in co-relation 3655. Up to 397 conditions per place. [2021-03-26 15:01:54,494 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 139 selfloop transitions, 48 changer transitions 2/207 dead transitions. [2021-03-26 15:01:54,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 207 transitions, 2851 flow [2021-03-26 15:01:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:01:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:01:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 633 transitions. [2021-03-26 15:01:54,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5672043010752689 [2021-03-26 15:01:54,496 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 633 transitions. [2021-03-26 15:01:54,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 633 transitions. [2021-03-26 15:01:54,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:54,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 633 transitions. [2021-03-26 15:01:54,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.75) internal successors, (633), 12 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:54,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:54,499 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:54,499 INFO L185 Difference]: Start difference. First operand has 111 places, 182 transitions, 2200 flow. Second operand 12 states and 633 transitions. [2021-03-26 15:01:54,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 207 transitions, 2851 flow [2021-03-26 15:01:54,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 207 transitions, 2725 flow, removed 56 selfloop flow, removed 3 redundant places. [2021-03-26 15:01:54,519 INFO L241 Difference]: Finished difference. Result has 124 places, 195 transitions, 2426 flow [2021-03-26 15:01:54,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2074, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2426, PETRI_PLACES=124, PETRI_TRANSITIONS=195} [2021-03-26 15:01:54,519 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 71 predicate places. [2021-03-26 15:01:54,519 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:54,520 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 195 transitions, 2426 flow [2021-03-26 15:01:54,520 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 195 transitions, 2426 flow [2021-03-26 15:01:54,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 195 transitions, 2426 flow [2021-03-26 15:01:54,562 INFO L129 PetriNetUnfolder]: 258/539 cut-off events. [2021-03-26 15:01:54,563 INFO L130 PetriNetUnfolder]: For 2337/2368 co-relation queries the response was YES. [2021-03-26 15:01:54,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2904 conditions, 539 events. 258/539 cut-off events. For 2337/2368 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2826 event pairs, 12 based on Foata normal form. 3/475 useless extension candidates. Maximal degree in co-relation 2830. Up to 240 conditions per place. [2021-03-26 15:01:54,570 INFO L142 LiptonReduction]: Number of co-enabled transitions 970 [2021-03-26 15:01:54,580 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:54,580 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:54,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-26 15:01:54,580 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 195 transitions, 2426 flow [2021-03-26 15:01:54,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:54,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:54,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:54,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 15:01:54,581 INFO L428 AbstractCegarLoop]: === Iteration 15 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:54,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:54,581 INFO L82 PathProgramCache]: Analyzing trace with hash 843199174, now seen corresponding path program 5 times [2021-03-26 15:01:54,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:54,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64814740] [2021-03-26 15:01:54,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:54,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:54,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:54,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:54,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:54,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:54,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:54,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:54,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:54,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:54,692 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:01:54,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:54,710 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:01:54,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:54,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64814740] [2021-03-26 15:01:54,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:54,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:54,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325566082] [2021-03-26 15:01:54,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:54,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:54,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:54,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:54,719 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:54,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 195 transitions, 2426 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:54,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:54,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:54,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:55,082 INFO L129 PetriNetUnfolder]: 334/680 cut-off events. [2021-03-26 15:01:55,082 INFO L130 PetriNetUnfolder]: For 3501/3541 co-relation queries the response was YES. [2021-03-26 15:01:55,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3977 conditions, 680 events. 334/680 cut-off events. For 3501/3541 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3551 event pairs, 15 based on Foata normal form. 29/635 useless extension candidates. Maximal degree in co-relation 3887. Up to 407 conditions per place. [2021-03-26 15:01:55,091 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 157 selfloop transitions, 54 changer transitions 0/229 dead transitions. [2021-03-26 15:01:55,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 229 transitions, 3228 flow [2021-03-26 15:01:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:01:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:01:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 643 transitions. [2021-03-26 15:01:55,092 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5761648745519713 [2021-03-26 15:01:55,093 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 643 transitions. [2021-03-26 15:01:55,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 643 transitions. [2021-03-26 15:01:55,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:55,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 643 transitions. [2021-03-26 15:01:55,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.583333333333336) internal successors, (643), 12 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,096 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,096 INFO L185 Difference]: Start difference. First operand has 123 places, 195 transitions, 2426 flow. Second operand 12 states and 643 transitions. [2021-03-26 15:01:55,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 229 transitions, 3228 flow [2021-03-26 15:01:55,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 229 transitions, 3142 flow, removed 13 selfloop flow, removed 9 redundant places. [2021-03-26 15:01:55,118 INFO L241 Difference]: Finished difference. Result has 128 places, 213 transitions, 2780 flow [2021-03-26 15:01:55,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2346, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2780, PETRI_PLACES=128, PETRI_TRANSITIONS=213} [2021-03-26 15:01:55,118 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 75 predicate places. [2021-03-26 15:01:55,119 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:55,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 213 transitions, 2780 flow [2021-03-26 15:01:55,119 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 213 transitions, 2780 flow [2021-03-26 15:01:55,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 213 transitions, 2780 flow [2021-03-26 15:01:55,166 INFO L129 PetriNetUnfolder]: 277/585 cut-off events. [2021-03-26 15:01:55,166 INFO L130 PetriNetUnfolder]: For 2994/3022 co-relation queries the response was YES. [2021-03-26 15:01:55,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3257 conditions, 585 events. 277/585 cut-off events. For 2994/3022 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3099 event pairs, 14 based on Foata normal form. 2/512 useless extension candidates. Maximal degree in co-relation 3189. Up to 246 conditions per place. [2021-03-26 15:01:55,175 INFO L142 LiptonReduction]: Number of co-enabled transitions 992 [2021-03-26 15:01:55,186 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:55,187 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:55,187 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-26 15:01:55,187 INFO L480 AbstractCegarLoop]: Abstraction has has 128 places, 213 transitions, 2780 flow [2021-03-26 15:01:55,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,188 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:55,188 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:55,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 15:01:55,188 INFO L428 AbstractCegarLoop]: === Iteration 16 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:55,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:55,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1402947680, now seen corresponding path program 6 times [2021-03-26 15:01:55,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:55,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099257977] [2021-03-26 15:01:55,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:55,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:55,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:55,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:55,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:55,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:55,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:55,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:55,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:55,295 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:01:55,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:55,314 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:01:55,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:55,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099257977] [2021-03-26 15:01:55,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:55,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:55,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087450906] [2021-03-26 15:01:55,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:55,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:55,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:55,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:55,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:55,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 213 transitions, 2780 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:55,320 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:55,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:55,688 INFO L129 PetriNetUnfolder]: 344/712 cut-off events. [2021-03-26 15:01:55,688 INFO L130 PetriNetUnfolder]: For 3874/3902 co-relation queries the response was YES. [2021-03-26 15:01:55,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4263 conditions, 712 events. 344/712 cut-off events. For 3874/3902 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3785 event pairs, 13 based on Foata normal form. 17/647 useless extension candidates. Maximal degree in co-relation 4185. Up to 409 conditions per place. [2021-03-26 15:01:55,715 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 153 selfloop transitions, 68 changer transitions 0/239 dead transitions. [2021-03-26 15:01:55,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 239 transitions, 3497 flow [2021-03-26 15:01:55,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:01:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:01:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 15:01:55,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.578853046594982 [2021-03-26 15:01:55,717 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 15:01:55,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 15:01:55,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:55,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 15:01:55,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,720 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,720 INFO L185 Difference]: Start difference. First operand has 128 places, 213 transitions, 2780 flow. Second operand 12 states and 646 transitions. [2021-03-26 15:01:55,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 239 transitions, 3497 flow [2021-03-26 15:01:55,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 239 transitions, 3384 flow, removed 41 selfloop flow, removed 6 redundant places. [2021-03-26 15:01:55,746 INFO L241 Difference]: Finished difference. Result has 136 places, 223 transitions, 3034 flow [2021-03-26 15:01:55,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2673, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3034, PETRI_PLACES=136, PETRI_TRANSITIONS=223} [2021-03-26 15:01:55,746 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 83 predicate places. [2021-03-26 15:01:55,746 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:55,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 223 transitions, 3034 flow [2021-03-26 15:01:55,747 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 223 transitions, 3034 flow [2021-03-26 15:01:55,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 136 places, 223 transitions, 3034 flow [2021-03-26 15:01:55,800 INFO L129 PetriNetUnfolder]: 288/623 cut-off events. [2021-03-26 15:01:55,800 INFO L130 PetriNetUnfolder]: For 3554/3577 co-relation queries the response was YES. [2021-03-26 15:01:55,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3501 conditions, 623 events. 288/623 cut-off events. For 3554/3577 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3385 event pairs, 15 based on Foata normal form. 1/541 useless extension candidates. Maximal degree in co-relation 3424. Up to 251 conditions per place. [2021-03-26 15:01:55,809 INFO L142 LiptonReduction]: Number of co-enabled transitions 1012 [2021-03-26 15:01:55,819 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:55,820 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:55,820 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-26 15:01:55,820 INFO L480 AbstractCegarLoop]: Abstraction has has 136 places, 223 transitions, 3034 flow [2021-03-26 15:01:55,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,821 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:55,821 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:55,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 15:01:55,821 INFO L428 AbstractCegarLoop]: === Iteration 17 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:55,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:55,821 INFO L82 PathProgramCache]: Analyzing trace with hash 637320972, now seen corresponding path program 7 times [2021-03-26 15:01:55,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:55,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370551542] [2021-03-26 15:01:55,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:55,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:55,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:55,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:55,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:55,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:55,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:55,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:55,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:55,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:55,925 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:55,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:55,941 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:01:55,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:55,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370551542] [2021-03-26 15:01:55,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:55,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:55,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145354115] [2021-03-26 15:01:55,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:55,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:55,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:55,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:55,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:55,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 223 transitions, 3034 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:55,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:55,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:55,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:56,261 INFO L129 PetriNetUnfolder]: 345/721 cut-off events. [2021-03-26 15:01:56,261 INFO L130 PetriNetUnfolder]: For 4599/4635 co-relation queries the response was YES. [2021-03-26 15:01:56,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4426 conditions, 721 events. 345/721 cut-off events. For 4599/4635 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3935 event pairs, 14 based on Foata normal form. 29/666 useless extension candidates. Maximal degree in co-relation 4343. Up to 431 conditions per place. [2021-03-26 15:01:56,271 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 175 selfloop transitions, 41 changer transitions 4/238 dead transitions. [2021-03-26 15:01:56,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 238 transitions, 3599 flow [2021-03-26 15:01:56,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:01:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:01:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 587 transitions. [2021-03-26 15:01:56,272 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5738025415444771 [2021-03-26 15:01:56,272 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 587 transitions. [2021-03-26 15:01:56,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 587 transitions. [2021-03-26 15:01:56,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:56,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 587 transitions. [2021-03-26 15:01:56,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.36363636363637) internal successors, (587), 11 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:56,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:56,275 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:56,275 INFO L185 Difference]: Start difference. First operand has 136 places, 223 transitions, 3034 flow. Second operand 11 states and 587 transitions. [2021-03-26 15:01:56,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 238 transitions, 3599 flow [2021-03-26 15:01:56,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 238 transitions, 3512 flow, removed 25 selfloop flow, removed 6 redundant places. [2021-03-26 15:01:56,309 INFO L241 Difference]: Finished difference. Result has 142 places, 222 transitions, 3034 flow [2021-03-26 15:01:56,309 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2947, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3034, PETRI_PLACES=142, PETRI_TRANSITIONS=222} [2021-03-26 15:01:56,310 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 89 predicate places. [2021-03-26 15:01:56,310 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:56,310 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 222 transitions, 3034 flow [2021-03-26 15:01:56,310 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 222 transitions, 3034 flow [2021-03-26 15:01:56,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 222 transitions, 3034 flow [2021-03-26 15:01:56,362 INFO L129 PetriNetUnfolder]: 287/618 cut-off events. [2021-03-26 15:01:56,362 INFO L130 PetriNetUnfolder]: For 3638/3661 co-relation queries the response was YES. [2021-03-26 15:01:56,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3503 conditions, 618 events. 287/618 cut-off events. For 3638/3661 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3404 event pairs, 12 based on Foata normal form. 1/536 useless extension candidates. Maximal degree in co-relation 3432. Up to 247 conditions per place. [2021-03-26 15:01:56,372 INFO L142 LiptonReduction]: Number of co-enabled transitions 1002 [2021-03-26 15:01:56,382 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:56,383 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:56,383 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 15:01:56,383 INFO L480 AbstractCegarLoop]: Abstraction has has 140 places, 222 transitions, 3034 flow [2021-03-26 15:01:56,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:56,384 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:56,384 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:56,384 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 15:01:56,384 INFO L428 AbstractCegarLoop]: === Iteration 18 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:56,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:56,384 INFO L82 PathProgramCache]: Analyzing trace with hash -2096633996, now seen corresponding path program 8 times [2021-03-26 15:01:56,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:56,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163110374] [2021-03-26 15:01:56,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:56,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:56,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:56,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:56,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:56,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:56,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:56,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:56,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:56,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:56,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:56,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:56,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:56,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:56,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:56,487 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:56,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:56,501 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:01:56,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:56,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163110374] [2021-03-26 15:01:56,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:56,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:56,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744130174] [2021-03-26 15:01:56,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:56,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:56,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:56,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:56,507 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:56,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 222 transitions, 3034 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:56,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:56,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:56,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:56,886 INFO L129 PetriNetUnfolder]: 338/699 cut-off events. [2021-03-26 15:01:56,886 INFO L130 PetriNetUnfolder]: For 4447/4455 co-relation queries the response was YES. [2021-03-26 15:01:56,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4416 conditions, 699 events. 338/699 cut-off events. For 4447/4455 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3693 event pairs, 15 based on Foata normal form. 9/630 useless extension candidates. Maximal degree in co-relation 4340. Up to 421 conditions per place. [2021-03-26 15:01:56,896 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 163 selfloop transitions, 51 changer transitions 4/236 dead transitions. [2021-03-26 15:01:56,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 236 transitions, 3576 flow [2021-03-26 15:01:56,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:01:56,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:01:56,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 591 transitions. [2021-03-26 15:01:56,898 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5777126099706745 [2021-03-26 15:01:56,898 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 591 transitions. [2021-03-26 15:01:56,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 591 transitions. [2021-03-26 15:01:56,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:56,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 591 transitions. [2021-03-26 15:01:56,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.72727272727273) internal successors, (591), 11 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:56,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:56,901 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:56,901 INFO L185 Difference]: Start difference. First operand has 140 places, 222 transitions, 3034 flow. Second operand 11 states and 591 transitions. [2021-03-26 15:01:56,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 236 transitions, 3576 flow [2021-03-26 15:01:56,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 236 transitions, 3503 flow, removed 6 selfloop flow, removed 9 redundant places. [2021-03-26 15:01:56,936 INFO L241 Difference]: Finished difference. Result has 143 places, 220 transitions, 3068 flow [2021-03-26 15:01:56,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2963, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3068, PETRI_PLACES=143, PETRI_TRANSITIONS=220} [2021-03-26 15:01:56,936 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 90 predicate places. [2021-03-26 15:01:56,936 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:56,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 220 transitions, 3068 flow [2021-03-26 15:01:56,937 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 220 transitions, 3068 flow [2021-03-26 15:01:56,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 220 transitions, 3068 flow [2021-03-26 15:01:56,989 INFO L129 PetriNetUnfolder]: 277/588 cut-off events. [2021-03-26 15:01:56,989 INFO L130 PetriNetUnfolder]: For 3724/3747 co-relation queries the response was YES. [2021-03-26 15:01:56,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3481 conditions, 588 events. 277/588 cut-off events. For 3724/3747 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3126 event pairs, 13 based on Foata normal form. 1/516 useless extension candidates. Maximal degree in co-relation 3414. Up to 245 conditions per place. [2021-03-26 15:01:56,998 INFO L142 LiptonReduction]: Number of co-enabled transitions 992 [2021-03-26 15:01:57,009 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:57,009 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:57,009 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 15:01:57,010 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 220 transitions, 3068 flow [2021-03-26 15:01:57,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:57,010 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:57,011 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:57,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 15:01:57,011 INFO L428 AbstractCegarLoop]: === Iteration 19 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:57,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:57,011 INFO L82 PathProgramCache]: Analyzing trace with hash -999020742, now seen corresponding path program 9 times [2021-03-26 15:01:57,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:57,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632591953] [2021-03-26 15:01:57,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:57,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:57,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:57,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:57,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:57,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:57,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:57,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:57,109 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:01:57,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:01:57,125 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:57,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:57,144 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:57,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:57,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632591953] [2021-03-26 15:01:57,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:57,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:57,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038534575] [2021-03-26 15:01:57,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:57,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:57,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:57,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:57,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:57,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 220 transitions, 3068 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:57,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:57,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:57,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:57,527 INFO L129 PetriNetUnfolder]: 334/693 cut-off events. [2021-03-26 15:01:57,528 INFO L130 PetriNetUnfolder]: For 4462/4490 co-relation queries the response was YES. [2021-03-26 15:01:57,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4417 conditions, 693 events. 334/693 cut-off events. For 4462/4490 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3671 event pairs, 18 based on Foata normal form. 17/633 useless extension candidates. Maximal degree in co-relation 4339. Up to 417 conditions per place. [2021-03-26 15:01:57,536 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 159 selfloop transitions, 54 changer transitions 3/234 dead transitions. [2021-03-26 15:01:57,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 234 transitions, 3604 flow [2021-03-26 15:01:57,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:01:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:01:57,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 687 transitions. [2021-03-26 15:01:57,538 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5682382133995038 [2021-03-26 15:01:57,538 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 687 transitions. [2021-03-26 15:01:57,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 687 transitions. [2021-03-26 15:01:57,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:57,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 687 transitions. [2021-03-26 15:01:57,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.84615384615385) internal successors, (687), 13 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:57,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:57,541 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:57,541 INFO L185 Difference]: Start difference. First operand has 141 places, 220 transitions, 3068 flow. Second operand 13 states and 687 transitions. [2021-03-26 15:01:57,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 234 transitions, 3604 flow [2021-03-26 15:01:57,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 234 transitions, 3481 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-26 15:01:57,580 INFO L241 Difference]: Finished difference. Result has 144 places, 218 transitions, 3045 flow [2021-03-26 15:01:57,580 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2951, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3045, PETRI_PLACES=144, PETRI_TRANSITIONS=218} [2021-03-26 15:01:57,581 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 91 predicate places. [2021-03-26 15:01:57,581 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:57,581 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 218 transitions, 3045 flow [2021-03-26 15:01:57,583 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 218 transitions, 3045 flow [2021-03-26 15:01:57,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 218 transitions, 3045 flow [2021-03-26 15:01:57,638 INFO L129 PetriNetUnfolder]: 275/591 cut-off events. [2021-03-26 15:01:57,638 INFO L130 PetriNetUnfolder]: For 3583/3606 co-relation queries the response was YES. [2021-03-26 15:01:57,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3462 conditions, 591 events. 275/591 cut-off events. For 3583/3606 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3169 event pairs, 9 based on Foata normal form. 1/517 useless extension candidates. Maximal degree in co-relation 3396. Up to 243 conditions per place. [2021-03-26 15:01:57,648 INFO L142 LiptonReduction]: Number of co-enabled transitions 992 [2021-03-26 15:01:57,659 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:57,659 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:57,659 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 78 [2021-03-26 15:01:57,661 INFO L480 AbstractCegarLoop]: Abstraction has has 143 places, 218 transitions, 3045 flow [2021-03-26 15:01:57,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:57,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:57,661 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, 1, 1] [2021-03-26 15:01:57,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 15:01:57,661 INFO L428 AbstractCegarLoop]: === Iteration 20 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:57,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:57,663 INFO L82 PathProgramCache]: Analyzing trace with hash -17503932, now seen corresponding path program 10 times [2021-03-26 15:01:57,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:57,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965633298] [2021-03-26 15:01:57,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:57,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:57,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:57,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:57,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:57,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:57,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:57,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:57,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:57,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:57,787 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:57,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:57,803 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:01:57,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:57,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965633298] [2021-03-26 15:01:57,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:57,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:01:57,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513470807] [2021-03-26 15:01:57,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:01:57,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:57,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:01:57,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:01:57,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:57,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 218 transitions, 3045 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:57,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:57,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:57,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:58,096 INFO L129 PetriNetUnfolder]: 335/695 cut-off events. [2021-03-26 15:01:58,097 INFO L130 PetriNetUnfolder]: For 4707/4743 co-relation queries the response was YES. [2021-03-26 15:01:58,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4416 conditions, 695 events. 335/695 cut-off events. For 4707/4743 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3737 event pairs, 19 based on Foata normal form. 23/640 useless extension candidates. Maximal degree in co-relation 4344. Up to 408 conditions per place. [2021-03-26 15:01:58,109 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 144 selfloop transitions, 72 changer transitions 0/234 dead transitions. [2021-03-26 15:01:58,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 234 transitions, 3645 flow [2021-03-26 15:01:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:01:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:01:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 592 transitions. [2021-03-26 15:01:58,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5786901270772239 [2021-03-26 15:01:58,111 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 592 transitions. [2021-03-26 15:01:58,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 592 transitions. [2021-03-26 15:01:58,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:58,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 592 transitions. [2021-03-26 15:01:58,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.81818181818182) internal successors, (592), 11 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,114 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,114 INFO L185 Difference]: Start difference. First operand has 143 places, 218 transitions, 3045 flow. Second operand 11 states and 592 transitions. [2021-03-26 15:01:58,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 234 transitions, 3645 flow [2021-03-26 15:01:58,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 234 transitions, 3523 flow, removed 7 selfloop flow, removed 12 redundant places. [2021-03-26 15:01:58,146 INFO L241 Difference]: Finished difference. Result has 144 places, 221 transitions, 3209 flow [2021-03-26 15:01:58,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2923, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3209, PETRI_PLACES=144, PETRI_TRANSITIONS=221} [2021-03-26 15:01:58,146 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 91 predicate places. [2021-03-26 15:01:58,146 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:58,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 221 transitions, 3209 flow [2021-03-26 15:01:58,147 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 221 transitions, 3209 flow [2021-03-26 15:01:58,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 221 transitions, 3209 flow [2021-03-26 15:01:58,198 INFO L129 PetriNetUnfolder]: 278/600 cut-off events. [2021-03-26 15:01:58,199 INFO L130 PetriNetUnfolder]: For 3554/3576 co-relation queries the response was YES. [2021-03-26 15:01:58,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3550 conditions, 600 events. 278/600 cut-off events. For 3554/3576 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3230 event pairs, 16 based on Foata normal form. 1/523 useless extension candidates. Maximal degree in co-relation 3450. Up to 245 conditions per place. [2021-03-26 15:01:58,207 INFO L142 LiptonReduction]: Number of co-enabled transitions 1032 [2021-03-26 15:01:58,217 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:58,217 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:58,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-26 15:01:58,218 INFO L480 AbstractCegarLoop]: Abstraction has has 144 places, 221 transitions, 3209 flow [2021-03-26 15:01:58,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:58,218 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:58,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 15:01:58,218 INFO L428 AbstractCegarLoop]: === Iteration 21 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:58,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:58,219 INFO L82 PathProgramCache]: Analyzing trace with hash 973806672, now seen corresponding path program 11 times [2021-03-26 15:01:58,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:58,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561279386] [2021-03-26 15:01:58,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:58,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:58,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:58,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:58,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:58,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:58,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:58,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:58,315 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:58,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:58,331 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:58,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:58,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561279386] [2021-03-26 15:01:58,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:58,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:01:58,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222640743] [2021-03-26 15:01:58,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:01:58,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:58,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:01:58,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:01:58,335 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:58,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 221 transitions, 3209 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:58,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:58,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:58,612 INFO L129 PetriNetUnfolder]: 333/695 cut-off events. [2021-03-26 15:01:58,612 INFO L130 PetriNetUnfolder]: For 4502/4510 co-relation queries the response was YES. [2021-03-26 15:01:58,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4473 conditions, 695 events. 333/695 cut-off events. For 4502/4510 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3684 event pairs, 17 based on Foata normal form. 9/627 useless extension candidates. Maximal degree in co-relation 4363. Up to 421 conditions per place. [2021-03-26 15:01:58,617 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 158 selfloop transitions, 50 changer transitions 6/232 dead transitions. [2021-03-26 15:01:58,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 232 transitions, 3714 flow [2021-03-26 15:01:58,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:01:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:01:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 591 transitions. [2021-03-26 15:01:58,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5777126099706745 [2021-03-26 15:01:58,618 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 591 transitions. [2021-03-26 15:01:58,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 591 transitions. [2021-03-26 15:01:58,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:58,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 591 transitions. [2021-03-26 15:01:58,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.72727272727273) internal successors, (591), 11 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,621 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,621 INFO L185 Difference]: Start difference. First operand has 144 places, 221 transitions, 3209 flow. Second operand 11 states and 591 transitions. [2021-03-26 15:01:58,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 232 transitions, 3714 flow [2021-03-26 15:01:58,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 232 transitions, 3590 flow, removed 8 selfloop flow, removed 8 redundant places. [2021-03-26 15:01:58,652 INFO L241 Difference]: Finished difference. Result has 148 places, 216 transitions, 3129 flow [2021-03-26 15:01:58,652 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3085, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3129, PETRI_PLACES=148, PETRI_TRANSITIONS=216} [2021-03-26 15:01:58,652 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 95 predicate places. [2021-03-26 15:01:58,653 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:58,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 216 transitions, 3129 flow [2021-03-26 15:01:58,653 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 216 transitions, 3129 flow [2021-03-26 15:01:58,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 146 places, 216 transitions, 3129 flow [2021-03-26 15:01:58,703 INFO L129 PetriNetUnfolder]: 273/586 cut-off events. [2021-03-26 15:01:58,703 INFO L130 PetriNetUnfolder]: For 3424/3443 co-relation queries the response was YES. [2021-03-26 15:01:58,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3499 conditions, 586 events. 273/586 cut-off events. For 3424/3443 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3142 event pairs, 12 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 3394. Up to 240 conditions per place. [2021-03-26 15:01:58,711 INFO L142 LiptonReduction]: Number of co-enabled transitions 980 [2021-03-26 15:01:58,731 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:58,731 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:58,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-26 15:01:58,736 INFO L480 AbstractCegarLoop]: Abstraction has has 146 places, 216 transitions, 3129 flow [2021-03-26 15:01:58,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:58,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:58,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 15:01:58,736 INFO L428 AbstractCegarLoop]: === Iteration 22 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:58,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:58,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1928383100, now seen corresponding path program 12 times [2021-03-26 15:01:58,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:58,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826118013] [2021-03-26 15:01:58,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:58,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:58,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:58,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:58,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:58,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:58,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:58,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:58,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:58,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:58,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:58,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:58,870 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:01:58,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:58,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826118013] [2021-03-26 15:01:58,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:58,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:58,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960932326] [2021-03-26 15:01:58,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:58,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:58,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:58,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:58,874 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:58,875 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 216 transitions, 3129 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:58,875 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:58,875 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:58,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:59,212 INFO L129 PetriNetUnfolder]: 330/688 cut-off events. [2021-03-26 15:01:59,212 INFO L130 PetriNetUnfolder]: For 4573/4581 co-relation queries the response was YES. [2021-03-26 15:01:59,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4454 conditions, 688 events. 330/688 cut-off events. For 4573/4581 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3670 event pairs, 17 based on Foata normal form. 10/623 useless extension candidates. Maximal degree in co-relation 4339. Up to 401 conditions per place. [2021-03-26 15:01:59,220 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 139 selfloop transitions, 79 changer transitions 0/236 dead transitions. [2021-03-26 15:01:59,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 236 transitions, 3774 flow [2021-03-26 15:01:59,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:01:59,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:01:59,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 15:01:59,222 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5732009925558312 [2021-03-26 15:01:59,222 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 15:01:59,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 15:01:59,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:59,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 15:01:59,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:59,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:59,225 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:59,225 INFO L185 Difference]: Start difference. First operand has 146 places, 216 transitions, 3129 flow. Second operand 13 states and 693 transitions. [2021-03-26 15:01:59,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 236 transitions, 3774 flow [2021-03-26 15:01:59,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 236 transitions, 3582 flow, removed 6 selfloop flow, removed 13 redundant places. [2021-03-26 15:01:59,258 INFO L241 Difference]: Finished difference. Result has 148 places, 221 transitions, 3268 flow [2021-03-26 15:01:59,259 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2937, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3268, PETRI_PLACES=148, PETRI_TRANSITIONS=221} [2021-03-26 15:01:59,259 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 95 predicate places. [2021-03-26 15:01:59,259 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:59,259 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 221 transitions, 3268 flow [2021-03-26 15:01:59,259 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 221 transitions, 3268 flow [2021-03-26 15:01:59,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 221 transitions, 3268 flow [2021-03-26 15:01:59,311 INFO L129 PetriNetUnfolder]: 277/606 cut-off events. [2021-03-26 15:01:59,311 INFO L130 PetriNetUnfolder]: For 3762/3778 co-relation queries the response was YES. [2021-03-26 15:01:59,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3584 conditions, 606 events. 277/606 cut-off events. For 3762/3778 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3297 event pairs, 15 based on Foata normal form. 0/527 useless extension candidates. Maximal degree in co-relation 3483. Up to 243 conditions per place. [2021-03-26 15:01:59,319 INFO L142 LiptonReduction]: Number of co-enabled transitions 1048 [2021-03-26 15:01:59,330 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:59,330 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:59,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-26 15:01:59,330 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 221 transitions, 3268 flow [2021-03-26 15:01:59,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:59,331 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:59,331 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:59,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 15:01:59,331 INFO L428 AbstractCegarLoop]: === Iteration 23 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:59,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:59,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1225235014, now seen corresponding path program 13 times [2021-03-26 15:01:59,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:59,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880771754] [2021-03-26 15:01:59,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:59,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:59,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:59,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:59,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:59,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:59,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:59,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:59,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:01:59,445 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:01:59,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:01:59,459 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:01:59,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:01:59,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880771754] [2021-03-26 15:01:59,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:01:59,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:01:59,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812145258] [2021-03-26 15:01:59,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:01:59,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:01:59,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:01:59,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:01:59,473 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:01:59,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 221 transitions, 3268 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:59,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:01:59,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:01:59,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:01:59,832 INFO L129 PetriNetUnfolder]: 333/699 cut-off events. [2021-03-26 15:01:59,832 INFO L130 PetriNetUnfolder]: For 4745/4753 co-relation queries the response was YES. [2021-03-26 15:01:59,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4509 conditions, 699 events. 333/699 cut-off events. For 4745/4753 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3762 event pairs, 18 based on Foata normal form. 10/630 useless extension candidates. Maximal degree in co-relation 4404. Up to 413 conditions per place. [2021-03-26 15:01:59,839 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 151 selfloop transitions, 54 changer transitions 11/234 dead transitions. [2021-03-26 15:01:59,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 234 transitions, 3795 flow [2021-03-26 15:01:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:01:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:01:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 15:01:59,840 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5732009925558312 [2021-03-26 15:01:59,840 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 15:01:59,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 15:01:59,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:01:59,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 15:01:59,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:59,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:59,843 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:59,843 INFO L185 Difference]: Start difference. First operand has 148 places, 221 transitions, 3268 flow. Second operand 13 states and 693 transitions. [2021-03-26 15:01:59,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 234 transitions, 3795 flow [2021-03-26 15:01:59,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 234 transitions, 3673 flow, removed 3 selfloop flow, removed 9 redundant places. [2021-03-26 15:01:59,895 INFO L241 Difference]: Finished difference. Result has 153 places, 211 transitions, 3088 flow [2021-03-26 15:01:59,895 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3146, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3088, PETRI_PLACES=153, PETRI_TRANSITIONS=211} [2021-03-26 15:01:59,895 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 100 predicate places. [2021-03-26 15:01:59,895 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:01:59,895 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 211 transitions, 3088 flow [2021-03-26 15:01:59,895 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 211 transitions, 3088 flow [2021-03-26 15:01:59,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 211 transitions, 3088 flow [2021-03-26 15:01:59,940 INFO L129 PetriNetUnfolder]: 271/579 cut-off events. [2021-03-26 15:01:59,940 INFO L130 PetriNetUnfolder]: For 4205/4221 co-relation queries the response was YES. [2021-03-26 15:01:59,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3479 conditions, 579 events. 271/579 cut-off events. For 4205/4221 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3098 event pairs, 14 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 3379. Up to 235 conditions per place. [2021-03-26 15:01:59,945 INFO L142 LiptonReduction]: Number of co-enabled transitions 930 [2021-03-26 15:01:59,954 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:01:59,954 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:01:59,954 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-26 15:01:59,954 INFO L480 AbstractCegarLoop]: Abstraction has has 151 places, 211 transitions, 3088 flow [2021-03-26 15:01:59,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:01:59,954 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:01:59,955 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:01:59,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 15:01:59,955 INFO L428 AbstractCegarLoop]: === Iteration 24 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:01:59,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:01:59,955 INFO L82 PathProgramCache]: Analyzing trace with hash 39984314, now seen corresponding path program 14 times [2021-03-26 15:01:59,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:01:59,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666490366] [2021-03-26 15:01:59,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:01:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:01:59,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:01:59,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:01:59,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:01:59,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:01:59,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:00,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:00,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:00,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:00,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:00,058 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:00,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:00,075 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:00,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:00,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666490366] [2021-03-26 15:02:00,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:00,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:00,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852431222] [2021-03-26 15:02:00,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:00,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:00,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:00,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:00,079 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:02:00,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 211 transitions, 3088 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:00,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:00,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:02:00,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:00,437 INFO L129 PetriNetUnfolder]: 338/695 cut-off events. [2021-03-26 15:02:00,437 INFO L130 PetriNetUnfolder]: For 5115/5143 co-relation queries the response was YES. [2021-03-26 15:02:00,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4560 conditions, 695 events. 338/695 cut-off events. For 5115/5143 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3658 event pairs, 18 based on Foata normal form. 18/635 useless extension candidates. Maximal degree in co-relation 4457. Up to 389 conditions per place. [2021-03-26 15:02:00,442 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 123 selfloop transitions, 91 changer transitions 10/242 dead transitions. [2021-03-26 15:02:00,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 242 transitions, 3950 flow [2021-03-26 15:02:00,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:00,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:00,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 804 transitions. [2021-03-26 15:02:00,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5763440860215053 [2021-03-26 15:02:00,444 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 804 transitions. [2021-03-26 15:02:00,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 804 transitions. [2021-03-26 15:02:00,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:00,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 804 transitions. [2021-03-26 15:02:00,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:00,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 93.0) internal successors, (1488), 16 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:00,447 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 93.0) internal successors, (1488), 16 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:00,447 INFO L185 Difference]: Start difference. First operand has 151 places, 211 transitions, 3088 flow. Second operand 15 states and 804 transitions. [2021-03-26 15:02:00,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 242 transitions, 3950 flow [2021-03-26 15:02:00,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 242 transitions, 3699 flow, removed 12 selfloop flow, removed 17 redundant places. [2021-03-26 15:02:00,480 INFO L241 Difference]: Finished difference. Result has 152 places, 219 transitions, 3256 flow [2021-03-26 15:02:00,480 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2854, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3256, PETRI_PLACES=152, PETRI_TRANSITIONS=219} [2021-03-26 15:02:00,480 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 99 predicate places. [2021-03-26 15:02:00,481 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:00,481 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 219 transitions, 3256 flow [2021-03-26 15:02:00,481 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 219 transitions, 3256 flow [2021-03-26 15:02:00,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 219 transitions, 3256 flow [2021-03-26 15:02:00,530 INFO L129 PetriNetUnfolder]: 271/571 cut-off events. [2021-03-26 15:02:00,531 INFO L130 PetriNetUnfolder]: For 3807/3823 co-relation queries the response was YES. [2021-03-26 15:02:00,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3558 conditions, 571 events. 271/571 cut-off events. For 3807/3823 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2961 event pairs, 13 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 3483. Up to 241 conditions per place. [2021-03-26 15:02:00,538 INFO L142 LiptonReduction]: Number of co-enabled transitions 968 [2021-03-26 15:02:00,548 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:00,548 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:00,548 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-03-26 15:02:00,549 INFO L480 AbstractCegarLoop]: Abstraction has has 151 places, 219 transitions, 3256 flow [2021-03-26 15:02:00,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:00,549 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:00,549 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:00,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 15:02:00,549 INFO L428 AbstractCegarLoop]: === Iteration 25 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:00,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:00,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1405124612, now seen corresponding path program 15 times [2021-03-26 15:02:00,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:00,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476199924] [2021-03-26 15:02:00,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:00,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:00,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:00,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:00,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:00,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:00,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:00,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:00,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:00,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:00,659 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:00,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:00,683 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:00,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:00,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:00,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476199924] [2021-03-26 15:02:00,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:00,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:00,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518672798] [2021-03-26 15:02:00,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:00,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:00,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:00,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:00,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:02:00,689 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 219 transitions, 3256 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:00,689 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:00,689 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:02:00,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:01,052 INFO L129 PetriNetUnfolder]: 336/684 cut-off events. [2021-03-26 15:02:01,052 INFO L130 PetriNetUnfolder]: For 5335/5369 co-relation queries the response was YES. [2021-03-26 15:02:01,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4587 conditions, 684 events. 336/684 cut-off events. For 5335/5369 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3561 event pairs, 19 based on Foata normal form. 28/636 useless extension candidates. Maximal degree in co-relation 4495. Up to 387 conditions per place. [2021-03-26 15:02:01,058 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 125 selfloop transitions, 101 changer transitions 0/244 dead transitions. [2021-03-26 15:02:01,058 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 244 transitions, 4017 flow [2021-03-26 15:02:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 15:02:01,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5806451612903226 [2021-03-26 15:02:01,060 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 15:02:01,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 15:02:01,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:01,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 15:02:01,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,062 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 93.0) internal successors, (1395), 15 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,063 INFO L185 Difference]: Start difference. First operand has 151 places, 219 transitions, 3256 flow. Second operand 14 states and 756 transitions. [2021-03-26 15:02:01,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 244 transitions, 4017 flow [2021-03-26 15:02:01,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 244 transitions, 3727 flow, removed 58 selfloop flow, removed 14 redundant places. [2021-03-26 15:02:01,097 INFO L241 Difference]: Finished difference. Result has 153 places, 230 transitions, 3475 flow [2021-03-26 15:02:01,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=2971, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3475, PETRI_PLACES=153, PETRI_TRANSITIONS=230} [2021-03-26 15:02:01,097 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 100 predicate places. [2021-03-26 15:02:01,097 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:01,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 230 transitions, 3475 flow [2021-03-26 15:02:01,097 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 230 transitions, 3475 flow [2021-03-26 15:02:01,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 230 transitions, 3475 flow [2021-03-26 15:02:01,140 INFO L129 PetriNetUnfolder]: 280/595 cut-off events. [2021-03-26 15:02:01,140 INFO L130 PetriNetUnfolder]: For 4108/4121 co-relation queries the response was YES. [2021-03-26 15:02:01,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3746 conditions, 595 events. 280/595 cut-off events. For 4108/4121 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3157 event pairs, 13 based on Foata normal form. 0/519 useless extension candidates. Maximal degree in co-relation 3657. Up to 246 conditions per place. [2021-03-26 15:02:01,147 INFO L142 LiptonReduction]: Number of co-enabled transitions 1020 [2021-03-26 15:02:01,155 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:01,155 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:01,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 15:02:01,155 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 230 transitions, 3475 flow [2021-03-26 15:02:01,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:01,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:01,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 15:02:01,156 INFO L428 AbstractCegarLoop]: === Iteration 26 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:01,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:01,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1845838330, now seen corresponding path program 16 times [2021-03-26 15:02:01,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:01,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632392138] [2021-03-26 15:02:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:01,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:01,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:01,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:01,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:01,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:01,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:01,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:01,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:01,248 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:01,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:01,263 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:01,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:01,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632392138] [2021-03-26 15:02:01,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:01,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:01,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168016891] [2021-03-26 15:02:01,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:01,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:01,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:01,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:01,267 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:02:01,267 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 230 transitions, 3475 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:01,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:02:01,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:01,569 INFO L129 PetriNetUnfolder]: 339/697 cut-off events. [2021-03-26 15:02:01,569 INFO L130 PetriNetUnfolder]: For 5209/5237 co-relation queries the response was YES. [2021-03-26 15:02:01,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4693 conditions, 697 events. 339/697 cut-off events. For 5209/5237 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3657 event pairs, 18 based on Foata normal form. 17/634 useless extension candidates. Maximal degree in co-relation 4599. Up to 414 conditions per place. [2021-03-26 15:02:01,575 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 163 selfloop transitions, 59 changer transitions 5/245 dead transitions. [2021-03-26 15:02:01,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 245 transitions, 4027 flow [2021-03-26 15:02:01,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:01,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 701 transitions. [2021-03-26 15:02:01,585 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5798180314309347 [2021-03-26 15:02:01,585 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 701 transitions. [2021-03-26 15:02:01,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 701 transitions. [2021-03-26 15:02:01,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:01,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 701 transitions. [2021-03-26 15:02:01,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.92307692307692) internal successors, (701), 13 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,587 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 93.0) internal successors, (1302), 14 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,587 INFO L185 Difference]: Start difference. First operand has 153 places, 230 transitions, 3475 flow. Second operand 13 states and 701 transitions. [2021-03-26 15:02:01,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 245 transitions, 4027 flow [2021-03-26 15:02:01,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 245 transitions, 3859 flow, removed 50 selfloop flow, removed 7 redundant places. [2021-03-26 15:02:01,620 INFO L241 Difference]: Finished difference. Result has 160 places, 226 transitions, 3384 flow [2021-03-26 15:02:01,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3307, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3384, PETRI_PLACES=160, PETRI_TRANSITIONS=226} [2021-03-26 15:02:01,620 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 107 predicate places. [2021-03-26 15:02:01,620 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:01,621 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 226 transitions, 3384 flow [2021-03-26 15:02:01,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 226 transitions, 3384 flow [2021-03-26 15:02:01,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 226 transitions, 3384 flow [2021-03-26 15:02:01,671 INFO L129 PetriNetUnfolder]: 277/584 cut-off events. [2021-03-26 15:02:01,671 INFO L130 PetriNetUnfolder]: For 4421/4442 co-relation queries the response was YES. [2021-03-26 15:02:01,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3708 conditions, 584 events. 277/584 cut-off events. For 4421/4442 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3095 event pairs, 16 based on Foata normal form. 0/509 useless extension candidates. Maximal degree in co-relation 3617. Up to 236 conditions per place. [2021-03-26 15:02:01,680 INFO L142 LiptonReduction]: Number of co-enabled transitions 980 [2021-03-26 15:02:01,690 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:01,690 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:01,693 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 73 [2021-03-26 15:02:01,693 INFO L480 AbstractCegarLoop]: Abstraction has has 160 places, 226 transitions, 3384 flow [2021-03-26 15:02:01,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,693 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:01,694 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:01,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 15:02:01,695 INFO L428 AbstractCegarLoop]: === Iteration 27 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:01,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:01,695 INFO L82 PathProgramCache]: Analyzing trace with hash -868462938, now seen corresponding path program 17 times [2021-03-26 15:02:01,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:01,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935030498] [2021-03-26 15:02:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:01,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:01,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:01,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:01,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:01,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:01,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:01,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:01,780 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:01,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:01,799 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:01,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:01,816 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:01,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935030498] [2021-03-26 15:02:01,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:01,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:01,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55367123] [2021-03-26 15:02:01,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:01,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:01,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:01,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:01,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:02:01,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 226 transitions, 3384 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:01,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:01,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:02:01,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:02,107 INFO L129 PetriNetUnfolder]: 332/671 cut-off events. [2021-03-26 15:02:02,108 INFO L130 PetriNetUnfolder]: For 5275/5305 co-relation queries the response was YES. [2021-03-26 15:02:02,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4636 conditions, 671 events. 332/671 cut-off events. For 5275/5305 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3491 event pairs, 18 based on Foata normal form. 27/625 useless extension candidates. Maximal degree in co-relation 4546. Up to 420 conditions per place. [2021-03-26 15:02:02,112 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 170 selfloop transitions, 41 changer transitions 7/236 dead transitions. [2021-03-26 15:02:02,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 236 transitions, 3881 flow [2021-03-26 15:02:02,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:02:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:02:02,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 631 transitions. [2021-03-26 15:02:02,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5654121863799283 [2021-03-26 15:02:02,121 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 631 transitions. [2021-03-26 15:02:02,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 631 transitions. [2021-03-26 15:02:02,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:02,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 631 transitions. [2021-03-26 15:02:02,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.583333333333336) internal successors, (631), 12 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,123 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 93.0) internal successors, (1209), 13 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,123 INFO L185 Difference]: Start difference. First operand has 160 places, 226 transitions, 3384 flow. Second operand 12 states and 631 transitions. [2021-03-26 15:02:02,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 236 transitions, 3881 flow [2021-03-26 15:02:02,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 236 transitions, 3742 flow, removed 2 selfloop flow, removed 13 redundant places. [2021-03-26 15:02:02,153 INFO L241 Difference]: Finished difference. Result has 160 places, 221 transitions, 3271 flow [2021-03-26 15:02:02,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3245, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3271, PETRI_PLACES=160, PETRI_TRANSITIONS=221} [2021-03-26 15:02:02,153 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 107 predicate places. [2021-03-26 15:02:02,153 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:02,153 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 221 transitions, 3271 flow [2021-03-26 15:02:02,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 221 transitions, 3271 flow [2021-03-26 15:02:02,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 156 places, 221 transitions, 3271 flow [2021-03-26 15:02:02,203 INFO L129 PetriNetUnfolder]: 274/566 cut-off events. [2021-03-26 15:02:02,203 INFO L130 PetriNetUnfolder]: For 4088/4101 co-relation queries the response was YES. [2021-03-26 15:02:02,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3631 conditions, 566 events. 274/566 cut-off events. For 4088/4101 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2934 event pairs, 14 based on Foata normal form. 0/495 useless extension candidates. Maximal degree in co-relation 3547. Up to 234 conditions per place. [2021-03-26 15:02:02,211 INFO L142 LiptonReduction]: Number of co-enabled transitions 960 [2021-03-26 15:02:02,221 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:02,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:02,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-03-26 15:02:02,222 INFO L480 AbstractCegarLoop]: Abstraction has has 156 places, 221 transitions, 3271 flow [2021-03-26 15:02:02,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:02,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:02,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 15:02:02,222 INFO L428 AbstractCegarLoop]: === Iteration 28 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:02,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:02,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1526528066, now seen corresponding path program 18 times [2021-03-26 15:02:02,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:02,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73335418] [2021-03-26 15:02:02,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:02,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:02,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:02,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:02,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:02,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:02,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:02,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:02,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:02,319 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:02,334 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:02,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:02,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73335418] [2021-03-26 15:02:02,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:02,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:02,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165251746] [2021-03-26 15:02:02,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:02,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:02,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:02,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:02,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 93 [2021-03-26 15:02:02,339 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 221 transitions, 3271 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,339 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:02,339 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 93 [2021-03-26 15:02:02,339 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:02,571 INFO L129 PetriNetUnfolder]: 335/677 cut-off events. [2021-03-26 15:02:02,571 INFO L130 PetriNetUnfolder]: For 5258/5286 co-relation queries the response was YES. [2021-03-26 15:02:02,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4636 conditions, 677 events. 335/677 cut-off events. For 5258/5286 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3509 event pairs, 17 based on Foata normal form. 17/618 useless extension candidates. Maximal degree in co-relation 4545. Up to 414 conditions per place. [2021-03-26 15:02:02,577 INFO L132 encePairwiseOnDemand]: 78/93 looper letters, 166 selfloop transitions, 54 changer transitions 0/238 dead transitions. [2021-03-26 15:02:02,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 238 transitions, 3926 flow [2021-03-26 15:02:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:02:02,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:02:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 590 transitions. [2021-03-26 15:02:02,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5767350928641252 [2021-03-26 15:02:02,583 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 590 transitions. [2021-03-26 15:02:02,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 590 transitions. [2021-03-26 15:02:02,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:02,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 590 transitions. [2021-03-26 15:02:02,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.63636363636363) internal successors, (590), 11 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,586 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,586 INFO L185 Difference]: Start difference. First operand has 156 places, 221 transitions, 3271 flow. Second operand 11 states and 590 transitions. [2021-03-26 15:02:02,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 238 transitions, 3926 flow [2021-03-26 15:02:02,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 238 transitions, 3765 flow, removed 13 selfloop flow, removed 16 redundant places. [2021-03-26 15:02:02,617 INFO L241 Difference]: Finished difference. Result has 153 places, 229 transitions, 3437 flow [2021-03-26 15:02:02,617 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=3117, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3437, PETRI_PLACES=153, PETRI_TRANSITIONS=229} [2021-03-26 15:02:02,617 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 100 predicate places. [2021-03-26 15:02:02,618 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:02,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 229 transitions, 3437 flow [2021-03-26 15:02:02,619 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 229 transitions, 3437 flow [2021-03-26 15:02:02,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 229 transitions, 3437 flow [2021-03-26 15:02:02,672 INFO L129 PetriNetUnfolder]: 280/586 cut-off events. [2021-03-26 15:02:02,672 INFO L130 PetriNetUnfolder]: For 4586/4599 co-relation queries the response was YES. [2021-03-26 15:02:02,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3784 conditions, 586 events. 280/586 cut-off events. For 4586/4599 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3092 event pairs, 15 based on Foata normal form. 0/510 useless extension candidates. Maximal degree in co-relation 3701. Up to 240 conditions per place. [2021-03-26 15:02:02,682 INFO L142 LiptonReduction]: Number of co-enabled transitions 1008 [2021-03-26 15:02:02,733 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:02,733 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:02,734 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 116 [2021-03-26 15:02:02,734 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 229 transitions, 3452 flow [2021-03-26 15:02:02,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:02,741 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:02,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 15:02:02,741 INFO L428 AbstractCegarLoop]: === Iteration 29 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:02,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:02,741 INFO L82 PathProgramCache]: Analyzing trace with hash -220969524, now seen corresponding path program 19 times [2021-03-26 15:02:02,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:02,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876164471] [2021-03-26 15:02:02,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:02,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:02,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:02,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:02,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:02,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:02,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:02,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:02,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:02,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:02,843 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:02,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:02,860 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:02,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:02,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876164471] [2021-03-26 15:02:02,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:02,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:02,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327069620] [2021-03-26 15:02:02,864 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:02,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:02,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:02,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:02,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 94 [2021-03-26 15:02:02,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 229 transitions, 3452 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:02,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:02,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 94 [2021-03-26 15:02:02,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:03,249 INFO L129 PetriNetUnfolder]: 357/726 cut-off events. [2021-03-26 15:02:03,249 INFO L130 PetriNetUnfolder]: For 6917/6947 co-relation queries the response was YES. [2021-03-26 15:02:03,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5146 conditions, 726 events. 357/726 cut-off events. For 6917/6947 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3902 event pairs, 17 based on Foata normal form. 27/673 useless extension candidates. Maximal degree in co-relation 5054. Up to 369 conditions per place. [2021-03-26 15:02:03,256 INFO L132 encePairwiseOnDemand]: 78/94 looper letters, 105 selfloop transitions, 134 changer transitions 13/270 dead transitions. [2021-03-26 15:02:03,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 270 transitions, 4628 flow [2021-03-26 15:02:03,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 708 transitions. [2021-03-26 15:02:03,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5793780687397708 [2021-03-26 15:02:03,258 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 708 transitions. [2021-03-26 15:02:03,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 708 transitions. [2021-03-26 15:02:03,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:03,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 708 transitions. [2021-03-26 15:02:03,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.46153846153846) internal successors, (708), 13 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:03,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 94.0) internal successors, (1316), 14 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:03,260 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 94.0) internal successors, (1316), 14 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:03,260 INFO L185 Difference]: Start difference. First operand has 153 places, 229 transitions, 3452 flow. Second operand 13 states and 708 transitions. [2021-03-26 15:02:03,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 270 transitions, 4628 flow [2021-03-26 15:02:03,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 270 transitions, 4496 flow, removed 47 selfloop flow, removed 4 redundant places. [2021-03-26 15:02:03,296 INFO L241 Difference]: Finished difference. Result has 164 places, 242 transitions, 4033 flow [2021-03-26 15:02:03,296 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=3320, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4033, PETRI_PLACES=164, PETRI_TRANSITIONS=242} [2021-03-26 15:02:03,299 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 111 predicate places. [2021-03-26 15:02:03,299 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:03,299 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 164 places, 242 transitions, 4033 flow [2021-03-26 15:02:03,299 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 164 places, 242 transitions, 4033 flow [2021-03-26 15:02:03,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 242 transitions, 4033 flow [2021-03-26 15:02:03,354 INFO L129 PetriNetUnfolder]: 284/597 cut-off events. [2021-03-26 15:02:03,354 INFO L130 PetriNetUnfolder]: For 6450/6466 co-relation queries the response was YES. [2021-03-26 15:02:03,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4339 conditions, 597 events. 284/597 cut-off events. For 6450/6466 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3194 event pairs, 17 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 4250. Up to 254 conditions per place. [2021-03-26 15:02:03,360 INFO L142 LiptonReduction]: Number of co-enabled transitions 1008 [2021-03-26 15:02:03,409 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 15:02:03,409 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:03,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 15:02:03,410 INFO L480 AbstractCegarLoop]: Abstraction has has 163 places, 242 transitions, 4043 flow [2021-03-26 15:02:03,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:03,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:03,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:03,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-26 15:02:03,410 INFO L428 AbstractCegarLoop]: === Iteration 30 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:03,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:03,410 INFO L82 PathProgramCache]: Analyzing trace with hash -723707678, now seen corresponding path program 20 times [2021-03-26 15:02:03,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:03,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161073295] [2021-03-26 15:02:03,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:03,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:03,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:03,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:03,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:03,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:03,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:03,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:03,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:03,508 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:03,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:03,526 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:03,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:03,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161073295] [2021-03-26 15:02:03,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:03,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:03,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463928672] [2021-03-26 15:02:03,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:03,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:03,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:03,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:03,530 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 95 [2021-03-26 15:02:03,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 242 transitions, 4043 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:03,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:03,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 95 [2021-03-26 15:02:03,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:03,796 INFO L129 PetriNetUnfolder]: 353/726 cut-off events. [2021-03-26 15:02:03,796 INFO L130 PetriNetUnfolder]: For 8087/8137 co-relation queries the response was YES. [2021-03-26 15:02:03,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5467 conditions, 726 events. 353/726 cut-off events. For 8087/8137 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3847 event pairs, 16 based on Foata normal form. 23/665 useless extension candidates. Maximal degree in co-relation 5370. Up to 450 conditions per place. [2021-03-26 15:02:03,802 INFO L132 encePairwiseOnDemand]: 80/95 looper letters, 205 selfloop transitions, 37 changer transitions 0/260 dead transitions. [2021-03-26 15:02:03,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 260 transitions, 4806 flow [2021-03-26 15:02:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 681 transitions. [2021-03-26 15:02:03,803 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.551417004048583 [2021-03-26 15:02:03,803 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 681 transitions. [2021-03-26 15:02:03,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 681 transitions. [2021-03-26 15:02:03,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:03,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 681 transitions. [2021-03-26 15:02:03,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.38461538461539) internal successors, (681), 13 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:03,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 95.0) internal successors, (1330), 14 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:03,806 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 95.0) internal successors, (1330), 14 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:03,806 INFO L185 Difference]: Start difference. First operand has 163 places, 242 transitions, 4043 flow. Second operand 13 states and 681 transitions. [2021-03-26 15:02:03,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 260 transitions, 4806 flow [2021-03-26 15:02:03,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 260 transitions, 4542 flow, removed 97 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:03,841 INFO L241 Difference]: Finished difference. Result has 171 places, 251 transitions, 4090 flow [2021-03-26 15:02:03,841 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=3803, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4090, PETRI_PLACES=171, PETRI_TRANSITIONS=251} [2021-03-26 15:02:03,842 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 118 predicate places. [2021-03-26 15:02:03,842 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:03,842 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 251 transitions, 4090 flow [2021-03-26 15:02:03,842 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 251 transitions, 4090 flow [2021-03-26 15:02:03,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 171 places, 251 transitions, 4090 flow [2021-03-26 15:02:03,885 INFO L129 PetriNetUnfolder]: 300/640 cut-off events. [2021-03-26 15:02:03,885 INFO L130 PetriNetUnfolder]: For 6879/6916 co-relation queries the response was YES. [2021-03-26 15:02:03,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4429 conditions, 640 events. 300/640 cut-off events. For 6879/6916 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 3487 event pairs, 6 based on Foata normal form. 0/556 useless extension candidates. Maximal degree in co-relation 4341. Up to 256 conditions per place. [2021-03-26 15:02:03,891 INFO L142 LiptonReduction]: Number of co-enabled transitions 1054 [2021-03-26 15:02:03,940 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:02:03,940 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:03,940 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 98 [2021-03-26 15:02:03,941 INFO L480 AbstractCegarLoop]: Abstraction has has 171 places, 251 transitions, 4107 flow [2021-03-26 15:02:03,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:03,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:03,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:03,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-26 15:02:03,941 INFO L428 AbstractCegarLoop]: === Iteration 31 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:03,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1540521620, now seen corresponding path program 21 times [2021-03-26 15:02:03,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:03,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892955371] [2021-03-26 15:02:03,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:03,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:03,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:03,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:03,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:03,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:03,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:03,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:04,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:04,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:04,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:04,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:04,040 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:04,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:04,057 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:04,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:04,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892955371] [2021-03-26 15:02:04,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:04,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:04,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177929595] [2021-03-26 15:02:04,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:04,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:04,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:04,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:04,062 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 96 [2021-03-26 15:02:04,062 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 251 transitions, 4107 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:04,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:04,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 96 [2021-03-26 15:02:04,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:04,389 INFO L129 PetriNetUnfolder]: 363/754 cut-off events. [2021-03-26 15:02:04,389 INFO L130 PetriNetUnfolder]: For 8158/8234 co-relation queries the response was YES. [2021-03-26 15:02:04,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5533 conditions, 754 events. 363/754 cut-off events. For 8158/8234 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 4067 event pairs, 14 based on Foata normal form. 31/695 useless extension candidates. Maximal degree in co-relation 5441. Up to 431 conditions per place. [2021-03-26 15:02:04,397 INFO L132 encePairwiseOnDemand]: 80/96 looper letters, 178 selfloop transitions, 72 changer transitions 0/268 dead transitions. [2021-03-26 15:02:04,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 268 transitions, 4850 flow [2021-03-26 15:02:04,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 690 transitions. [2021-03-26 15:02:04,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5528846153846154 [2021-03-26 15:02:04,409 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 690 transitions. [2021-03-26 15:02:04,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 690 transitions. [2021-03-26 15:02:04,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:04,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 690 transitions. [2021-03-26 15:02:04,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.07692307692308) internal successors, (690), 13 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:04,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 96.0) internal successors, (1344), 14 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:04,411 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 96.0) internal successors, (1344), 14 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:04,411 INFO L185 Difference]: Start difference. First operand has 171 places, 251 transitions, 4107 flow. Second operand 13 states and 690 transitions. [2021-03-26 15:02:04,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 268 transitions, 4850 flow [2021-03-26 15:02:04,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 268 transitions, 4653 flow, removed 79 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:04,453 INFO L241 Difference]: Finished difference. Result has 179 places, 258 transitions, 4255 flow [2021-03-26 15:02:04,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=3910, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4255, PETRI_PLACES=179, PETRI_TRANSITIONS=258} [2021-03-26 15:02:04,454 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 126 predicate places. [2021-03-26 15:02:04,454 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:04,454 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 258 transitions, 4255 flow [2021-03-26 15:02:04,454 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 258 transitions, 4255 flow [2021-03-26 15:02:04,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 258 transitions, 4255 flow [2021-03-26 15:02:04,521 INFO L129 PetriNetUnfolder]: 314/691 cut-off events. [2021-03-26 15:02:04,521 INFO L130 PetriNetUnfolder]: For 7132/7152 co-relation queries the response was YES. [2021-03-26 15:02:04,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4745 conditions, 691 events. 314/691 cut-off events. For 7132/7152 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3848 event pairs, 9 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 4675. Up to 256 conditions per place. [2021-03-26 15:02:04,532 INFO L142 LiptonReduction]: Number of co-enabled transitions 1100 [2021-03-26 15:02:04,585 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:02:04,585 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:04,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-03-26 15:02:04,590 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 258 transitions, 4274 flow [2021-03-26 15:02:04,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:04,590 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:04,590 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:04,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-26 15:02:04,590 INFO L428 AbstractCegarLoop]: === Iteration 32 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:04,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:04,591 INFO L82 PathProgramCache]: Analyzing trace with hash -605302248, now seen corresponding path program 22 times [2021-03-26 15:02:04,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:04,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753691411] [2021-03-26 15:02:04,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:04,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:04,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:04,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:04,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:04,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:04,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:04,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:04,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:04,662 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:04,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:04,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:04,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:04,678 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:04,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:04,693 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:04,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:04,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753691411] [2021-03-26 15:02:04,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:04,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:04,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376152395] [2021-03-26 15:02:04,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:04,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:04,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:04,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:04,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97 [2021-03-26 15:02:04,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 258 transitions, 4274 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:04,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:04,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97 [2021-03-26 15:02:04,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:04,939 INFO L129 PetriNetUnfolder]: 363/759 cut-off events. [2021-03-26 15:02:04,939 INFO L130 PetriNetUnfolder]: For 8552/8628 co-relation queries the response was YES. [2021-03-26 15:02:04,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5640 conditions, 759 events. 363/759 cut-off events. For 8552/8628 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4157 event pairs, 14 based on Foata normal form. 31/699 useless extension candidates. Maximal degree in co-relation 5566. Up to 471 conditions per place. [2021-03-26 15:02:04,945 INFO L132 encePairwiseOnDemand]: 82/97 looper letters, 219 selfloop transitions, 30 changer transitions 2/269 dead transitions. [2021-03-26 15:02:04,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 269 transitions, 4908 flow [2021-03-26 15:02:04,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:02:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:02:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 532 transitions. [2021-03-26 15:02:04,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5484536082474227 [2021-03-26 15:02:04,947 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 532 transitions. [2021-03-26 15:02:04,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 532 transitions. [2021-03-26 15:02:04,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:04,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 532 transitions. [2021-03-26 15:02:04,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 53.2) internal successors, (532), 10 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:04,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:04,949 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 97.0) internal successors, (1067), 11 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:04,949 INFO L185 Difference]: Start difference. First operand has 179 places, 258 transitions, 4274 flow. Second operand 10 states and 532 transitions. [2021-03-26 15:02:04,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 269 transitions, 4908 flow [2021-03-26 15:02:04,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 269 transitions, 4660 flow, removed 80 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:04,995 INFO L241 Difference]: Finished difference. Result has 184 places, 260 transitions, 4151 flow [2021-03-26 15:02:04,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=4026, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4151, PETRI_PLACES=184, PETRI_TRANSITIONS=260} [2021-03-26 15:02:04,995 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 131 predicate places. [2021-03-26 15:02:04,995 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:04,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 260 transitions, 4151 flow [2021-03-26 15:02:04,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 260 transitions, 4151 flow [2021-03-26 15:02:04,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 260 transitions, 4151 flow [2021-03-26 15:02:05,042 INFO L129 PetriNetUnfolder]: 309/671 cut-off events. [2021-03-26 15:02:05,042 INFO L130 PetriNetUnfolder]: For 7013/7025 co-relation queries the response was YES. [2021-03-26 15:02:05,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4580 conditions, 671 events. 309/671 cut-off events. For 7013/7025 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3776 event pairs, 8 based on Foata normal form. 0/578 useless extension candidates. Maximal degree in co-relation 4506. Up to 245 conditions per place. [2021-03-26 15:02:05,048 INFO L142 LiptonReduction]: Number of co-enabled transitions 1100 [2021-03-26 15:02:05,057 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:05,057 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:05,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 15:02:05,058 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 260 transitions, 4151 flow [2021-03-26 15:02:05,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:05,059 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:05,059 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:05,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-26 15:02:05,059 INFO L428 AbstractCegarLoop]: === Iteration 33 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:05,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:05,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1579240014, now seen corresponding path program 23 times [2021-03-26 15:02:05,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:05,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806614710] [2021-03-26 15:02:05,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:05,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:05,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:05,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:05,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:05,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:05,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:05,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:05,137 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:05,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:05,151 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:05,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:05,166 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:05,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:05,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806614710] [2021-03-26 15:02:05,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:05,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:05,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900977334] [2021-03-26 15:02:05,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:05,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:05,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:05,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:05,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97 [2021-03-26 15:02:05,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 260 transitions, 4151 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:05,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:05,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97 [2021-03-26 15:02:05,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:05,544 INFO L129 PetriNetUnfolder]: 365/769 cut-off events. [2021-03-26 15:02:05,544 INFO L130 PetriNetUnfolder]: For 8697/8705 co-relation queries the response was YES. [2021-03-26 15:02:05,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5720 conditions, 769 events. 365/769 cut-off events. For 8697/8705 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4232 event pairs, 14 based on Foata normal form. 9/687 useless extension candidates. Maximal degree in co-relation 5642. Up to 445 conditions per place. [2021-03-26 15:02:05,553 INFO L132 encePairwiseOnDemand]: 81/97 looper letters, 208 selfloop transitions, 47 changer transitions 7/280 dead transitions. [2021-03-26 15:02:05,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 280 transitions, 4947 flow [2021-03-26 15:02:05,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:02:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:02:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 641 transitions. [2021-03-26 15:02:05,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5506872852233677 [2021-03-26 15:02:05,556 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 641 transitions. [2021-03-26 15:02:05,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 641 transitions. [2021-03-26 15:02:05,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:05,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 641 transitions. [2021-03-26 15:02:05,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.416666666666664) internal successors, (641), 12 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:05,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:05,559 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 97.0) internal successors, (1261), 13 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:05,559 INFO L185 Difference]: Start difference. First operand has 183 places, 260 transitions, 4151 flow. Second operand 12 states and 641 transitions. [2021-03-26 15:02:05,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 280 transitions, 4947 flow [2021-03-26 15:02:05,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 280 transitions, 4855 flow, removed 17 selfloop flow, removed 8 redundant places. [2021-03-26 15:02:05,608 INFO L241 Difference]: Finished difference. Result has 190 places, 263 transitions, 4332 flow [2021-03-26 15:02:05,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=4061, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4332, PETRI_PLACES=190, PETRI_TRANSITIONS=263} [2021-03-26 15:02:05,609 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 137 predicate places. [2021-03-26 15:02:05,609 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:05,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 263 transitions, 4332 flow [2021-03-26 15:02:05,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 263 transitions, 4332 flow [2021-03-26 15:02:05,612 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 263 transitions, 4332 flow [2021-03-26 15:02:05,676 INFO L129 PetriNetUnfolder]: 307/655 cut-off events. [2021-03-26 15:02:05,676 INFO L130 PetriNetUnfolder]: For 7671/7684 co-relation queries the response was YES. [2021-03-26 15:02:05,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4783 conditions, 655 events. 307/655 cut-off events. For 7671/7684 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3613 event pairs, 8 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 4714. Up to 253 conditions per place. [2021-03-26 15:02:05,686 INFO L142 LiptonReduction]: Number of co-enabled transitions 1080 [2021-03-26 15:02:05,700 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:05,700 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:05,700 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-03-26 15:02:05,702 INFO L480 AbstractCegarLoop]: Abstraction has has 184 places, 263 transitions, 4332 flow [2021-03-26 15:02:05,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:05,702 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:05,702 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:05,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-26 15:02:05,702 INFO L428 AbstractCegarLoop]: === Iteration 34 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:05,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:05,703 INFO L82 PathProgramCache]: Analyzing trace with hash -850199464, now seen corresponding path program 24 times [2021-03-26 15:02:05,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:05,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762226043] [2021-03-26 15:02:05,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:05,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:05,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:05,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:05,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:05,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:05,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:05,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:05,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:05,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:05,793 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:05,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:05,807 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:05,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:05,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762226043] [2021-03-26 15:02:05,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:05,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:05,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318921596] [2021-03-26 15:02:05,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:05,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:05,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:05,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:05,810 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97 [2021-03-26 15:02:05,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 263 transitions, 4332 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:05,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:05,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97 [2021-03-26 15:02:05,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:06,156 INFO L129 PetriNetUnfolder]: 370/773 cut-off events. [2021-03-26 15:02:06,156 INFO L130 PetriNetUnfolder]: For 9889/9933 co-relation queries the response was YES. [2021-03-26 15:02:06,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5943 conditions, 773 events. 370/773 cut-off events. For 9889/9933 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4269 event pairs, 16 based on Foata normal form. 37/718 useless extension candidates. Maximal degree in co-relation 5872. Up to 409 conditions per place. [2021-03-26 15:02:06,162 INFO L132 encePairwiseOnDemand]: 81/97 looper letters, 148 selfloop transitions, 124 changer transitions 1/291 dead transitions. [2021-03-26 15:02:06,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 291 transitions, 5296 flow [2021-03-26 15:02:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 803 transitions. [2021-03-26 15:02:06,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5518900343642612 [2021-03-26 15:02:06,163 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 803 transitions. [2021-03-26 15:02:06,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 803 transitions. [2021-03-26 15:02:06,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:06,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 803 transitions. [2021-03-26 15:02:06,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.53333333333333) internal successors, (803), 15 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:06,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:06,165 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 97.0) internal successors, (1552), 16 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:06,165 INFO L185 Difference]: Start difference. First operand has 184 places, 263 transitions, 4332 flow. Second operand 15 states and 803 transitions. [2021-03-26 15:02:06,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 291 transitions, 5296 flow [2021-03-26 15:02:06,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 291 transitions, 5143 flow, removed 55 selfloop flow, removed 9 redundant places. [2021-03-26 15:02:06,203 INFO L241 Difference]: Finished difference. Result has 194 places, 276 transitions, 4855 flow [2021-03-26 15:02:06,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=4182, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4855, PETRI_PLACES=194, PETRI_TRANSITIONS=276} [2021-03-26 15:02:06,204 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 141 predicate places. [2021-03-26 15:02:06,204 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:06,204 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 276 transitions, 4855 flow [2021-03-26 15:02:06,204 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 276 transitions, 4855 flow [2021-03-26 15:02:06,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 276 transitions, 4855 flow [2021-03-26 15:02:06,261 INFO L129 PetriNetUnfolder]: 306/663 cut-off events. [2021-03-26 15:02:06,262 INFO L130 PetriNetUnfolder]: For 8964/8983 co-relation queries the response was YES. [2021-03-26 15:02:06,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5063 conditions, 663 events. 306/663 cut-off events. For 8964/8983 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3732 event pairs, 11 based on Foata normal form. 0/579 useless extension candidates. Maximal degree in co-relation 4984. Up to 246 conditions per place. [2021-03-26 15:02:06,269 INFO L142 LiptonReduction]: Number of co-enabled transitions 1132 [2021-03-26 15:02:06,279 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:06,279 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:06,279 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 75 [2021-03-26 15:02:06,279 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 276 transitions, 4855 flow [2021-03-26 15:02:06,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:06,280 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:06,280 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:06,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-26 15:02:06,280 INFO L428 AbstractCegarLoop]: === Iteration 35 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:06,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:06,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1112648484, now seen corresponding path program 25 times [2021-03-26 15:02:06,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:06,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390858808] [2021-03-26 15:02:06,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:06,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:06,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:06,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:06,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:06,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:06,345 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:02:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:06,347 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:06,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:06,358 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:06,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:06,384 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:06,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:06,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390858808] [2021-03-26 15:02:06,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:06,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:06,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129314511] [2021-03-26 15:02:06,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:06,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:06,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:06,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:06,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 97 [2021-03-26 15:02:06,388 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 276 transitions, 4855 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:06,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:06,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 97 [2021-03-26 15:02:06,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:06,713 INFO L129 PetriNetUnfolder]: 385/814 cut-off events. [2021-03-26 15:02:06,713 INFO L130 PetriNetUnfolder]: For 11318/11362 co-relation queries the response was YES. [2021-03-26 15:02:06,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6369 conditions, 814 events. 385/814 cut-off events. For 11318/11362 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4575 event pairs, 16 based on Foata normal form. 24/736 useless extension candidates. Maximal degree in co-relation 6286. Up to 451 conditions per place. [2021-03-26 15:02:06,720 INFO L132 encePairwiseOnDemand]: 81/97 looper letters, 201 selfloop transitions, 76 changer transitions 2/297 dead transitions. [2021-03-26 15:02:06,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 297 transitions, 5766 flow [2021-03-26 15:02:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:02:06,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:02:06,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 600 transitions. [2021-03-26 15:02:06,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5623242736644799 [2021-03-26 15:02:06,721 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 600 transitions. [2021-03-26 15:02:06,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 600 transitions. [2021-03-26 15:02:06,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:06,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 600 transitions. [2021-03-26 15:02:06,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.54545454545455) internal successors, (600), 11 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:06,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:06,723 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 97.0) internal successors, (1164), 12 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:06,723 INFO L185 Difference]: Start difference. First operand has 194 places, 276 transitions, 4855 flow. Second operand 11 states and 600 transitions. [2021-03-26 15:02:06,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 297 transitions, 5766 flow [2021-03-26 15:02:06,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 297 transitions, 5600 flow, removed 42 selfloop flow, removed 8 redundant places. [2021-03-26 15:02:06,777 INFO L241 Difference]: Finished difference. Result has 199 places, 284 transitions, 5133 flow [2021-03-26 15:02:06,777 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=4689, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5133, PETRI_PLACES=199, PETRI_TRANSITIONS=284} [2021-03-26 15:02:06,777 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 146 predicate places. [2021-03-26 15:02:06,777 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:06,778 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 284 transitions, 5133 flow [2021-03-26 15:02:06,778 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 284 transitions, 5133 flow [2021-03-26 15:02:06,779 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 199 places, 284 transitions, 5133 flow [2021-03-26 15:02:06,832 INFO L129 PetriNetUnfolder]: 318/694 cut-off events. [2021-03-26 15:02:06,833 INFO L130 PetriNetUnfolder]: For 10367/10408 co-relation queries the response was YES. [2021-03-26 15:02:06,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5365 conditions, 694 events. 318/694 cut-off events. For 10367/10408 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3961 event pairs, 10 based on Foata normal form. 0/601 useless extension candidates. Maximal degree in co-relation 5282. Up to 256 conditions per place. [2021-03-26 15:02:06,840 INFO L142 LiptonReduction]: Number of co-enabled transitions 1198 [2021-03-26 15:02:06,887 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:02:06,887 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:06,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 15:02:06,888 INFO L480 AbstractCegarLoop]: Abstraction has has 199 places, 284 transitions, 5158 flow [2021-03-26 15:02:06,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:06,888 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:06,888 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:06,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-26 15:02:06,888 INFO L428 AbstractCegarLoop]: === Iteration 36 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:06,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:06,888 INFO L82 PathProgramCache]: Analyzing trace with hash -88958814, now seen corresponding path program 26 times [2021-03-26 15:02:06,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:06,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282923473] [2021-03-26 15:02:06,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:06,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:06,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:06,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:06,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:06,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:06,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:06,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:06,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:06,969 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:06,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:06,984 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:06,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:07,005 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:07,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:07,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:07,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282923473] [2021-03-26 15:02:07,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:07,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:07,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213116513] [2021-03-26 15:02:07,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:07,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:07,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:07,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:07,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:07,010 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 284 transitions, 5158 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:07,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:07,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:07,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:07,412 INFO L129 PetriNetUnfolder]: 381/814 cut-off events. [2021-03-26 15:02:07,412 INFO L130 PetriNetUnfolder]: For 12045/12053 co-relation queries the response was YES. [2021-03-26 15:02:07,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6577 conditions, 814 events. 381/814 cut-off events. For 12045/12053 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4586 event pairs, 16 based on Foata normal form. 9/724 useless extension candidates. Maximal degree in co-relation 6483. Up to 425 conditions per place. [2021-03-26 15:02:07,420 INFO L132 encePairwiseOnDemand]: 80/98 looper letters, 187 selfloop transitions, 88 changer transitions 9/302 dead transitions. [2021-03-26 15:02:07,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 302 transitions, 5991 flow [2021-03-26 15:02:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:02:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:02:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 654 transitions. [2021-03-26 15:02:07,425 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5561224489795918 [2021-03-26 15:02:07,426 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 654 transitions. [2021-03-26 15:02:07,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 654 transitions. [2021-03-26 15:02:07,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:07,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 654 transitions. [2021-03-26 15:02:07,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.5) internal successors, (654), 12 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:07,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 98.0) internal successors, (1274), 13 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:07,428 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 98.0) internal successors, (1274), 13 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:07,428 INFO L185 Difference]: Start difference. First operand has 199 places, 284 transitions, 5158 flow. Second operand 12 states and 654 transitions. [2021-03-26 15:02:07,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 302 transitions, 5991 flow [2021-03-26 15:02:07,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 302 transitions, 5702 flow, removed 113 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:07,481 INFO L241 Difference]: Finished difference. Result has 207 places, 280 transitions, 5090 flow [2021-03-26 15:02:07,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=4869, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5090, PETRI_PLACES=207, PETRI_TRANSITIONS=280} [2021-03-26 15:02:07,482 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 154 predicate places. [2021-03-26 15:02:07,482 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:07,482 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 207 places, 280 transitions, 5090 flow [2021-03-26 15:02:07,482 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 207 places, 280 transitions, 5090 flow [2021-03-26 15:02:07,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 280 transitions, 5090 flow [2021-03-26 15:02:07,559 INFO L129 PetriNetUnfolder]: 314/687 cut-off events. [2021-03-26 15:02:07,559 INFO L130 PetriNetUnfolder]: For 10706/10714 co-relation queries the response was YES. [2021-03-26 15:02:07,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5322 conditions, 687 events. 314/687 cut-off events. For 10706/10714 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3861 event pairs, 15 based on Foata normal form. 0/594 useless extension candidates. Maximal degree in co-relation 5244. Up to 244 conditions per place. [2021-03-26 15:02:07,567 INFO L142 LiptonReduction]: Number of co-enabled transitions 1178 [2021-03-26 15:02:07,577 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:07,577 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:07,577 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 95 [2021-03-26 15:02:07,578 INFO L480 AbstractCegarLoop]: Abstraction has has 203 places, 280 transitions, 5090 flow [2021-03-26 15:02:07,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:07,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:07,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:07,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-26 15:02:07,578 INFO L428 AbstractCegarLoop]: === Iteration 37 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:07,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:07,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1945612470, now seen corresponding path program 1 times [2021-03-26 15:02:07,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:07,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674319274] [2021-03-26 15:02:07,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:07,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:07,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:07,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:07,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:07,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:07,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:07,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:07,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:07,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:07,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:07,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:07,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:07,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:07,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:07,639 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:07,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:07,642 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:07,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:07,655 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:07,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:07,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674319274] [2021-03-26 15:02:07,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:07,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:02:07,658 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493702736] [2021-03-26 15:02:07,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:02:07,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:07,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:02:07,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:02:07,659 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:07,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 280 transitions, 5090 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:07,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:07,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:07,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:07,963 INFO L129 PetriNetUnfolder]: 386/813 cut-off events. [2021-03-26 15:02:07,963 INFO L130 PetriNetUnfolder]: For 13490/13498 co-relation queries the response was YES. [2021-03-26 15:02:07,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6741 conditions, 813 events. 386/813 cut-off events. For 13490/13498 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4533 event pairs, 17 based on Foata normal form. 9/725 useless extension candidates. Maximal degree in co-relation 6661. Up to 463 conditions per place. [2021-03-26 15:02:07,971 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 213 selfloop transitions, 74 changer transitions 0/305 dead transitions. [2021-03-26 15:02:07,971 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 305 transitions, 6025 flow [2021-03-26 15:02:07,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:02:07,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:02:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 454 transitions. [2021-03-26 15:02:07,972 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5790816326530612 [2021-03-26 15:02:07,972 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 454 transitions. [2021-03-26 15:02:07,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 454 transitions. [2021-03-26 15:02:07,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:07,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 454 transitions. [2021-03-26 15:02:07,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 56.75) internal successors, (454), 8 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:07,973 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) [2021-03-26 15:02:07,973 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) [2021-03-26 15:02:07,973 INFO L185 Difference]: Start difference. First operand has 203 places, 280 transitions, 5090 flow. Second operand 8 states and 454 transitions. [2021-03-26 15:02:07,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 305 transitions, 6025 flow [2021-03-26 15:02:08,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 305 transitions, 5844 flow, removed 34 selfloop flow, removed 11 redundant places. [2021-03-26 15:02:08,039 INFO L241 Difference]: Finished difference. Result has 202 places, 291 transitions, 5348 flow [2021-03-26 15:02:08,040 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=4916, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5348, PETRI_PLACES=202, PETRI_TRANSITIONS=291} [2021-03-26 15:02:08,040 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 149 predicate places. [2021-03-26 15:02:08,040 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:08,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 202 places, 291 transitions, 5348 flow [2021-03-26 15:02:08,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 202 places, 291 transitions, 5348 flow [2021-03-26 15:02:08,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 202 places, 291 transitions, 5348 flow [2021-03-26 15:02:08,101 INFO L129 PetriNetUnfolder]: 338/756 cut-off events. [2021-03-26 15:02:08,101 INFO L130 PetriNetUnfolder]: For 11768/11806 co-relation queries the response was YES. [2021-03-26 15:02:08,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5898 conditions, 756 events. 338/756 cut-off events. For 11768/11806 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4431 event pairs, 14 based on Foata normal form. 2/653 useless extension candidates. Maximal degree in co-relation 5776. Up to 256 conditions per place. [2021-03-26 15:02:08,109 INFO L142 LiptonReduction]: Number of co-enabled transitions 1226 [2021-03-26 15:02:08,120 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:08,120 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:08,120 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-03-26 15:02:08,121 INFO L480 AbstractCegarLoop]: Abstraction has has 202 places, 291 transitions, 5348 flow [2021-03-26 15:02:08,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:08,121 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:08,121 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:08,121 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-26 15:02:08,121 INFO L428 AbstractCegarLoop]: === Iteration 38 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:08,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:08,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1839005966, now seen corresponding path program 27 times [2021-03-26 15:02:08,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:08,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309730244] [2021-03-26 15:02:08,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:08,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:08,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:08,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:08,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:08,211 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:08,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:08,230 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:08,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:08,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309730244] [2021-03-26 15:02:08,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:08,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:08,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884488236] [2021-03-26 15:02:08,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:08,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:08,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:08,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:08,235 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:08,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 291 transitions, 5348 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:08,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:08,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:08,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:08,587 INFO L129 PetriNetUnfolder]: 396/842 cut-off events. [2021-03-26 15:02:08,587 INFO L130 PetriNetUnfolder]: For 13962/14006 co-relation queries the response was YES. [2021-03-26 15:02:08,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6972 conditions, 842 events. 396/842 cut-off events. For 13962/14006 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4782 event pairs, 18 based on Foata normal form. 37/772 useless extension candidates. Maximal degree in co-relation 6847. Up to 485 conditions per place. [2021-03-26 15:02:08,611 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 222 selfloop transitions, 62 changer transitions 5/307 dead transitions. [2021-03-26 15:02:08,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 307 transitions, 6097 flow [2021-03-26 15:02:08,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:08,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:08,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 752 transitions. [2021-03-26 15:02:08,612 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5481049562682215 [2021-03-26 15:02:08,612 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 752 transitions. [2021-03-26 15:02:08,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 752 transitions. [2021-03-26 15:02:08,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:08,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 752 transitions. [2021-03-26 15:02:08,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.714285714285715) internal successors, (752), 14 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:08,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:08,614 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:08,614 INFO L185 Difference]: Start difference. First operand has 202 places, 291 transitions, 5348 flow. Second operand 14 states and 752 transitions. [2021-03-26 15:02:08,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 307 transitions, 6097 flow [2021-03-26 15:02:08,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 307 transitions, 5968 flow, removed 41 selfloop flow, removed 2 redundant places. [2021-03-26 15:02:08,668 INFO L241 Difference]: Finished difference. Result has 216 places, 289 transitions, 5336 flow [2021-03-26 15:02:08,669 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5219, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5336, PETRI_PLACES=216, PETRI_TRANSITIONS=289} [2021-03-26 15:02:08,669 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 163 predicate places. [2021-03-26 15:02:08,669 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:08,669 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 216 places, 289 transitions, 5336 flow [2021-03-26 15:02:08,669 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 216 places, 289 transitions, 5336 flow [2021-03-26 15:02:08,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 289 transitions, 5336 flow [2021-03-26 15:02:08,728 INFO L129 PetriNetUnfolder]: 324/722 cut-off events. [2021-03-26 15:02:08,728 INFO L130 PetriNetUnfolder]: For 11539/11565 co-relation queries the response was YES. [2021-03-26 15:02:08,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5606 conditions, 722 events. 324/722 cut-off events. For 11539/11565 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4224 event pairs, 16 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 5481. Up to 242 conditions per place. [2021-03-26 15:02:08,742 INFO L142 LiptonReduction]: Number of co-enabled transitions 1210 [2021-03-26 15:02:08,757 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:08,757 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:08,757 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-03-26 15:02:08,758 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 289 transitions, 5336 flow [2021-03-26 15:02:08,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:08,758 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:08,758 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:08,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-26 15:02:08,758 INFO L428 AbstractCegarLoop]: === Iteration 39 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:08,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:08,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1039494120, now seen corresponding path program 28 times [2021-03-26 15:02:08,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:08,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788959193] [2021-03-26 15:02:08,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:08,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:08,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:08,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:08,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:08,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:08,849 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:08,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:08,867 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:08,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:08,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788959193] [2021-03-26 15:02:08,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:08,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:08,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268397803] [2021-03-26 15:02:08,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:08,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:08,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:08,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:08,871 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:08,872 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 289 transitions, 5336 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:08,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:08,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:08,872 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:09,214 INFO L129 PetriNetUnfolder]: 391/830 cut-off events. [2021-03-26 15:02:09,214 INFO L130 PetriNetUnfolder]: For 13788/13796 co-relation queries the response was YES. [2021-03-26 15:02:09,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6914 conditions, 830 events. 391/830 cut-off events. For 13788/13796 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4666 event pairs, 17 based on Foata normal form. 9/735 useless extension candidates. Maximal degree in co-relation 6785. Up to 483 conditions per place. [2021-03-26 15:02:09,228 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 223 selfloop transitions, 59 changer transitions 0/300 dead transitions. [2021-03-26 15:02:09,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 300 transitions, 6000 flow [2021-03-26 15:02:09,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 738 transitions. [2021-03-26 15:02:09,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5379008746355685 [2021-03-26 15:02:09,230 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 738 transitions. [2021-03-26 15:02:09,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 738 transitions. [2021-03-26 15:02:09,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:09,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 738 transitions. [2021-03-26 15:02:09,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.714285714285715) internal successors, (738), 14 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:09,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:09,233 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:09,233 INFO L185 Difference]: Start difference. First operand has 216 places, 289 transitions, 5336 flow. Second operand 14 states and 738 transitions. [2021-03-26 15:02:09,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 300 transitions, 6000 flow [2021-03-26 15:02:09,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 300 transitions, 5840 flow, removed 4 selfloop flow, removed 16 redundant places. [2021-03-26 15:02:09,289 INFO L241 Difference]: Finished difference. Result has 216 places, 291 transitions, 5371 flow [2021-03-26 15:02:09,289 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5176, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5371, PETRI_PLACES=216, PETRI_TRANSITIONS=291} [2021-03-26 15:02:09,289 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 163 predicate places. [2021-03-26 15:02:09,289 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:09,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 216 places, 291 transitions, 5371 flow [2021-03-26 15:02:09,289 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 216 places, 291 transitions, 5371 flow [2021-03-26 15:02:09,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 291 transitions, 5371 flow [2021-03-26 15:02:09,349 INFO L129 PetriNetUnfolder]: 323/727 cut-off events. [2021-03-26 15:02:09,349 INFO L130 PetriNetUnfolder]: For 12152/12179 co-relation queries the response was YES. [2021-03-26 15:02:09,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5611 conditions, 727 events. 323/727 cut-off events. For 12152/12179 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4276 event pairs, 4 based on Foata normal form. 0/623 useless extension candidates. Maximal degree in co-relation 5486. Up to 243 conditions per place. [2021-03-26 15:02:09,357 INFO L142 LiptonReduction]: Number of co-enabled transitions 1226 [2021-03-26 15:02:09,369 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:09,370 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:09,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-03-26 15:02:09,370 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 291 transitions, 5371 flow [2021-03-26 15:02:09,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:09,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:09,370 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:09,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-26 15:02:09,370 INFO L428 AbstractCegarLoop]: === Iteration 40 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:09,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:09,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1045506352, now seen corresponding path program 29 times [2021-03-26 15:02:09,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:09,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177722960] [2021-03-26 15:02:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:09,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:09,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:09,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:09,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:09,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:09,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:09,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:09,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:09,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:09,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:09,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:09,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:09,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:09,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:09,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:09,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:09,460 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:09,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:09,479 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:09,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:09,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:09,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177722960] [2021-03-26 15:02:09,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:09,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:09,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430716709] [2021-03-26 15:02:09,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:09,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:09,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:09,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:09,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:09,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 291 transitions, 5371 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:09,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:09,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:09,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:09,919 INFO L129 PetriNetUnfolder]: 396/846 cut-off events. [2021-03-26 15:02:09,919 INFO L130 PetriNetUnfolder]: For 13947/13975 co-relation queries the response was YES. [2021-03-26 15:02:09,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6994 conditions, 846 events. 396/846 cut-off events. For 13947/13975 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4825 event pairs, 18 based on Foata normal form. 17/755 useless extension candidates. Maximal degree in co-relation 6864. Up to 464 conditions per place. [2021-03-26 15:02:09,928 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 204 selfloop transitions, 87 changer transitions 0/309 dead transitions. [2021-03-26 15:02:09,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 309 transitions, 6181 flow [2021-03-26 15:02:09,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:09,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:09,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 754 transitions. [2021-03-26 15:02:09,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5495626822157434 [2021-03-26 15:02:09,929 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 754 transitions. [2021-03-26 15:02:09,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 754 transitions. [2021-03-26 15:02:09,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:09,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 754 transitions. [2021-03-26 15:02:09,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.857142857142854) internal successors, (754), 14 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:09,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:09,931 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:09,931 INFO L185 Difference]: Start difference. First operand has 216 places, 291 transitions, 5371 flow. Second operand 14 states and 754 transitions. [2021-03-26 15:02:09,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 309 transitions, 6181 flow [2021-03-26 15:02:09,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 309 transitions, 6028 flow, removed 21 selfloop flow, removed 10 redundant places. [2021-03-26 15:02:09,998 INFO L241 Difference]: Finished difference. Result has 222 places, 297 transitions, 5598 flow [2021-03-26 15:02:09,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5218, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5598, PETRI_PLACES=222, PETRI_TRANSITIONS=297} [2021-03-26 15:02:09,999 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 169 predicate places. [2021-03-26 15:02:09,999 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:09,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 297 transitions, 5598 flow [2021-03-26 15:02:09,999 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 297 transitions, 5598 flow [2021-03-26 15:02:10,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 222 places, 297 transitions, 5598 flow [2021-03-26 15:02:10,059 INFO L129 PetriNetUnfolder]: 320/723 cut-off events. [2021-03-26 15:02:10,059 INFO L130 PetriNetUnfolder]: For 11921/11950 co-relation queries the response was YES. [2021-03-26 15:02:10,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5748 conditions, 723 events. 320/723 cut-off events. For 11921/11950 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4284 event pairs, 12 based on Foata normal form. 0/624 useless extension candidates. Maximal degree in co-relation 5617. Up to 244 conditions per place. [2021-03-26 15:02:10,067 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 15:02:10,078 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:10,078 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:10,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-03-26 15:02:10,079 INFO L480 AbstractCegarLoop]: Abstraction has has 222 places, 297 transitions, 5598 flow [2021-03-26 15:02:10,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:10,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:10,079 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:10,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-26 15:02:10,079 INFO L428 AbstractCegarLoop]: === Iteration 41 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:10,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:10,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1171180282, now seen corresponding path program 30 times [2021-03-26 15:02:10,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:10,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142213663] [2021-03-26 15:02:10,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:10,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:10,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:10,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:10,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,162 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:10,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:10,175 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:10,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:10,191 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:10,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:10,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142213663] [2021-03-26 15:02:10,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:10,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:10,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376790637] [2021-03-26 15:02:10,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:10,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:10,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:10,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:10,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:10,195 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 297 transitions, 5598 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:10,195 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:10,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:10,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:10,563 INFO L129 PetriNetUnfolder]: 400/861 cut-off events. [2021-03-26 15:02:10,563 INFO L130 PetriNetUnfolder]: For 14487/14495 co-relation queries the response was YES. [2021-03-26 15:02:10,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7126 conditions, 861 events. 400/861 cut-off events. For 14487/14495 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4959 event pairs, 18 based on Foata normal form. 9/758 useless extension candidates. Maximal degree in co-relation 6990. Up to 503 conditions per place. [2021-03-26 15:02:10,570 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 241 selfloop transitions, 47 changer transitions 2/308 dead transitions. [2021-03-26 15:02:10,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 308 transitions, 6308 flow [2021-03-26 15:02:10,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 682 transitions. [2021-03-26 15:02:10,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5353218210361067 [2021-03-26 15:02:10,571 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 682 transitions. [2021-03-26 15:02:10,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 682 transitions. [2021-03-26 15:02:10,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:10,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 682 transitions. [2021-03-26 15:02:10,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.46153846153846) internal successors, (682), 13 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:10,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:10,575 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:10,575 INFO L185 Difference]: Start difference. First operand has 222 places, 297 transitions, 5598 flow. Second operand 13 states and 682 transitions. [2021-03-26 15:02:10,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 308 transitions, 6308 flow [2021-03-26 15:02:10,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 308 transitions, 6162 flow, removed 18 selfloop flow, removed 8 redundant places. [2021-03-26 15:02:10,670 INFO L241 Difference]: Finished difference. Result has 229 places, 298 transitions, 5597 flow [2021-03-26 15:02:10,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5452, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5597, PETRI_PLACES=229, PETRI_TRANSITIONS=298} [2021-03-26 15:02:10,670 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 176 predicate places. [2021-03-26 15:02:10,670 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:10,670 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 298 transitions, 5597 flow [2021-03-26 15:02:10,670 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 298 transitions, 5597 flow [2021-03-26 15:02:10,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 298 transitions, 5597 flow [2021-03-26 15:02:10,732 INFO L129 PetriNetUnfolder]: 330/744 cut-off events. [2021-03-26 15:02:10,732 INFO L130 PetriNetUnfolder]: For 12408/12429 co-relation queries the response was YES. [2021-03-26 15:02:10,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5799 conditions, 744 events. 330/744 cut-off events. For 12408/12429 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4420 event pairs, 9 based on Foata normal form. 3/639 useless extension candidates. Maximal degree in co-relation 5664. Up to 245 conditions per place. [2021-03-26 15:02:10,741 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 15:02:10,752 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:10,752 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:10,752 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-26 15:02:10,752 INFO L480 AbstractCegarLoop]: Abstraction has has 228 places, 298 transitions, 5597 flow [2021-03-26 15:02:10,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:10,752 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:10,752 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:10,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-26 15:02:10,752 INFO L428 AbstractCegarLoop]: === Iteration 42 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:10,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:10,753 INFO L82 PathProgramCache]: Analyzing trace with hash 889889630, now seen corresponding path program 31 times [2021-03-26 15:02:10,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:10,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297812329] [2021-03-26 15:02:10,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:10,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:10,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:10,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:10,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:10,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,833 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:10,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:10,844 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:10,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:10,858 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:10,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:10,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297812329] [2021-03-26 15:02:10,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:10,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:10,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386350424] [2021-03-26 15:02:10,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:10,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:10,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:10,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:10,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:10,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 298 transitions, 5597 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:10,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:10,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:10,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:11,187 INFO L129 PetriNetUnfolder]: 400/862 cut-off events. [2021-03-26 15:02:11,187 INFO L130 PetriNetUnfolder]: For 14972/15048 co-relation queries the response was YES. [2021-03-26 15:02:11,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7120 conditions, 862 events. 400/862 cut-off events. For 14972/15048 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4953 event pairs, 19 based on Foata normal form. 39/788 useless extension candidates. Maximal degree in co-relation 6980. Up to 502 conditions per place. [2021-03-26 15:02:11,195 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 240 selfloop transitions, 46 changer transitions 3/307 dead transitions. [2021-03-26 15:02:11,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 307 transitions, 6283 flow [2021-03-26 15:02:11,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:11,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 682 transitions. [2021-03-26 15:02:11,196 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5353218210361067 [2021-03-26 15:02:11,196 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 682 transitions. [2021-03-26 15:02:11,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 682 transitions. [2021-03-26 15:02:11,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:11,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 682 transitions. [2021-03-26 15:02:11,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.46153846153846) internal successors, (682), 13 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:11,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:11,198 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:11,198 INFO L185 Difference]: Start difference. First operand has 228 places, 298 transitions, 5597 flow. Second operand 13 states and 682 transitions. [2021-03-26 15:02:11,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 307 transitions, 6283 flow [2021-03-26 15:02:11,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 307 transitions, 6191 flow, removed 4 selfloop flow, removed 11 redundant places. [2021-03-26 15:02:11,270 INFO L241 Difference]: Finished difference. Result has 231 places, 297 transitions, 5588 flow [2021-03-26 15:02:11,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5507, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5588, PETRI_PLACES=231, PETRI_TRANSITIONS=297} [2021-03-26 15:02:11,270 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 178 predicate places. [2021-03-26 15:02:11,270 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:11,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 231 places, 297 transitions, 5588 flow [2021-03-26 15:02:11,271 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 231 places, 297 transitions, 5588 flow [2021-03-26 15:02:11,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 297 transitions, 5588 flow [2021-03-26 15:02:11,332 INFO L129 PetriNetUnfolder]: 327/737 cut-off events. [2021-03-26 15:02:11,332 INFO L130 PetriNetUnfolder]: For 12080/12101 co-relation queries the response was YES. [2021-03-26 15:02:11,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5767 conditions, 737 events. 327/737 cut-off events. For 12080/12101 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4324 event pairs, 14 based on Foata normal form. 3/634 useless extension candidates. Maximal degree in co-relation 5632. Up to 242 conditions per place. [2021-03-26 15:02:11,341 INFO L142 LiptonReduction]: Number of co-enabled transitions 1250 [2021-03-26 15:02:11,352 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:11,352 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:11,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-03-26 15:02:11,352 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 297 transitions, 5588 flow [2021-03-26 15:02:11,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:11,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:11,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:11,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-26 15:02:11,353 INFO L428 AbstractCegarLoop]: === Iteration 43 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:11,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:11,353 INFO L82 PathProgramCache]: Analyzing trace with hash 569172894, now seen corresponding path program 32 times [2021-03-26 15:02:11,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:11,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607895724] [2021-03-26 15:02:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:11,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:11,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:11,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:11,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:11,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:11,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:11,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:11,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:11,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:11,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:11,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:11,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:11,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:11,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:11,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:11,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:11,448 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:11,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:11,461 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:11,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:11,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607895724] [2021-03-26 15:02:11,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:11,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:11,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002062777] [2021-03-26 15:02:11,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:11,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:11,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:11,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:11,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:11,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 297 transitions, 5588 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:11,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:11,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:11,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:11,905 INFO L129 PetriNetUnfolder]: 416/889 cut-off events. [2021-03-26 15:02:11,905 INFO L130 PetriNetUnfolder]: For 15117/15125 co-relation queries the response was YES. [2021-03-26 15:02:11,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7567 conditions, 889 events. 416/889 cut-off events. For 15117/15125 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5133 event pairs, 18 based on Foata normal form. 9/785 useless extension candidates. Maximal degree in co-relation 7426. Up to 490 conditions per place. [2021-03-26 15:02:11,913 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 209 selfloop transitions, 106 changer transitions 3/336 dead transitions. [2021-03-26 15:02:11,914 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 336 transitions, 7064 flow [2021-03-26 15:02:11,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 760 transitions. [2021-03-26 15:02:11,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5539358600583091 [2021-03-26 15:02:11,915 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 760 transitions. [2021-03-26 15:02:11,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 760 transitions. [2021-03-26 15:02:11,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:11,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 760 transitions. [2021-03-26 15:02:11,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.285714285714285) internal successors, (760), 14 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:11,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:11,917 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:11,917 INFO L185 Difference]: Start difference. First operand has 230 places, 297 transitions, 5588 flow. Second operand 14 states and 760 transitions. [2021-03-26 15:02:11,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 336 transitions, 7064 flow [2021-03-26 15:02:11,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 336 transitions, 6959 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-26 15:02:11,988 INFO L241 Difference]: Finished difference. Result has 235 places, 324 transitions, 6525 flow [2021-03-26 15:02:11,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=5490, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6525, PETRI_PLACES=235, PETRI_TRANSITIONS=324} [2021-03-26 15:02:11,988 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 182 predicate places. [2021-03-26 15:02:11,988 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:11,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 235 places, 324 transitions, 6525 flow [2021-03-26 15:02:11,989 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 235 places, 324 transitions, 6525 flow [2021-03-26 15:02:11,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 235 places, 324 transitions, 6525 flow [2021-03-26 15:02:12,070 INFO L129 PetriNetUnfolder]: 337/767 cut-off events. [2021-03-26 15:02:12,070 INFO L130 PetriNetUnfolder]: For 13534/13550 co-relation queries the response was YES. [2021-03-26 15:02:12,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6318 conditions, 767 events. 337/767 cut-off events. For 13534/13550 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4639 event pairs, 13 based on Foata normal form. 0/660 useless extension candidates. Maximal degree in co-relation 6180. Up to 262 conditions per place. [2021-03-26 15:02:12,083 INFO L142 LiptonReduction]: Number of co-enabled transitions 1324 [2021-03-26 15:02:12,101 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:12,101 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:12,101 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 113 [2021-03-26 15:02:12,102 INFO L480 AbstractCegarLoop]: Abstraction has has 235 places, 324 transitions, 6525 flow [2021-03-26 15:02:12,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:12,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:12,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:12,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-26 15:02:12,102 INFO L428 AbstractCegarLoop]: === Iteration 44 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:12,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:12,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1599668640, now seen corresponding path program 33 times [2021-03-26 15:02:12,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:12,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089353216] [2021-03-26 15:02:12,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:12,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:12,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:12,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:12,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:12,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:12,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:12,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:12,180 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:12,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:12,192 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:12,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:12,205 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:12,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:12,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089353216] [2021-03-26 15:02:12,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:12,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:12,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928964225] [2021-03-26 15:02:12,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:12,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:12,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:12,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:12,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:12,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 324 transitions, 6525 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:12,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:12,208 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:12,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:12,648 INFO L129 PetriNetUnfolder]: 428/932 cut-off events. [2021-03-26 15:02:12,648 INFO L130 PetriNetUnfolder]: For 16521/16549 co-relation queries the response was YES. [2021-03-26 15:02:12,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8144 conditions, 932 events. 428/932 cut-off events. For 16521/16549 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5521 event pairs, 19 based on Foata normal form. 17/829 useless extension candidates. Maximal degree in co-relation 7997. Up to 470 conditions per place. [2021-03-26 15:02:12,656 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 181 selfloop transitions, 155 changer transitions 3/357 dead transitions. [2021-03-26 15:02:12,656 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 357 transitions, 8024 flow [2021-03-26 15:02:12,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 811 transitions. [2021-03-26 15:02:12,658 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5517006802721088 [2021-03-26 15:02:12,658 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 811 transitions. [2021-03-26 15:02:12,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 811 transitions. [2021-03-26 15:02:12,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:12,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 811 transitions. [2021-03-26 15:02:12,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.06666666666667) internal successors, (811), 15 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:12,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 98.0) internal successors, (1568), 16 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:12,661 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 98.0) internal successors, (1568), 16 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:12,661 INFO L185 Difference]: Start difference. First operand has 235 places, 324 transitions, 6525 flow. Second operand 15 states and 811 transitions. [2021-03-26 15:02:12,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 357 transitions, 8024 flow [2021-03-26 15:02:12,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 357 transitions, 7730 flow, removed 122 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:12,745 INFO L241 Difference]: Finished difference. Result has 246 places, 345 transitions, 7360 flow [2021-03-26 15:02:12,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=6335, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=7360, PETRI_PLACES=246, PETRI_TRANSITIONS=345} [2021-03-26 15:02:12,745 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 193 predicate places. [2021-03-26 15:02:12,745 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:12,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 246 places, 345 transitions, 7360 flow [2021-03-26 15:02:12,746 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 246 places, 345 transitions, 7360 flow [2021-03-26 15:02:12,748 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 345 transitions, 7360 flow [2021-03-26 15:02:12,824 INFO L129 PetriNetUnfolder]: 359/833 cut-off events. [2021-03-26 15:02:12,825 INFO L130 PetriNetUnfolder]: For 15175/15202 co-relation queries the response was YES. [2021-03-26 15:02:12,829 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6914 conditions, 833 events. 359/833 cut-off events. For 15175/15202 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5215 event pairs, 8 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 6765. Up to 275 conditions per place. [2021-03-26 15:02:12,835 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-26 15:02:12,852 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:12,852 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:12,852 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-03-26 15:02:12,853 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 345 transitions, 7360 flow [2021-03-26 15:02:12,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:12,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:12,853 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:12,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-26 15:02:12,853 INFO L428 AbstractCegarLoop]: === Iteration 45 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:12,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:12,853 INFO L82 PathProgramCache]: Analyzing trace with hash 76278314, now seen corresponding path program 34 times [2021-03-26 15:02:12,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:12,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953189682] [2021-03-26 15:02:12,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:12,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:12,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:12,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:12,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:12,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:12,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:12,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:12,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:12,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:12,942 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:12,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:12,957 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:12,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:12,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:12,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953189682] [2021-03-26 15:02:12,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:12,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:12,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781643628] [2021-03-26 15:02:12,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:12,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:12,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:12,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:12,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:12,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 345 transitions, 7360 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:12,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:12,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:12,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:13,340 INFO L129 PetriNetUnfolder]: 431/951 cut-off events. [2021-03-26 15:02:13,340 INFO L130 PetriNetUnfolder]: For 17752/17796 co-relation queries the response was YES. [2021-03-26 15:02:13,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8325 conditions, 951 events. 431/951 cut-off events. For 17752/17796 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5771 event pairs, 20 based on Foata normal form. 30/854 useless extension candidates. Maximal degree in co-relation 8172. Up to 534 conditions per place. [2021-03-26 15:02:13,348 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 279 selfloop transitions, 57 changer transitions 5/359 dead transitions. [2021-03-26 15:02:13,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 359 transitions, 8142 flow [2021-03-26 15:02:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:13,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 740 transitions. [2021-03-26 15:02:13,349 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5393586005830904 [2021-03-26 15:02:13,349 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 740 transitions. [2021-03-26 15:02:13,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 740 transitions. [2021-03-26 15:02:13,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:13,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 740 transitions. [2021-03-26 15:02:13,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.857142857142854) internal successors, (740), 14 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:13,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:13,352 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:13,352 INFO L185 Difference]: Start difference. First operand has 246 places, 345 transitions, 7360 flow. Second operand 14 states and 740 transitions. [2021-03-26 15:02:13,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 359 transitions, 8142 flow [2021-03-26 15:02:13,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 359 transitions, 7928 flow, removed 95 selfloop flow, removed 3 redundant places. [2021-03-26 15:02:13,440 INFO L241 Difference]: Finished difference. Result has 260 places, 344 transitions, 7289 flow [2021-03-26 15:02:13,440 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=7146, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=7289, PETRI_PLACES=260, PETRI_TRANSITIONS=344} [2021-03-26 15:02:13,440 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 207 predicate places. [2021-03-26 15:02:13,440 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:13,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 260 places, 344 transitions, 7289 flow [2021-03-26 15:02:13,441 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 260 places, 344 transitions, 7289 flow [2021-03-26 15:02:13,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 344 transitions, 7289 flow [2021-03-26 15:02:13,515 INFO L129 PetriNetUnfolder]: 359/832 cut-off events. [2021-03-26 15:02:13,515 INFO L130 PetriNetUnfolder]: For 14870/14897 co-relation queries the response was YES. [2021-03-26 15:02:13,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6909 conditions, 832 events. 359/832 cut-off events. For 14870/14897 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5197 event pairs, 10 based on Foata normal form. 0/710 useless extension candidates. Maximal degree in co-relation 6815. Up to 269 conditions per place. [2021-03-26 15:02:13,527 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-26 15:02:13,548 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:13,548 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:13,549 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-03-26 15:02:13,549 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 344 transitions, 7289 flow [2021-03-26 15:02:13,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:13,549 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:13,549 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:13,549 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-26 15:02:13,549 INFO L428 AbstractCegarLoop]: === Iteration 46 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:13,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:13,550 INFO L82 PathProgramCache]: Analyzing trace with hash 349467890, now seen corresponding path program 35 times [2021-03-26 15:02:13,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:13,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210144136] [2021-03-26 15:02:13,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:13,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:13,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:13,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:13,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:13,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:13,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:13,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:13,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:13,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:13,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:13,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:13,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:13,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:13,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:13,621 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:13,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:13,633 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:13,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:13,646 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:13,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:13,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210144136] [2021-03-26 15:02:13,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:13,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:13,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663972074] [2021-03-26 15:02:13,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:13,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:13,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:13,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:13,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98 [2021-03-26 15:02:13,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 344 transitions, 7289 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:13,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:13,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98 [2021-03-26 15:02:13,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:14,017 INFO L129 PetriNetUnfolder]: 428/937 cut-off events. [2021-03-26 15:02:14,017 INFO L130 PetriNetUnfolder]: For 17486/17530 co-relation queries the response was YES. [2021-03-26 15:02:14,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8287 conditions, 937 events. 428/937 cut-off events. For 17486/17530 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5577 event pairs, 20 based on Foata normal form. 30/842 useless extension candidates. Maximal degree in co-relation 8191. Up to 538 conditions per place. [2021-03-26 15:02:14,026 INFO L132 encePairwiseOnDemand]: 82/98 looper letters, 275 selfloop transitions, 49 changer transitions 12/354 dead transitions. [2021-03-26 15:02:14,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 354 transitions, 8029 flow [2021-03-26 15:02:14,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:14,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 734 transitions. [2021-03-26 15:02:14,027 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5349854227405247 [2021-03-26 15:02:14,028 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 734 transitions. [2021-03-26 15:02:14,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 734 transitions. [2021-03-26 15:02:14,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:14,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 734 transitions. [2021-03-26 15:02:14,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.42857142857143) internal successors, (734), 14 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:14,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:14,029 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 98.0) internal successors, (1470), 15 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:14,029 INFO L185 Difference]: Start difference. First operand has 258 places, 344 transitions, 7289 flow. Second operand 14 states and 734 transitions. [2021-03-26 15:02:14,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 354 transitions, 8029 flow [2021-03-26 15:02:14,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 354 transitions, 7871 flow, removed 7 selfloop flow, removed 15 redundant places. [2021-03-26 15:02:14,123 INFO L241 Difference]: Finished difference. Result has 258 places, 333 transitions, 6979 flow [2021-03-26 15:02:14,124 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=7131, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6979, PETRI_PLACES=258, PETRI_TRANSITIONS=333} [2021-03-26 15:02:14,124 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 205 predicate places. [2021-03-26 15:02:14,124 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:14,124 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 333 transitions, 6979 flow [2021-03-26 15:02:14,124 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 333 transitions, 6979 flow [2021-03-26 15:02:14,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 333 transitions, 6979 flow [2021-03-26 15:02:14,230 INFO L129 PetriNetUnfolder]: 354/818 cut-off events. [2021-03-26 15:02:14,230 INFO L130 PetriNetUnfolder]: For 14474/14501 co-relation queries the response was YES. [2021-03-26 15:02:14,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6710 conditions, 818 events. 354/818 cut-off events. For 14474/14501 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5086 event pairs, 6 based on Foata normal form. 0/698 useless extension candidates. Maximal degree in co-relation 6613. Up to 267 conditions per place. [2021-03-26 15:02:14,245 INFO L142 LiptonReduction]: Number of co-enabled transitions 1422 [2021-03-26 15:02:14,302 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:14,302 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:14,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 178 [2021-03-26 15:02:14,303 INFO L480 AbstractCegarLoop]: Abstraction has has 253 places, 333 transitions, 6981 flow [2021-03-26 15:02:14,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:14,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:14,303 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:14,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-26 15:02:14,303 INFO L428 AbstractCegarLoop]: === Iteration 47 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:14,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:14,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1576978176, now seen corresponding path program 36 times [2021-03-26 15:02:14,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:14,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29605345] [2021-03-26 15:02:14,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:14,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:14,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:14,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:14,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:14,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:14,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:14,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:14,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:14,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:14,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:14,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:14,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:14,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:14,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:14,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:14,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:14,394 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:14,409 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:14,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:14,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29605345] [2021-03-26 15:02:14,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:14,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:14,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503917700] [2021-03-26 15:02:14,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:14,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:14,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:14,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:14,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 99 [2021-03-26 15:02:14,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 333 transitions, 6981 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:14,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:14,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 99 [2021-03-26 15:02:14,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:14,842 INFO L129 PetriNetUnfolder]: 418/913 cut-off events. [2021-03-26 15:02:14,842 INFO L130 PetriNetUnfolder]: For 16360/16368 co-relation queries the response was YES. [2021-03-26 15:02:14,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8056 conditions, 913 events. 418/913 cut-off events. For 16360/16368 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 5420 event pairs, 19 based on Foata normal form. 9/802 useless extension candidates. Maximal degree in co-relation 7957. Up to 514 conditions per place. [2021-03-26 15:02:14,850 INFO L132 encePairwiseOnDemand]: 82/99 looper letters, 256 selfloop transitions, 65 changer transitions 5/344 dead transitions. [2021-03-26 15:02:14,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 344 transitions, 7696 flow [2021-03-26 15:02:14,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 690 transitions. [2021-03-26 15:02:14,851 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5361305361305362 [2021-03-26 15:02:14,851 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 690 transitions. [2021-03-26 15:02:14,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 690 transitions. [2021-03-26 15:02:14,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:14,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 690 transitions. [2021-03-26 15:02:14,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.07692307692308) internal successors, (690), 13 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:14,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:14,853 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:14,853 INFO L185 Difference]: Start difference. First operand has 253 places, 333 transitions, 6981 flow. Second operand 13 states and 690 transitions. [2021-03-26 15:02:14,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 344 transitions, 7696 flow [2021-03-26 15:02:14,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 344 transitions, 7541 flow, removed 10 selfloop flow, removed 18 redundant places. [2021-03-26 15:02:14,930 INFO L241 Difference]: Finished difference. Result has 248 places, 328 transitions, 6899 flow [2021-03-26 15:02:14,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=6826, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6899, PETRI_PLACES=248, PETRI_TRANSITIONS=328} [2021-03-26 15:02:14,930 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 195 predicate places. [2021-03-26 15:02:14,930 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:14,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 328 transitions, 6899 flow [2021-03-26 15:02:14,931 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 328 transitions, 6899 flow [2021-03-26 15:02:14,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 246 places, 328 transitions, 6899 flow [2021-03-26 15:02:15,002 INFO L129 PetriNetUnfolder]: 350/814 cut-off events. [2021-03-26 15:02:15,002 INFO L130 PetriNetUnfolder]: For 14626/14656 co-relation queries the response was YES. [2021-03-26 15:02:15,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6793 conditions, 814 events. 350/814 cut-off events. For 14626/14656 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4979 event pairs, 2 based on Foata normal form. 3/700 useless extension candidates. Maximal degree in co-relation 6698. Up to 267 conditions per place. [2021-03-26 15:02:15,013 INFO L142 LiptonReduction]: Number of co-enabled transitions 1388 [2021-03-26 15:02:15,026 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:15,026 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:15,026 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-03-26 15:02:15,027 INFO L480 AbstractCegarLoop]: Abstraction has has 246 places, 328 transitions, 6899 flow [2021-03-26 15:02:15,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:15,027 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:15,027 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:15,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-26 15:02:15,027 INFO L428 AbstractCegarLoop]: === Iteration 48 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:15,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:15,027 INFO L82 PathProgramCache]: Analyzing trace with hash 630758542, now seen corresponding path program 37 times [2021-03-26 15:02:15,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:15,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750925621] [2021-03-26 15:02:15,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:15,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:15,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:15,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:15,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:15,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:15,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:15,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:15,112 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:15,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:15,128 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:15,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:15,146 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:15,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:15,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:15,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750925621] [2021-03-26 15:02:15,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:15,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:15,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232456968] [2021-03-26 15:02:15,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:15,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:15,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:15,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:15,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 99 [2021-03-26 15:02:15,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 328 transitions, 6899 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:15,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:15,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 99 [2021-03-26 15:02:15,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:15,601 INFO L129 PetriNetUnfolder]: 412/893 cut-off events. [2021-03-26 15:02:15,601 INFO L130 PetriNetUnfolder]: For 16259/16287 co-relation queries the response was YES. [2021-03-26 15:02:15,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7986 conditions, 893 events. 412/893 cut-off events. For 16259/16287 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5213 event pairs, 19 based on Foata normal form. 17/795 useless extension candidates. Maximal degree in co-relation 7889. Up to 521 conditions per place. [2021-03-26 15:02:15,614 INFO L132 encePairwiseOnDemand]: 83/99 looper letters, 263 selfloop transitions, 51 changer transitions 6/338 dead transitions. [2021-03-26 15:02:15,614 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 338 transitions, 7603 flow [2021-03-26 15:02:15,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 733 transitions. [2021-03-26 15:02:15,616 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5288600288600288 [2021-03-26 15:02:15,616 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 733 transitions. [2021-03-26 15:02:15,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 733 transitions. [2021-03-26 15:02:15,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:15,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 733 transitions. [2021-03-26 15:02:15,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.357142857142854) internal successors, (733), 14 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:15,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:15,621 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:15,621 INFO L185 Difference]: Start difference. First operand has 246 places, 328 transitions, 6899 flow. Second operand 14 states and 733 transitions. [2021-03-26 15:02:15,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 338 transitions, 7603 flow [2021-03-26 15:02:15,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 338 transitions, 7440 flow, removed 3 selfloop flow, removed 15 redundant places. [2021-03-26 15:02:15,731 INFO L241 Difference]: Finished difference. Result has 245 places, 322 transitions, 6737 flow [2021-03-26 15:02:15,731 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=6736, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6737, PETRI_PLACES=245, PETRI_TRANSITIONS=322} [2021-03-26 15:02:15,731 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 192 predicate places. [2021-03-26 15:02:15,731 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:15,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 245 places, 322 transitions, 6737 flow [2021-03-26 15:02:15,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 245 places, 322 transitions, 6737 flow [2021-03-26 15:02:15,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 322 transitions, 6737 flow [2021-03-26 15:02:15,828 INFO L129 PetriNetUnfolder]: 351/791 cut-off events. [2021-03-26 15:02:15,828 INFO L130 PetriNetUnfolder]: For 14937/15003 co-relation queries the response was YES. [2021-03-26 15:02:15,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6658 conditions, 791 events. 351/791 cut-off events. For 14937/15003 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4762 event pairs, 6 based on Foata normal form. 1/678 useless extension candidates. Maximal degree in co-relation 6567. Up to 270 conditions per place. [2021-03-26 15:02:15,841 INFO L142 LiptonReduction]: Number of co-enabled transitions 1378 [2021-03-26 15:02:15,854 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:15,854 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:15,854 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-03-26 15:02:15,854 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 322 transitions, 6737 flow [2021-03-26 15:02:15,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:15,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:15,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:15,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-26 15:02:15,855 INFO L428 AbstractCegarLoop]: === Iteration 49 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:15,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:15,855 INFO L82 PathProgramCache]: Analyzing trace with hash -484771342, now seen corresponding path program 38 times [2021-03-26 15:02:15,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:15,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967824058] [2021-03-26 15:02:15,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:15,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:15,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:15,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:15,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:15,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:15,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:15,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:15,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:15,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:15,940 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:15,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:15,956 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:15,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:15,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967824058] [2021-03-26 15:02:15,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:15,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:15,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418799072] [2021-03-26 15:02:15,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:15,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:15,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:15,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:15,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 99 [2021-03-26 15:02:15,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 322 transitions, 6737 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:15,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:15,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 99 [2021-03-26 15:02:15,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:16,347 INFO L129 PetriNetUnfolder]: 414/901 cut-off events. [2021-03-26 15:02:16,348 INFO L130 PetriNetUnfolder]: For 15778/15786 co-relation queries the response was YES. [2021-03-26 15:02:16,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7910 conditions, 901 events. 414/901 cut-off events. For 15778/15786 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 5287 event pairs, 19 based on Foata normal form. 9/792 useless extension candidates. Maximal degree in co-relation 7817. Up to 505 conditions per place. [2021-03-26 15:02:16,357 INFO L132 encePairwiseOnDemand]: 83/99 looper letters, 250 selfloop transitions, 65 changer transitions 5/338 dead transitions. [2021-03-26 15:02:16,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 338 transitions, 7525 flow [2021-03-26 15:02:16,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:16,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 700 transitions. [2021-03-26 15:02:16,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5439005439005439 [2021-03-26 15:02:16,358 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 700 transitions. [2021-03-26 15:02:16,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 700 transitions. [2021-03-26 15:02:16,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:16,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 700 transitions. [2021-03-26 15:02:16,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.84615384615385) internal successors, (700), 13 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:16,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:16,360 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 99.0) internal successors, (1386), 14 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:16,360 INFO L185 Difference]: Start difference. First operand has 239 places, 322 transitions, 6737 flow. Second operand 13 states and 700 transitions. [2021-03-26 15:02:16,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 338 transitions, 7525 flow [2021-03-26 15:02:16,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 338 transitions, 7360 flow, removed 22 selfloop flow, removed 15 redundant places. [2021-03-26 15:02:16,447 INFO L241 Difference]: Finished difference. Result has 239 places, 321 transitions, 6704 flow [2021-03-26 15:02:16,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=6572, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6704, PETRI_PLACES=239, PETRI_TRANSITIONS=321} [2021-03-26 15:02:16,447 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 186 predicate places. [2021-03-26 15:02:16,447 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:16,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 321 transitions, 6704 flow [2021-03-26 15:02:16,447 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 321 transitions, 6704 flow [2021-03-26 15:02:16,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 321 transitions, 6704 flow [2021-03-26 15:02:16,542 INFO L129 PetriNetUnfolder]: 350/784 cut-off events. [2021-03-26 15:02:16,543 INFO L130 PetriNetUnfolder]: For 13105/13137 co-relation queries the response was YES. [2021-03-26 15:02:16,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6580 conditions, 784 events. 350/784 cut-off events. For 13105/13137 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 4684 event pairs, 17 based on Foata normal form. 0/674 useless extension candidates. Maximal degree in co-relation 6489. Up to 270 conditions per place. [2021-03-26 15:02:16,559 INFO L142 LiptonReduction]: Number of co-enabled transitions 1378 [2021-03-26 15:02:16,578 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:16,578 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:16,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 132 [2021-03-26 15:02:16,579 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 321 transitions, 6704 flow [2021-03-26 15:02:16,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:16,579 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:16,579 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:16,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-26 15:02:16,579 INFO L428 AbstractCegarLoop]: === Iteration 50 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:16,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:16,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1074345050, now seen corresponding path program 39 times [2021-03-26 15:02:16,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:16,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348179557] [2021-03-26 15:02:16,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:16,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:16,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:16,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:16,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:16,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:16,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:16,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:16,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:16,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:16,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:16,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:16,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:16,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:16,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:16,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:16,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:16,675 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:16,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:16,692 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:16,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:16,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:16,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348179557] [2021-03-26 15:02:16,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:16,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:16,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888728553] [2021-03-26 15:02:16,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:16,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:16,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:16,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:16,696 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 99 [2021-03-26 15:02:16,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 321 transitions, 6704 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:16,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:16,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 99 [2021-03-26 15:02:16,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:17,118 INFO L129 PetriNetUnfolder]: 421/917 cut-off events. [2021-03-26 15:02:17,118 INFO L130 PetriNetUnfolder]: For 15099/15107 co-relation queries the response was YES. [2021-03-26 15:02:17,123 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7916 conditions, 917 events. 421/917 cut-off events. For 15099/15107 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 5401 event pairs, 19 based on Foata normal form. 9/803 useless extension candidates. Maximal degree in co-relation 7823. Up to 499 conditions per place. [2021-03-26 15:02:17,126 INFO L132 encePairwiseOnDemand]: 83/99 looper letters, 230 selfloop transitions, 86 changer transitions 7/341 dead transitions. [2021-03-26 15:02:17,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 341 transitions, 7637 flow [2021-03-26 15:02:17,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:17,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 750 transitions. [2021-03-26 15:02:17,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5411255411255411 [2021-03-26 15:02:17,127 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 750 transitions. [2021-03-26 15:02:17,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 750 transitions. [2021-03-26 15:02:17,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:17,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 750 transitions. [2021-03-26 15:02:17,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.57142857142857) internal successors, (750), 14 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:17,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:17,129 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 99.0) internal successors, (1485), 15 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:17,129 INFO L185 Difference]: Start difference. First operand has 238 places, 321 transitions, 6704 flow. Second operand 14 states and 750 transitions. [2021-03-26 15:02:17,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 341 transitions, 7637 flow [2021-03-26 15:02:17,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 341 transitions, 7488 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-26 15:02:17,197 INFO L241 Difference]: Finished difference. Result has 243 places, 323 transitions, 6802 flow [2021-03-26 15:02:17,197 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=6555, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6802, PETRI_PLACES=243, PETRI_TRANSITIONS=323} [2021-03-26 15:02:17,197 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 190 predicate places. [2021-03-26 15:02:17,198 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:17,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 243 places, 323 transitions, 6802 flow [2021-03-26 15:02:17,198 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 243 places, 323 transitions, 6802 flow [2021-03-26 15:02:17,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 243 places, 323 transitions, 6802 flow [2021-03-26 15:02:17,269 INFO L129 PetriNetUnfolder]: 343/784 cut-off events. [2021-03-26 15:02:17,269 INFO L130 PetriNetUnfolder]: For 13516/13543 co-relation queries the response was YES. [2021-03-26 15:02:17,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6506 conditions, 784 events. 343/784 cut-off events. For 13516/13543 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4740 event pairs, 11 based on Foata normal form. 0/670 useless extension candidates. Maximal degree in co-relation 6364. Up to 264 conditions per place. [2021-03-26 15:02:17,279 INFO L142 LiptonReduction]: Number of co-enabled transitions 1440 [2021-03-26 15:02:17,292 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:17,292 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:17,292 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94 [2021-03-26 15:02:17,292 INFO L480 AbstractCegarLoop]: Abstraction has has 243 places, 323 transitions, 6802 flow [2021-03-26 15:02:17,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:17,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:17,293 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:17,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-26 15:02:17,293 INFO L428 AbstractCegarLoop]: === Iteration 51 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:17,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:17,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1879084172, now seen corresponding path program 40 times [2021-03-26 15:02:17,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:17,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678971504] [2021-03-26 15:02:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:17,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:17,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:17,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:17,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:17,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:17,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:17,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:17,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:17,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:17,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:17,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:17,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:17,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:17,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:17,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:17,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:17,383 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:17,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:17,398 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:17,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:17,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:17,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678971504] [2021-03-26 15:02:17,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:17,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:17,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592740929] [2021-03-26 15:02:17,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:17,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:17,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:17,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:17,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 99 [2021-03-26 15:02:17,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 323 transitions, 6802 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:17,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:17,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 99 [2021-03-26 15:02:17,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:17,891 INFO L129 PetriNetUnfolder]: 412/895 cut-off events. [2021-03-26 15:02:17,891 INFO L130 PetriNetUnfolder]: For 15749/15793 co-relation queries the response was YES. [2021-03-26 15:02:17,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7873 conditions, 895 events. 412/895 cut-off events. For 15749/15793 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5232 event pairs, 20 based on Foata normal form. 30/809 useless extension candidates. Maximal degree in co-relation 7726. Up to 485 conditions per place. [2021-03-26 15:02:17,899 INFO L132 encePairwiseOnDemand]: 83/99 looper letters, 225 selfloop transitions, 87 changer transitions 6/336 dead transitions. [2021-03-26 15:02:17,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 336 transitions, 7522 flow [2021-03-26 15:02:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 814 transitions. [2021-03-26 15:02:17,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5481481481481482 [2021-03-26 15:02:17,901 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 814 transitions. [2021-03-26 15:02:17,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 814 transitions. [2021-03-26 15:02:17,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:17,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 814 transitions. [2021-03-26 15:02:17,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.266666666666666) internal successors, (814), 15 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:17,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:17,903 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:17,903 INFO L185 Difference]: Start difference. First operand has 243 places, 323 transitions, 6802 flow. Second operand 15 states and 814 transitions. [2021-03-26 15:02:17,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 336 transitions, 7522 flow [2021-03-26 15:02:17,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 336 transitions, 7302 flow, removed 53 selfloop flow, removed 10 redundant places. [2021-03-26 15:02:17,996 INFO L241 Difference]: Finished difference. Result has 249 places, 318 transitions, 6649 flow [2021-03-26 15:02:17,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=6582, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6649, PETRI_PLACES=249, PETRI_TRANSITIONS=318} [2021-03-26 15:02:17,997 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 196 predicate places. [2021-03-26 15:02:17,997 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:17,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 318 transitions, 6649 flow [2021-03-26 15:02:17,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 318 transitions, 6649 flow [2021-03-26 15:02:18,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 318 transitions, 6649 flow [2021-03-26 15:02:18,098 INFO L129 PetriNetUnfolder]: 338/769 cut-off events. [2021-03-26 15:02:18,098 INFO L130 PetriNetUnfolder]: For 13334/13361 co-relation queries the response was YES. [2021-03-26 15:02:18,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6430 conditions, 769 events. 338/769 cut-off events. For 13334/13361 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4638 event pairs, 12 based on Foata normal form. 0/660 useless extension candidates. Maximal degree in co-relation 6310. Up to 256 conditions per place. [2021-03-26 15:02:18,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 1416 [2021-03-26 15:02:18,134 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:18,134 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:18,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-03-26 15:02:18,134 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 318 transitions, 6649 flow [2021-03-26 15:02:18,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:18,134 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:18,135 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:18,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-26 15:02:18,135 INFO L428 AbstractCegarLoop]: === Iteration 52 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:18,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:18,135 INFO L82 PathProgramCache]: Analyzing trace with hash 410680938, now seen corresponding path program 41 times [2021-03-26 15:02:18,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:18,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849981017] [2021-03-26 15:02:18,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:18,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:18,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:18,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:18,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:18,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:18,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:18,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:18,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:18,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:18,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:18,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:18,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:18,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:18,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:18,219 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:18,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:18,234 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:18,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:18,250 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:18,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:18,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849981017] [2021-03-26 15:02:18,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:18,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:18,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790655427] [2021-03-26 15:02:18,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:18,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:18,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:18,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:18,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 99 [2021-03-26 15:02:18,255 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 318 transitions, 6649 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:18,255 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:18,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 99 [2021-03-26 15:02:18,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:18,715 INFO L129 PetriNetUnfolder]: 410/896 cut-off events. [2021-03-26 15:02:18,715 INFO L130 PetriNetUnfolder]: For 15100/15108 co-relation queries the response was YES. [2021-03-26 15:02:18,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7848 conditions, 896 events. 410/896 cut-off events. For 15100/15108 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 5242 event pairs, 21 based on Foata normal form. 10/789 useless extension candidates. Maximal degree in co-relation 7699. Up to 475 conditions per place. [2021-03-26 15:02:18,726 INFO L132 encePairwiseOnDemand]: 83/99 looper letters, 203 selfloop transitions, 99 changer transitions 15/335 dead transitions. [2021-03-26 15:02:18,726 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 335 transitions, 7525 flow [2021-03-26 15:02:18,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 812 transitions. [2021-03-26 15:02:18,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5468013468013468 [2021-03-26 15:02:18,727 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 812 transitions. [2021-03-26 15:02:18,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 812 transitions. [2021-03-26 15:02:18,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:18,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 812 transitions. [2021-03-26 15:02:18,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.13333333333333) internal successors, (812), 15 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:18,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:18,729 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 99.0) internal successors, (1584), 16 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:18,730 INFO L185 Difference]: Start difference. First operand has 249 places, 318 transitions, 6649 flow. Second operand 15 states and 812 transitions. [2021-03-26 15:02:18,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 335 transitions, 7525 flow [2021-03-26 15:02:18,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 335 transitions, 7296 flow, removed 28 selfloop flow, removed 13 redundant places. [2021-03-26 15:02:18,804 INFO L241 Difference]: Finished difference. Result has 253 places, 309 transitions, 6413 flow [2021-03-26 15:02:18,804 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=99, PETRI_DIFFERENCE_MINUEND_FLOW=6424, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6413, PETRI_PLACES=253, PETRI_TRANSITIONS=309} [2021-03-26 15:02:18,804 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 200 predicate places. [2021-03-26 15:02:18,804 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:18,804 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 309 transitions, 6413 flow [2021-03-26 15:02:18,804 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 309 transitions, 6413 flow [2021-03-26 15:02:18,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 309 transitions, 6413 flow [2021-03-26 15:02:18,875 INFO L129 PetriNetUnfolder]: 331/756 cut-off events. [2021-03-26 15:02:18,876 INFO L130 PetriNetUnfolder]: For 13278/13305 co-relation queries the response was YES. [2021-03-26 15:02:18,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6253 conditions, 756 events. 331/756 cut-off events. For 13278/13305 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4504 event pairs, 14 based on Foata normal form. 0/647 useless extension candidates. Maximal degree in co-relation 6109. Up to 249 conditions per place. [2021-03-26 15:02:18,885 INFO L142 LiptonReduction]: Number of co-enabled transitions 1440 [2021-03-26 15:02:18,962 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:18,962 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:02:18,962 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-03-26 15:02:18,962 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 309 transitions, 6449 flow [2021-03-26 15:02:18,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:18,962 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:18,962 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:18,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-26 15:02:18,962 INFO L428 AbstractCegarLoop]: === Iteration 53 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:18,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:18,963 INFO L82 PathProgramCache]: Analyzing trace with hash -66587495, now seen corresponding path program 1 times [2021-03-26 15:02:18,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:18,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161240550] [2021-03-26 15:02:18,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:18,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:18,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:18,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:18,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:19,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:19,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:19,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:19,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:19,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:19,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:19,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:19,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:19,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:19,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:19,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:19,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:19,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:19,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:19,092 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:19,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:19,107 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:19,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:19,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:19,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161240550] [2021-03-26 15:02:19,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:19,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:19,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028646819] [2021-03-26 15:02:19,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:19,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:19,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:19,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:19,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 101 [2021-03-26 15:02:19,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 309 transitions, 6449 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:19,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:19,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 101 [2021-03-26 15:02:19,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:19,692 INFO L129 PetriNetUnfolder]: 440/947 cut-off events. [2021-03-26 15:02:19,692 INFO L130 PetriNetUnfolder]: For 16814/16818 co-relation queries the response was YES. [2021-03-26 15:02:19,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8302 conditions, 947 events. 440/947 cut-off events. For 16814/16818 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5673 event pairs, 5 based on Foata normal form. 5/830 useless extension candidates. Maximal degree in co-relation 8147. Up to 489 conditions per place. [2021-03-26 15:02:19,701 INFO L132 encePairwiseOnDemand]: 83/101 looper letters, 242 selfloop transitions, 119 changer transitions 0/379 dead transitions. [2021-03-26 15:02:19,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 379 transitions, 8545 flow [2021-03-26 15:02:19,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 15:02:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 15:02:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1014 transitions. [2021-03-26 15:02:19,702 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5284002084418968 [2021-03-26 15:02:19,702 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1014 transitions. [2021-03-26 15:02:19,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1014 transitions. [2021-03-26 15:02:19,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:19,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1014 transitions. [2021-03-26 15:02:19,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.36842105263158) internal successors, (1014), 19 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:19,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 101.0) internal successors, (2020), 20 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:19,704 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 101.0) internal successors, (2020), 20 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:19,704 INFO L185 Difference]: Start difference. First operand has 252 places, 309 transitions, 6449 flow. Second operand 19 states and 1014 transitions. [2021-03-26 15:02:19,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 379 transitions, 8545 flow [2021-03-26 15:02:19,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 379 transitions, 8155 flow, removed 125 selfloop flow, removed 12 redundant places. [2021-03-26 15:02:19,792 INFO L241 Difference]: Finished difference. Result has 262 places, 359 transitions, 7638 flow [2021-03-26 15:02:19,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=6068, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7638, PETRI_PLACES=262, PETRI_TRANSITIONS=359} [2021-03-26 15:02:19,792 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 209 predicate places. [2021-03-26 15:02:19,792 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:19,792 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 262 places, 359 transitions, 7638 flow [2021-03-26 15:02:19,793 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 262 places, 359 transitions, 7638 flow [2021-03-26 15:02:19,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 262 places, 359 transitions, 7638 flow [2021-03-26 15:02:19,876 INFO L129 PetriNetUnfolder]: 388/862 cut-off events. [2021-03-26 15:02:19,876 INFO L130 PetriNetUnfolder]: For 16604/16660 co-relation queries the response was YES. [2021-03-26 15:02:19,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7302 conditions, 862 events. 388/862 cut-off events. For 16604/16660 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5185 event pairs, 5 based on Foata normal form. 2/736 useless extension candidates. Maximal degree in co-relation 7150. Up to 281 conditions per place. [2021-03-26 15:02:19,888 INFO L142 LiptonReduction]: Number of co-enabled transitions 1640 [2021-03-26 15:02:19,997 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 15:02:19,997 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:02:19,997 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 205 [2021-03-26 15:02:19,997 INFO L480 AbstractCegarLoop]: Abstraction has has 262 places, 359 transitions, 7662 flow [2021-03-26 15:02:19,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:19,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:19,997 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:19,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-26 15:02:19,997 INFO L428 AbstractCegarLoop]: === Iteration 54 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:19,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:19,998 INFO L82 PathProgramCache]: Analyzing trace with hash -81493675, now seen corresponding path program 1 times [2021-03-26 15:02:19,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:19,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860187007] [2021-03-26 15:02:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:20,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:20,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:20,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:20,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:02:20,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:20,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:20,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:20,091 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:20,098 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:20,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860187007] [2021-03-26 15:02:20,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:20,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:20,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872704637] [2021-03-26 15:02:20,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:20,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:20,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:20,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:20,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 103 [2021-03-26 15:02:20,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 359 transitions, 7662 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:20,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:20,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 103 [2021-03-26 15:02:20,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:20,434 INFO L129 PetriNetUnfolder]: 440/958 cut-off events. [2021-03-26 15:02:20,434 INFO L130 PetriNetUnfolder]: For 16668/16680 co-relation queries the response was YES. [2021-03-26 15:02:20,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8545 conditions, 958 events. 440/958 cut-off events. For 16668/16680 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5767 event pairs, 19 based on Foata normal form. 13/849 useless extension candidates. Maximal degree in co-relation 8384. Up to 530 conditions per place. [2021-03-26 15:02:20,443 INFO L132 encePairwiseOnDemand]: 84/103 looper letters, 272 selfloop transitions, 84 changer transitions 0/374 dead transitions. [2021-03-26 15:02:20,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 374 transitions, 8571 flow [2021-03-26 15:02:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:02:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:02:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 601 transitions. [2021-03-26 15:02:20,444 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.53045013239188 [2021-03-26 15:02:20,444 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 601 transitions. [2021-03-26 15:02:20,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 601 transitions. [2021-03-26 15:02:20,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:20,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 601 transitions. [2021-03-26 15:02:20,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.63636363636363) internal successors, (601), 11 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:20,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 103.0) internal successors, (1236), 12 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:20,445 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 103.0) internal successors, (1236), 12 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:20,445 INFO L185 Difference]: Start difference. First operand has 262 places, 359 transitions, 7662 flow. Second operand 11 states and 601 transitions. [2021-03-26 15:02:20,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 374 transitions, 8571 flow [2021-03-26 15:02:20,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 374 transitions, 8026 flow, removed 250 selfloop flow, removed 4 redundant places. [2021-03-26 15:02:20,524 INFO L241 Difference]: Finished difference. Result has 272 places, 366 transitions, 7525 flow [2021-03-26 15:02:20,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=7119, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7525, PETRI_PLACES=272, PETRI_TRANSITIONS=366} [2021-03-26 15:02:20,525 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 219 predicate places. [2021-03-26 15:02:20,525 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:20,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 272 places, 366 transitions, 7525 flow [2021-03-26 15:02:20,525 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 272 places, 366 transitions, 7525 flow [2021-03-26 15:02:20,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 272 places, 366 transitions, 7525 flow [2021-03-26 15:02:20,602 INFO L129 PetriNetUnfolder]: 375/858 cut-off events. [2021-03-26 15:02:20,602 INFO L130 PetriNetUnfolder]: For 15006/15013 co-relation queries the response was YES. [2021-03-26 15:02:20,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7003 conditions, 858 events. 375/858 cut-off events. For 15006/15013 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5282 event pairs, 16 based on Foata normal form. 4/738 useless extension candidates. Maximal degree in co-relation 6844. Up to 253 conditions per place. [2021-03-26 15:02:20,613 INFO L142 LiptonReduction]: Number of co-enabled transitions 1686 [2021-03-26 15:02:20,669 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:02:20,669 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:20,670 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-03-26 15:02:20,670 INFO L480 AbstractCegarLoop]: Abstraction has has 272 places, 366 transitions, 7550 flow [2021-03-26 15:02:20,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:20,670 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:20,670 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:20,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-26 15:02:20,670 INFO L428 AbstractCegarLoop]: === Iteration 55 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:20,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:20,670 INFO L82 PathProgramCache]: Analyzing trace with hash -178383177, now seen corresponding path program 2 times [2021-03-26 15:02:20,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:20,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378223403] [2021-03-26 15:02:20,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:20,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:20,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:20,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:20,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:02:20,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:20,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:20,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:20,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:20,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:20,776 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:20,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:20,791 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:20,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:20,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378223403] [2021-03-26 15:02:20,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:20,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:20,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633043481] [2021-03-26 15:02:20,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:20,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:20,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:20,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:20,795 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 104 [2021-03-26 15:02:20,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 366 transitions, 7550 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:20,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:20,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 104 [2021-03-26 15:02:20,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:21,240 INFO L129 PetriNetUnfolder]: 452/994 cut-off events. [2021-03-26 15:02:21,240 INFO L130 PetriNetUnfolder]: For 17358/17364 co-relation queries the response was YES. [2021-03-26 15:02:21,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8545 conditions, 994 events. 452/994 cut-off events. For 17358/17364 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6116 event pairs, 16 based on Foata normal form. 7/869 useless extension candidates. Maximal degree in co-relation 8377. Up to 515 conditions per place. [2021-03-26 15:02:21,250 INFO L132 encePairwiseOnDemand]: 85/104 looper letters, 281 selfloop transitions, 95 changer transitions 0/394 dead transitions. [2021-03-26 15:02:21,250 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 394 transitions, 8899 flow [2021-03-26 15:02:21,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:02:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:02:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 662 transitions. [2021-03-26 15:02:21,251 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.530448717948718 [2021-03-26 15:02:21,251 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 662 transitions. [2021-03-26 15:02:21,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 662 transitions. [2021-03-26 15:02:21,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:21,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 662 transitions. [2021-03-26 15:02:21,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.166666666666664) internal successors, (662), 12 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:21,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:21,253 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 104.0) internal successors, (1352), 13 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:21,253 INFO L185 Difference]: Start difference. First operand has 272 places, 366 transitions, 7550 flow. Second operand 12 states and 662 transitions. [2021-03-26 15:02:21,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 394 transitions, 8899 flow [2021-03-26 15:02:21,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 394 transitions, 8637 flow, removed 48 selfloop flow, removed 8 redundant places. [2021-03-26 15:02:21,347 INFO L241 Difference]: Finished difference. Result has 277 places, 380 transitions, 7984 flow [2021-03-26 15:02:21,347 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=7288, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7984, PETRI_PLACES=277, PETRI_TRANSITIONS=380} [2021-03-26 15:02:21,347 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 224 predicate places. [2021-03-26 15:02:21,347 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:21,347 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 277 places, 380 transitions, 7984 flow [2021-03-26 15:02:21,348 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 277 places, 380 transitions, 7984 flow [2021-03-26 15:02:21,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 277 places, 380 transitions, 7984 flow [2021-03-26 15:02:21,452 INFO L129 PetriNetUnfolder]: 383/878 cut-off events. [2021-03-26 15:02:21,452 INFO L130 PetriNetUnfolder]: For 16659/16671 co-relation queries the response was YES. [2021-03-26 15:02:21,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7411 conditions, 878 events. 383/878 cut-off events. For 16659/16671 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5491 event pairs, 14 based on Foata normal form. 3/760 useless extension candidates. Maximal degree in co-relation 7246. Up to 261 conditions per place. [2021-03-26 15:02:21,463 INFO L142 LiptonReduction]: Number of co-enabled transitions 1786 [2021-03-26 15:02:21,518 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:02:21,518 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:21,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 171 [2021-03-26 15:02:21,518 INFO L480 AbstractCegarLoop]: Abstraction has has 277 places, 380 transitions, 8011 flow [2021-03-26 15:02:21,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:21,519 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:21,519 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:21,519 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-26 15:02:21,519 INFO L428 AbstractCegarLoop]: === Iteration 56 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:21,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:21,519 INFO L82 PathProgramCache]: Analyzing trace with hash 839836619, now seen corresponding path program 3 times [2021-03-26 15:02:21,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:21,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393749792] [2021-03-26 15:02:21,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:21,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:21,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:21,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:21,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:21,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:21,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:21,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:02:21,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:21,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:21,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:21,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:21,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:21,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:21,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:21,625 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:21,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:21,631 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:21,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:21,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393749792] [2021-03-26 15:02:21,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:21,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:21,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201344405] [2021-03-26 15:02:21,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:21,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:21,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:21,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:21,635 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 105 [2021-03-26 15:02:21,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 380 transitions, 8011 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:21,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:21,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 105 [2021-03-26 15:02:21,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:22,055 INFO L129 PetriNetUnfolder]: 456/1010 cut-off events. [2021-03-26 15:02:22,055 INFO L130 PetriNetUnfolder]: For 18259/18271 co-relation queries the response was YES. [2021-03-26 15:02:22,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8755 conditions, 1010 events. 456/1010 cut-off events. For 18259/18271 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6290 event pairs, 15 based on Foata normal form. 13/887 useless extension candidates. Maximal degree in co-relation 8582. Up to 568 conditions per place. [2021-03-26 15:02:22,065 INFO L132 encePairwiseOnDemand]: 86/105 looper letters, 302 selfloop transitions, 71 changer transitions 0/391 dead transitions. [2021-03-26 15:02:22,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 391 transitions, 8891 flow [2021-03-26 15:02:22,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:22,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 697 transitions. [2021-03-26 15:02:22,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5106227106227106 [2021-03-26 15:02:22,066 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 697 transitions. [2021-03-26 15:02:22,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 697 transitions. [2021-03-26 15:02:22,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:22,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 697 transitions. [2021-03-26 15:02:22,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.61538461538461) internal successors, (697), 13 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:22,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:22,068 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 105.0) internal successors, (1470), 14 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:22,068 INFO L185 Difference]: Start difference. First operand has 277 places, 380 transitions, 8011 flow. Second operand 13 states and 697 transitions. [2021-03-26 15:02:22,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 391 transitions, 8891 flow [2021-03-26 15:02:22,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 391 transitions, 8418 flow, removed 192 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:22,169 INFO L241 Difference]: Finished difference. Result has 287 places, 384 transitions, 7797 flow [2021-03-26 15:02:22,169 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=7538, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7797, PETRI_PLACES=287, PETRI_TRANSITIONS=384} [2021-03-26 15:02:22,170 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 234 predicate places. [2021-03-26 15:02:22,170 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:22,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 287 places, 384 transitions, 7797 flow [2021-03-26 15:02:22,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 287 places, 384 transitions, 7797 flow [2021-03-26 15:02:22,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 287 places, 384 transitions, 7797 flow [2021-03-26 15:02:22,253 INFO L129 PetriNetUnfolder]: 386/887 cut-off events. [2021-03-26 15:02:22,253 INFO L130 PetriNetUnfolder]: For 14795/14812 co-relation queries the response was YES. [2021-03-26 15:02:22,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7162 conditions, 887 events. 386/887 cut-off events. For 14795/14812 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 5643 event pairs, 19 based on Foata normal form. 2/760 useless extension candidates. Maximal degree in co-relation 7035. Up to 242 conditions per place. [2021-03-26 15:02:22,265 INFO L142 LiptonReduction]: Number of co-enabled transitions 1820 [2021-03-26 15:02:22,282 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:22,282 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:22,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-26 15:02:22,283 INFO L480 AbstractCegarLoop]: Abstraction has has 287 places, 384 transitions, 7797 flow [2021-03-26 15:02:22,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:22,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:22,283 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:22,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-26 15:02:22,283 INFO L428 AbstractCegarLoop]: === Iteration 57 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:22,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:22,283 INFO L82 PathProgramCache]: Analyzing trace with hash -649423227, now seen corresponding path program 4 times [2021-03-26 15:02:22,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:22,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483973055] [2021-03-26 15:02:22,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:22,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:22,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:22,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:22,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:22,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:22,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:22,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:22,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:02:22,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:22,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:22,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:22,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:22,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:22,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:22,364 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:22,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:22,371 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:22,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:22,385 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:22,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:22,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483973055] [2021-03-26 15:02:22,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:22,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:22,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488239772] [2021-03-26 15:02:22,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:22,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:22,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:22,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:22,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 105 [2021-03-26 15:02:22,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 384 transitions, 7797 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:22,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:22,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 105 [2021-03-26 15:02:22,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:22,818 INFO L129 PetriNetUnfolder]: 484/1071 cut-off events. [2021-03-26 15:02:22,818 INFO L130 PetriNetUnfolder]: For 16933/16943 co-relation queries the response was YES. [2021-03-26 15:02:22,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8673 conditions, 1071 events. 484/1071 cut-off events. For 16933/16943 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6723 event pairs, 23 based on Foata normal form. 11/932 useless extension candidates. Maximal degree in co-relation 8535. Up to 580 conditions per place. [2021-03-26 15:02:22,829 INFO L132 encePairwiseOnDemand]: 85/105 looper letters, 309 selfloop transitions, 81 changer transitions 0/408 dead transitions. [2021-03-26 15:02:22,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 408 transitions, 8795 flow [2021-03-26 15:02:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:02:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:02:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 609 transitions. [2021-03-26 15:02:22,830 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5272727272727272 [2021-03-26 15:02:22,830 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 609 transitions. [2021-03-26 15:02:22,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 609 transitions. [2021-03-26 15:02:22,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:22,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 609 transitions. [2021-03-26 15:02:22,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.36363636363637) internal successors, (609), 11 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:22,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:22,832 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 105.0) internal successors, (1260), 12 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:22,832 INFO L185 Difference]: Start difference. First operand has 287 places, 384 transitions, 7797 flow. Second operand 11 states and 609 transitions. [2021-03-26 15:02:22,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 408 transitions, 8795 flow [2021-03-26 15:02:22,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 408 transitions, 8590 flow, removed 45 selfloop flow, removed 8 redundant places. [2021-03-26 15:02:22,960 INFO L241 Difference]: Finished difference. Result has 292 places, 398 transitions, 7987 flow [2021-03-26 15:02:22,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=7592, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7987, PETRI_PLACES=292, PETRI_TRANSITIONS=398} [2021-03-26 15:02:22,961 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 239 predicate places. [2021-03-26 15:02:22,961 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:22,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 398 transitions, 7987 flow [2021-03-26 15:02:22,961 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 398 transitions, 7987 flow [2021-03-26 15:02:22,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 398 transitions, 7987 flow [2021-03-26 15:02:23,055 INFO L129 PetriNetUnfolder]: 397/917 cut-off events. [2021-03-26 15:02:23,056 INFO L130 PetriNetUnfolder]: For 16912/16972 co-relation queries the response was YES. [2021-03-26 15:02:23,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7263 conditions, 917 events. 397/917 cut-off events. For 16912/16972 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5857 event pairs, 19 based on Foata normal form. 7/791 useless extension candidates. Maximal degree in co-relation 7120. Up to 240 conditions per place. [2021-03-26 15:02:23,068 INFO L142 LiptonReduction]: Number of co-enabled transitions 1918 [2021-03-26 15:02:23,088 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:23,088 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:23,089 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-03-26 15:02:23,089 INFO L480 AbstractCegarLoop]: Abstraction has has 292 places, 398 transitions, 7987 flow [2021-03-26 15:02:23,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:23,089 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:23,089 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:23,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-26 15:02:23,089 INFO L428 AbstractCegarLoop]: === Iteration 58 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:23,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:23,090 INFO L82 PathProgramCache]: Analyzing trace with hash -920016534, now seen corresponding path program 1 times [2021-03-26 15:02:23,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:23,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641862904] [2021-03-26 15:02:23,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:23,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:23,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:23,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:23,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:23,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:23,151 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:23,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:23,162 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:23,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:23,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641862904] [2021-03-26 15:02:23,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:23,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:02:23,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827555172] [2021-03-26 15:02:23,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:02:23,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:23,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:02:23,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:02:23,166 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 105 [2021-03-26 15:02:23,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 398 transitions, 7987 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:23,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:23,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 105 [2021-03-26 15:02:23,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:23,528 INFO L129 PetriNetUnfolder]: 516/1133 cut-off events. [2021-03-26 15:02:23,528 INFO L130 PetriNetUnfolder]: For 22149/22153 co-relation queries the response was YES. [2021-03-26 15:02:23,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9706 conditions, 1133 events. 516/1133 cut-off events. For 22149/22153 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7169 event pairs, 2 based on Foata normal form. 5/987 useless extension candidates. Maximal degree in co-relation 9574. Up to 567 conditions per place. [2021-03-26 15:02:23,539 INFO L132 encePairwiseOnDemand]: 88/105 looper letters, 277 selfloop transitions, 127 changer transitions 18/440 dead transitions. [2021-03-26 15:02:23,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 440 transitions, 9925 flow [2021-03-26 15:02:23,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:02:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:02:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 515 transitions. [2021-03-26 15:02:23,540 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.544973544973545 [2021-03-26 15:02:23,541 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 515 transitions. [2021-03-26 15:02:23,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 515 transitions. [2021-03-26 15:02:23,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:23,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 515 transitions. [2021-03-26 15:02:23,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 57.22222222222222) internal successors, (515), 9 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:23,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 105.0) internal successors, (1050), 10 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:23,542 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 105.0) internal successors, (1050), 10 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:23,542 INFO L185 Difference]: Start difference. First operand has 292 places, 398 transitions, 7987 flow. Second operand 9 states and 515 transitions. [2021-03-26 15:02:23,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 440 transitions, 9925 flow [2021-03-26 15:02:23,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 440 transitions, 9822 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:23,640 INFO L241 Difference]: Finished difference. Result has 296 places, 409 transitions, 8621 flow [2021-03-26 15:02:23,641 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=105, PETRI_DIFFERENCE_MINUEND_FLOW=7884, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=8621, PETRI_PLACES=296, PETRI_TRANSITIONS=409} [2021-03-26 15:02:23,641 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 243 predicate places. [2021-03-26 15:02:23,641 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:23,641 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 409 transitions, 8621 flow [2021-03-26 15:02:23,641 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 409 transitions, 8621 flow [2021-03-26 15:02:23,644 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 296 places, 409 transitions, 8621 flow [2021-03-26 15:02:23,734 INFO L129 PetriNetUnfolder]: 419/927 cut-off events. [2021-03-26 15:02:23,735 INFO L130 PetriNetUnfolder]: For 23884/23930 co-relation queries the response was YES. [2021-03-26 15:02:23,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8244 conditions, 927 events. 419/927 cut-off events. For 23884/23930 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5684 event pairs, 16 based on Foata normal form. 4/810 useless extension candidates. Maximal degree in co-relation 8106. Up to 265 conditions per place. [2021-03-26 15:02:23,747 INFO L142 LiptonReduction]: Number of co-enabled transitions 1796 [2021-03-26 15:02:23,824 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 15:02:23,825 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:23,825 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 184 [2021-03-26 15:02:23,825 INFO L480 AbstractCegarLoop]: Abstraction has has 296 places, 409 transitions, 8620 flow [2021-03-26 15:02:23,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:23,825 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:23,825 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, 1, 1, 1] [2021-03-26 15:02:23,825 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-26 15:02:23,825 INFO L428 AbstractCegarLoop]: === Iteration 59 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:23,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:23,826 INFO L82 PathProgramCache]: Analyzing trace with hash 458723159, now seen corresponding path program 5 times [2021-03-26 15:02:23,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:23,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909557624] [2021-03-26 15:02:23,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:23,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:23,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:23,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:23,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:02:23,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:23,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:23,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:23,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:23,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:23,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:23,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:23,946 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:23,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:23,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909557624] [2021-03-26 15:02:23,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:23,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:23,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843606639] [2021-03-26 15:02:23,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:23,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:23,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:23,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:23,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:23,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 409 transitions, 8620 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:23,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:23,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:23,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:24,448 INFO L129 PetriNetUnfolder]: 504/1087 cut-off events. [2021-03-26 15:02:24,448 INFO L130 PetriNetUnfolder]: For 22433/22437 co-relation queries the response was YES. [2021-03-26 15:02:24,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9737 conditions, 1087 events. 504/1087 cut-off events. For 22433/22437 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6675 event pairs, 14 based on Foata normal form. 5/950 useless extension candidates. Maximal degree in co-relation 9602. Up to 610 conditions per place. [2021-03-26 15:02:24,459 INFO L132 encePairwiseOnDemand]: 88/106 looper letters, 321 selfloop transitions, 87 changer transitions 0/426 dead transitions. [2021-03-26 15:02:24,459 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 426 transitions, 9684 flow [2021-03-26 15:02:24,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 15:02:24,460 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5094339622641509 [2021-03-26 15:02:24,460 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 15:02:24,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 15:02:24,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:24,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 15:02:24,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:24,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:24,462 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:24,462 INFO L185 Difference]: Start difference. First operand has 296 places, 409 transitions, 8620 flow. Second operand 14 states and 756 transitions. [2021-03-26 15:02:24,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 426 transitions, 9684 flow [2021-03-26 15:02:24,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 426 transitions, 9230 flow, removed 139 selfloop flow, removed 12 redundant places. [2021-03-26 15:02:24,562 INFO L241 Difference]: Finished difference. Result has 302 places, 415 transitions, 8522 flow [2021-03-26 15:02:24,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=8168, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8522, PETRI_PLACES=302, PETRI_TRANSITIONS=415} [2021-03-26 15:02:24,562 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 249 predicate places. [2021-03-26 15:02:24,562 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:24,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 415 transitions, 8522 flow [2021-03-26 15:02:24,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 415 transitions, 8522 flow [2021-03-26 15:02:24,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 415 transitions, 8522 flow [2021-03-26 15:02:24,656 INFO L129 PetriNetUnfolder]: 421/941 cut-off events. [2021-03-26 15:02:24,656 INFO L130 PetriNetUnfolder]: For 20925/20970 co-relation queries the response was YES. [2021-03-26 15:02:24,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8110 conditions, 941 events. 421/941 cut-off events. For 20925/20970 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5872 event pairs, 18 based on Foata normal form. 4/821 useless extension candidates. Maximal degree in co-relation 7970. Up to 260 conditions per place. [2021-03-26 15:02:24,668 INFO L142 LiptonReduction]: Number of co-enabled transitions 1858 [2021-03-26 15:02:24,689 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:24,689 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:24,689 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-03-26 15:02:24,689 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 415 transitions, 8522 flow [2021-03-26 15:02:24,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:24,689 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:24,689 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:24,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-26 15:02:24,689 INFO L428 AbstractCegarLoop]: === Iteration 60 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:24,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:24,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1452411313, now seen corresponding path program 6 times [2021-03-26 15:02:24,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:24,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846909189] [2021-03-26 15:02:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:24,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:24,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:24,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:24,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:24,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:24,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:24,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:24,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:02:24,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:24,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:24,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:24,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:24,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:24,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:24,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:24,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:24,783 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:24,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:24,799 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:24,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:24,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846909189] [2021-03-26 15:02:24,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:24,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:24,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608284267] [2021-03-26 15:02:24,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:24,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:24,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:24,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:24,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:24,804 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 415 transitions, 8522 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:24,804 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:24,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:24,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:25,366 INFO L129 PetriNetUnfolder]: 509/1119 cut-off events. [2021-03-26 15:02:25,366 INFO L130 PetriNetUnfolder]: For 22022/22028 co-relation queries the response was YES. [2021-03-26 15:02:25,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9589 conditions, 1119 events. 509/1119 cut-off events. For 22022/22028 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7045 event pairs, 14 based on Foata normal form. 7/975 useless extension candidates. Maximal degree in co-relation 9429. Up to 609 conditions per place. [2021-03-26 15:02:25,378 INFO L132 encePairwiseOnDemand]: 87/106 looper letters, 319 selfloop transitions, 88 changer transitions 2/427 dead transitions. [2021-03-26 15:02:25,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 427 transitions, 9426 flow [2021-03-26 15:02:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 15:02:25,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5094339622641509 [2021-03-26 15:02:25,379 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 15:02:25,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 15:02:25,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:25,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 15:02:25,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:25,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:25,381 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:25,381 INFO L185 Difference]: Start difference. First operand has 302 places, 415 transitions, 8522 flow. Second operand 14 states and 756 transitions. [2021-03-26 15:02:25,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 427 transitions, 9426 flow [2021-03-26 15:02:25,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 427 transitions, 9186 flow, removed 43 selfloop flow, removed 8 redundant places. [2021-03-26 15:02:25,489 INFO L241 Difference]: Finished difference. Result has 310 places, 416 transitions, 8494 flow [2021-03-26 15:02:25,490 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=8282, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=8494, PETRI_PLACES=310, PETRI_TRANSITIONS=416} [2021-03-26 15:02:25,490 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 257 predicate places. [2021-03-26 15:02:25,490 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:25,490 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 310 places, 416 transitions, 8494 flow [2021-03-26 15:02:25,490 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 310 places, 416 transitions, 8494 flow [2021-03-26 15:02:25,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 310 places, 416 transitions, 8494 flow [2021-03-26 15:02:25,587 INFO L129 PetriNetUnfolder]: 426/966 cut-off events. [2021-03-26 15:02:25,587 INFO L130 PetriNetUnfolder]: For 21365/21414 co-relation queries the response was YES. [2021-03-26 15:02:25,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8137 conditions, 966 events. 426/966 cut-off events. For 21365/21414 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6126 event pairs, 16 based on Foata normal form. 4/838 useless extension candidates. Maximal degree in co-relation 7994. Up to 259 conditions per place. [2021-03-26 15:02:25,624 INFO L142 LiptonReduction]: Number of co-enabled transitions 1872 [2021-03-26 15:02:25,644 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:25,644 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:25,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 154 [2021-03-26 15:02:25,645 INFO L480 AbstractCegarLoop]: Abstraction has has 310 places, 416 transitions, 8494 flow [2021-03-26 15:02:25,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:25,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:25,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:25,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-26 15:02:25,645 INFO L428 AbstractCegarLoop]: === Iteration 61 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:25,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:25,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1339007631, now seen corresponding path program 7 times [2021-03-26 15:02:25,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:25,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797986870] [2021-03-26 15:02:25,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:25,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:25,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:25,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:25,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:25,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:25,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:25,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:25,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:02:25,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:25,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:25,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:25,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:25,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:25,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:25,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:25,732 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:25,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:25,746 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:25,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:25,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797986870] [2021-03-26 15:02:25,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:25,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:25,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493998583] [2021-03-26 15:02:25,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:25,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:25,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:25,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:25,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:25,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 416 transitions, 8494 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:25,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:25,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:25,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:26,224 INFO L129 PetriNetUnfolder]: 509/1120 cut-off events. [2021-03-26 15:02:26,224 INFO L130 PetriNetUnfolder]: For 22118/22124 co-relation queries the response was YES. [2021-03-26 15:02:26,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9580 conditions, 1120 events. 509/1120 cut-off events. For 22118/22124 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7057 event pairs, 17 based on Foata normal form. 7/975 useless extension candidates. Maximal degree in co-relation 9423. Up to 609 conditions per place. [2021-03-26 15:02:26,237 INFO L132 encePairwiseOnDemand]: 87/106 looper letters, 306 selfloop transitions, 70 changer transitions 31/425 dead transitions. [2021-03-26 15:02:26,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 425 transitions, 9373 flow [2021-03-26 15:02:26,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:26,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:26,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 15:02:26,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5101596516690856 [2021-03-26 15:02:26,238 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 15:02:26,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 15:02:26,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:26,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 15:02:26,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:26,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 106.0) internal successors, (1484), 14 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:26,240 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 106.0) internal successors, (1484), 14 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:26,240 INFO L185 Difference]: Start difference. First operand has 310 places, 416 transitions, 8494 flow. Second operand 13 states and 703 transitions. [2021-03-26 15:02:26,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 425 transitions, 9373 flow [2021-03-26 15:02:26,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 425 transitions, 9221 flow, removed 7 selfloop flow, removed 11 redundant places. [2021-03-26 15:02:26,357 INFO L241 Difference]: Finished difference. Result has 312 places, 386 transitions, 7999 flow [2021-03-26 15:02:26,358 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=8342, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7999, PETRI_PLACES=312, PETRI_TRANSITIONS=386} [2021-03-26 15:02:26,358 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 259 predicate places. [2021-03-26 15:02:26,358 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:26,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 386 transitions, 7999 flow [2021-03-26 15:02:26,358 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 386 transitions, 7999 flow [2021-03-26 15:02:26,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 386 transitions, 7999 flow [2021-03-26 15:02:26,446 INFO L129 PetriNetUnfolder]: 390/833 cut-off events. [2021-03-26 15:02:26,446 INFO L130 PetriNetUnfolder]: For 20057/20092 co-relation queries the response was YES. [2021-03-26 15:02:26,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7731 conditions, 833 events. 390/833 cut-off events. For 20057/20092 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 4820 event pairs, 21 based on Foata normal form. 5/738 useless extension candidates. Maximal degree in co-relation 7621. Up to 255 conditions per place. [2021-03-26 15:02:26,458 INFO L142 LiptonReduction]: Number of co-enabled transitions 1622 [2021-03-26 15:02:26,477 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:26,477 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:26,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 119 [2021-03-26 15:02:26,477 INFO L480 AbstractCegarLoop]: Abstraction has has 292 places, 386 transitions, 7999 flow [2021-03-26 15:02:26,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:26,477 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:26,477 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:26,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-26 15:02:26,478 INFO L428 AbstractCegarLoop]: === Iteration 62 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:26,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:26,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1657918692, now seen corresponding path program 3 times [2021-03-26 15:02:26,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:26,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896985654] [2021-03-26 15:02:26,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:26,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:26,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:26,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:26,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:26,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:26,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:26,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:26,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:26,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:26,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:26,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:26,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:26,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:26,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:26,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:26,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:26,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:26,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:26,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:26,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:26,604 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:26,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:26,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896985654] [2021-03-26 15:02:26,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:26,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:26,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772581615] [2021-03-26 15:02:26,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:26,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:26,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:26,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:26,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:26,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 386 transitions, 7999 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:26,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:26,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:26,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:27,082 INFO L129 PetriNetUnfolder]: 512/1054 cut-off events. [2021-03-26 15:02:27,082 INFO L130 PetriNetUnfolder]: For 25476/25486 co-relation queries the response was YES. [2021-03-26 15:02:27,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10083 conditions, 1054 events. 512/1054 cut-off events. For 25476/25486 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6175 event pairs, 15 based on Foata normal form. 11/937 useless extension candidates. Maximal degree in co-relation 9971. Up to 582 conditions per place. [2021-03-26 15:02:27,119 INFO L132 encePairwiseOnDemand]: 90/106 looper letters, 268 selfloop transitions, 134 changer transitions 15/435 dead transitions. [2021-03-26 15:02:27,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 435 transitions, 10129 flow [2021-03-26 15:02:27,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:02:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:02:27,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 660 transitions. [2021-03-26 15:02:27,120 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5188679245283019 [2021-03-26 15:02:27,120 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 660 transitions. [2021-03-26 15:02:27,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 660 transitions. [2021-03-26 15:02:27,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:27,120 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 660 transitions. [2021-03-26 15:02:27,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.0) internal successors, (660), 12 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:27,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 106.0) internal successors, (1378), 13 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:27,122 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 106.0) internal successors, (1378), 13 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:27,122 INFO L185 Difference]: Start difference. First operand has 292 places, 386 transitions, 7999 flow. Second operand 12 states and 660 transitions. [2021-03-26 15:02:27,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 435 transitions, 10129 flow [2021-03-26 15:02:27,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 435 transitions, 9837 flow, removed 31 selfloop flow, removed 23 redundant places. [2021-03-26 15:02:27,222 INFO L241 Difference]: Finished difference. Result has 284 places, 407 transitions, 9042 flow [2021-03-26 15:02:27,222 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=7735, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9042, PETRI_PLACES=284, PETRI_TRANSITIONS=407} [2021-03-26 15:02:27,222 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 231 predicate places. [2021-03-26 15:02:27,222 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:27,222 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 284 places, 407 transitions, 9042 flow [2021-03-26 15:02:27,223 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 284 places, 407 transitions, 9042 flow [2021-03-26 15:02:27,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 281 places, 407 transitions, 9042 flow [2021-03-26 15:02:27,324 INFO L129 PetriNetUnfolder]: 436/938 cut-off events. [2021-03-26 15:02:27,325 INFO L130 PetriNetUnfolder]: For 22899/22945 co-relation queries the response was YES. [2021-03-26 15:02:27,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8988 conditions, 938 events. 436/938 cut-off events. For 22899/22945 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5513 event pairs, 6 based on Foata normal form. 4/827 useless extension candidates. Maximal degree in co-relation 8854. Up to 302 conditions per place. [2021-03-26 15:02:27,339 INFO L142 LiptonReduction]: Number of co-enabled transitions 1600 [2021-03-26 15:02:27,358 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:27,359 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:27,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 137 [2021-03-26 15:02:27,359 INFO L480 AbstractCegarLoop]: Abstraction has has 281 places, 407 transitions, 9042 flow [2021-03-26 15:02:27,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:27,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:27,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:27,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-26 15:02:27,359 INFO L428 AbstractCegarLoop]: === Iteration 63 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:27,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:27,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1669526362, now seen corresponding path program 4 times [2021-03-26 15:02:27,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:27,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242429221] [2021-03-26 15:02:27,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:27,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:27,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:27,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:27,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:27,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:27,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:27,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:27,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:27,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:27,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:27,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:27,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:27,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:27,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:27,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:27,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:27,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:27,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:27,444 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:27,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:27,448 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:27,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:27,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:27,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242429221] [2021-03-26 15:02:27,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:27,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:27,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417105483] [2021-03-26 15:02:27,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:27,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:27,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:27,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:27,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:27,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 407 transitions, 9042 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:27,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:27,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:27,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:27,831 INFO L129 PetriNetUnfolder]: 503/1037 cut-off events. [2021-03-26 15:02:27,831 INFO L130 PetriNetUnfolder]: For 25688/25692 co-relation queries the response was YES. [2021-03-26 15:02:27,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10185 conditions, 1037 events. 503/1037 cut-off events. For 25688/25692 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6045 event pairs, 15 based on Foata normal form. 5/916 useless extension candidates. Maximal degree in co-relation 10021. Up to 649 conditions per place. [2021-03-26 15:02:27,844 INFO L132 encePairwiseOnDemand]: 90/106 looper letters, 341 selfloop transitions, 59 changer transitions 0/418 dead transitions. [2021-03-26 15:02:27,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 418 transitions, 10073 flow [2021-03-26 15:02:27,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:02:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:02:27,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 543 transitions. [2021-03-26 15:02:27,845 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5122641509433963 [2021-03-26 15:02:27,845 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 543 transitions. [2021-03-26 15:02:27,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 543 transitions. [2021-03-26 15:02:27,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:27,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 543 transitions. [2021-03-26 15:02:27,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.3) internal successors, (543), 10 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:27,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 106.0) internal successors, (1166), 11 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:27,847 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 106.0) internal successors, (1166), 11 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:27,847 INFO L185 Difference]: Start difference. First operand has 281 places, 407 transitions, 9042 flow. Second operand 10 states and 543 transitions. [2021-03-26 15:02:27,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 418 transitions, 10073 flow [2021-03-26 15:02:27,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 418 transitions, 9655 flow, removed 135 selfloop flow, removed 7 redundant places. [2021-03-26 15:02:27,973 INFO L241 Difference]: Finished difference. Result has 286 places, 411 transitions, 8972 flow [2021-03-26 15:02:27,973 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=8624, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=8972, PETRI_PLACES=286, PETRI_TRANSITIONS=411} [2021-03-26 15:02:27,973 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 233 predicate places. [2021-03-26 15:02:27,973 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:27,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 286 places, 411 transitions, 8972 flow [2021-03-26 15:02:27,974 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 286 places, 411 transitions, 8972 flow [2021-03-26 15:02:27,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 286 places, 411 transitions, 8972 flow [2021-03-26 15:02:28,080 INFO L129 PetriNetUnfolder]: 431/918 cut-off events. [2021-03-26 15:02:28,081 INFO L130 PetriNetUnfolder]: For 22810/22865 co-relation queries the response was YES. [2021-03-26 15:02:28,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8591 conditions, 918 events. 431/918 cut-off events. For 22810/22865 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5447 event pairs, 19 based on Foata normal form. 5/801 useless extension candidates. Maximal degree in co-relation 8428. Up to 291 conditions per place. [2021-03-26 15:02:28,097 INFO L142 LiptonReduction]: Number of co-enabled transitions 1652 [2021-03-26 15:02:28,118 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:28,118 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:28,118 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-03-26 15:02:28,118 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 411 transitions, 8972 flow [2021-03-26 15:02:28,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:28,119 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:28,119 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:28,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-26 15:02:28,119 INFO L428 AbstractCegarLoop]: === Iteration 64 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:28,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:28,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1909554936, now seen corresponding path program 5 times [2021-03-26 15:02:28,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:28,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461137610] [2021-03-26 15:02:28,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:28,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:28,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:28,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:28,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:28,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:28,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:28,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:28,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:28,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:28,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:28,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:28,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:28,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:28,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:28,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:28,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:28,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:28,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:28,214 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:28,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:28,218 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:28,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:28,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:28,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461137610] [2021-03-26 15:02:28,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:28,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:28,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201996401] [2021-03-26 15:02:28,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:28,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:28,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:28,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:28,223 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:28,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 411 transitions, 8972 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:28,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:28,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:28,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:28,717 INFO L129 PetriNetUnfolder]: 514/1078 cut-off events. [2021-03-26 15:02:28,717 INFO L130 PetriNetUnfolder]: For 25876/25880 co-relation queries the response was YES. [2021-03-26 15:02:28,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10265 conditions, 1078 events. 514/1078 cut-off events. For 25876/25880 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6433 event pairs, 15 based on Foata normal form. 5/947 useless extension candidates. Maximal degree in co-relation 10093. Up to 636 conditions per place. [2021-03-26 15:02:28,731 INFO L132 encePairwiseOnDemand]: 88/106 looper letters, 324 selfloop transitions, 90 changer transitions 0/432 dead transitions. [2021-03-26 15:02:28,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 432 transitions, 10304 flow [2021-03-26 15:02:28,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:02:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:02:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 653 transitions. [2021-03-26 15:02:28,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5133647798742138 [2021-03-26 15:02:28,733 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 653 transitions. [2021-03-26 15:02:28,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 653 transitions. [2021-03-26 15:02:28,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:28,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 653 transitions. [2021-03-26 15:02:28,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.416666666666664) internal successors, (653), 12 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:28,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 106.0) internal successors, (1378), 13 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:28,735 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 106.0) internal successors, (1378), 13 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:28,735 INFO L185 Difference]: Start difference. First operand has 286 places, 411 transitions, 8972 flow. Second operand 12 states and 653 transitions. [2021-03-26 15:02:28,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 432 transitions, 10304 flow [2021-03-26 15:02:28,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 432 transitions, 10205 flow, removed 27 selfloop flow, removed 5 redundant places. [2021-03-26 15:02:28,852 INFO L241 Difference]: Finished difference. Result has 296 places, 423 transitions, 9601 flow [2021-03-26 15:02:28,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=8873, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=9601, PETRI_PLACES=296, PETRI_TRANSITIONS=423} [2021-03-26 15:02:28,853 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 243 predicate places. [2021-03-26 15:02:28,853 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:28,853 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 423 transitions, 9601 flow [2021-03-26 15:02:28,853 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 423 transitions, 9601 flow [2021-03-26 15:02:28,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 296 places, 423 transitions, 9601 flow [2021-03-26 15:02:28,981 INFO L129 PetriNetUnfolder]: 453/976 cut-off events. [2021-03-26 15:02:28,981 INFO L130 PetriNetUnfolder]: For 24737/24743 co-relation queries the response was YES. [2021-03-26 15:02:28,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9178 conditions, 976 events. 453/976 cut-off events. For 24737/24743 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5914 event pairs, 23 based on Foata normal form. 2/847 useless extension candidates. Maximal degree in co-relation 9004. Up to 304 conditions per place. [2021-03-26 15:02:29,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 1768 [2021-03-26 15:02:29,022 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:29,022 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:29,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-26 15:02:29,022 INFO L480 AbstractCegarLoop]: Abstraction has has 296 places, 423 transitions, 9601 flow [2021-03-26 15:02:29,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:29,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:29,022 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:29,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-26 15:02:29,023 INFO L428 AbstractCegarLoop]: === Iteration 65 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:29,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:29,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1523805608, now seen corresponding path program 6 times [2021-03-26 15:02:29,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:29,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268138578] [2021-03-26 15:02:29,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:29,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:29,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:29,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:29,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:29,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:29,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:29,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:29,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:29,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:29,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:29,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:29,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:29,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:29,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:29,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:29,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:29,102 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:29,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:29,115 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:29,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:29,129 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:29,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:29,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268138578] [2021-03-26 15:02:29,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:29,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:29,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709792334] [2021-03-26 15:02:29,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:29,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:29,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:29,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:29,134 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:29,134 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 423 transitions, 9601 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:29,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:29,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:29,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:29,686 INFO L129 PetriNetUnfolder]: 536/1128 cut-off events. [2021-03-26 15:02:29,686 INFO L130 PetriNetUnfolder]: For 29004/29014 co-relation queries the response was YES. [2021-03-26 15:02:29,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11057 conditions, 1128 events. 536/1128 cut-off events. For 29004/29014 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 6810 event pairs, 17 based on Foata normal form. 11/993 useless extension candidates. Maximal degree in co-relation 10876. Up to 557 conditions per place. [2021-03-26 15:02:29,700 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 237 selfloop transitions, 204 changer transitions 2/461 dead transitions. [2021-03-26 15:02:29,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 461 transitions, 11717 flow [2021-03-26 15:02:29,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:02:29,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:02:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 879 transitions. [2021-03-26 15:02:29,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5182783018867925 [2021-03-26 15:02:29,701 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 879 transitions. [2021-03-26 15:02:29,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 879 transitions. [2021-03-26 15:02:29,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:29,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 879 transitions. [2021-03-26 15:02:29,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.9375) internal successors, (879), 16 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:29,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:29,703 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:29,703 INFO L185 Difference]: Start difference. First operand has 296 places, 423 transitions, 9601 flow. Second operand 16 states and 879 transitions. [2021-03-26 15:02:29,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 461 transitions, 11717 flow [2021-03-26 15:02:29,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 461 transitions, 11492 flow, removed 63 selfloop flow, removed 7 redundant places. [2021-03-26 15:02:29,832 INFO L241 Difference]: Finished difference. Result has 309 places, 447 transitions, 11015 flow [2021-03-26 15:02:29,832 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=9386, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=11015, PETRI_PLACES=309, PETRI_TRANSITIONS=447} [2021-03-26 15:02:29,832 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 256 predicate places. [2021-03-26 15:02:29,832 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:29,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 447 transitions, 11015 flow [2021-03-26 15:02:29,832 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 447 transitions, 11015 flow [2021-03-26 15:02:29,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 309 places, 447 transitions, 11015 flow [2021-03-26 15:02:29,956 INFO L129 PetriNetUnfolder]: 473/1031 cut-off events. [2021-03-26 15:02:29,956 INFO L130 PetriNetUnfolder]: For 28754/28801 co-relation queries the response was YES. [2021-03-26 15:02:29,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10088 conditions, 1031 events. 473/1031 cut-off events. For 28754/28801 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 6341 event pairs, 9 based on Foata normal form. 4/896 useless extension candidates. Maximal degree in co-relation 9904. Up to 319 conditions per place. [2021-03-26 15:02:29,973 INFO L142 LiptonReduction]: Number of co-enabled transitions 1852 [2021-03-26 15:02:29,997 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:29,997 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:29,997 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 165 [2021-03-26 15:02:29,997 INFO L480 AbstractCegarLoop]: Abstraction has has 309 places, 447 transitions, 11015 flow [2021-03-26 15:02:29,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:29,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:29,997 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:29,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-26 15:02:29,998 INFO L428 AbstractCegarLoop]: === Iteration 66 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:29,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:29,998 INFO L82 PathProgramCache]: Analyzing trace with hash -201368284, now seen corresponding path program 7 times [2021-03-26 15:02:29,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:29,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782230795] [2021-03-26 15:02:29,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:30,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:30,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:30,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:30,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:30,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:30,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:30,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:30,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:30,094 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:30,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:30,107 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:30,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:30,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:30,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782230795] [2021-03-26 15:02:30,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:30,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:30,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076747438] [2021-03-26 15:02:30,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:30,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:30,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:30,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:30,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:30,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 447 transitions, 11015 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:30,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:30,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:30,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:30,612 INFO L129 PetriNetUnfolder]: 548/1165 cut-off events. [2021-03-26 15:02:30,612 INFO L130 PetriNetUnfolder]: For 32307/32322 co-relation queries the response was YES. [2021-03-26 15:02:30,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11915 conditions, 1165 events. 548/1165 cut-off events. For 32307/32322 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7203 event pairs, 7 based on Foata normal form. 13/1027 useless extension candidates. Maximal degree in co-relation 11725. Up to 598 conditions per place. [2021-03-26 15:02:30,626 INFO L132 encePairwiseOnDemand]: 90/106 looper letters, 296 selfloop transitions, 161 changer transitions 10/485 dead transitions. [2021-03-26 15:02:30,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 485 transitions, 13032 flow [2021-03-26 15:02:30,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:30,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:30,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 760 transitions. [2021-03-26 15:02:30,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5121293800539084 [2021-03-26 15:02:30,627 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 760 transitions. [2021-03-26 15:02:30,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 760 transitions. [2021-03-26 15:02:30,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:30,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 760 transitions. [2021-03-26 15:02:30,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.285714285714285) internal successors, (760), 14 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:30,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:30,629 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:30,629 INFO L185 Difference]: Start difference. First operand has 309 places, 447 transitions, 11015 flow. Second operand 14 states and 760 transitions. [2021-03-26 15:02:30,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 485 transitions, 13032 flow [2021-03-26 15:02:30,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 485 transitions, 12526 flow, removed 221 selfloop flow, removed 5 redundant places. [2021-03-26 15:02:30,774 INFO L241 Difference]: Finished difference. Result has 321 places, 461 transitions, 11516 flow [2021-03-26 15:02:30,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=10509, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11516, PETRI_PLACES=321, PETRI_TRANSITIONS=461} [2021-03-26 15:02:30,774 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 268 predicate places. [2021-03-26 15:02:30,774 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:30,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 461 transitions, 11516 flow [2021-03-26 15:02:30,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 461 transitions, 11516 flow [2021-03-26 15:02:30,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 461 transitions, 11516 flow [2021-03-26 15:02:30,898 INFO L129 PetriNetUnfolder]: 456/987 cut-off events. [2021-03-26 15:02:30,898 INFO L130 PetriNetUnfolder]: For 31529/31563 co-relation queries the response was YES. [2021-03-26 15:02:30,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10225 conditions, 987 events. 456/987 cut-off events. For 31529/31563 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 6012 event pairs, 11 based on Foata normal form. 8/870 useless extension candidates. Maximal degree in co-relation 10061. Up to 323 conditions per place. [2021-03-26 15:02:30,914 INFO L142 LiptonReduction]: Number of co-enabled transitions 1860 [2021-03-26 15:02:30,939 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:30,939 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:30,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 165 [2021-03-26 15:02:30,939 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 461 transitions, 11516 flow [2021-03-26 15:02:30,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:30,939 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:30,939 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:30,939 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-26 15:02:30,940 INFO L428 AbstractCegarLoop]: === Iteration 67 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:30,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:30,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1632385538, now seen corresponding path program 8 times [2021-03-26 15:02:30,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:30,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511017920] [2021-03-26 15:02:30,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:30,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:30,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:30,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:30,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:30,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:30,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:30,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:31,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:31,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:31,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:31,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:31,031 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:31,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:31,046 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:31,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:31,063 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:31,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:31,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511017920] [2021-03-26 15:02:31,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:31,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:31,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139773324] [2021-03-26 15:02:31,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:31,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:31,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:31,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:31,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:31,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 461 transitions, 11516 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:31,067 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:31,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:31,067 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:31,772 INFO L129 PetriNetUnfolder]: 552/1173 cut-off events. [2021-03-26 15:02:31,773 INFO L130 PetriNetUnfolder]: For 34661/34673 co-relation queries the response was YES. [2021-03-26 15:02:31,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12287 conditions, 1173 events. 552/1173 cut-off events. For 34661/34673 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 7274 event pairs, 6 based on Foata normal form. 13/1035 useless extension candidates. Maximal degree in co-relation 12091. Up to 540 conditions per place. [2021-03-26 15:02:31,787 INFO L132 encePairwiseOnDemand]: 88/106 looper letters, 223 selfloop transitions, 232 changer transitions 15/488 dead transitions. [2021-03-26 15:02:31,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 488 transitions, 13228 flow [2021-03-26 15:02:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:02:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:02:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 932 transitions. [2021-03-26 15:02:31,788 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5172031076581576 [2021-03-26 15:02:31,788 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 932 transitions. [2021-03-26 15:02:31,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 932 transitions. [2021-03-26 15:02:31,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:31,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 932 transitions. [2021-03-26 15:02:31,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 54.8235294117647) internal successors, (932), 17 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:31,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 106.0) internal successors, (1908), 18 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:31,790 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 106.0) internal successors, (1908), 18 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:31,790 INFO L185 Difference]: Start difference. First operand has 319 places, 461 transitions, 11516 flow. Second operand 17 states and 932 transitions. [2021-03-26 15:02:31,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 488 transitions, 13228 flow [2021-03-26 15:02:31,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 488 transitions, 12700 flow, removed 174 selfloop flow, removed 9 redundant places. [2021-03-26 15:02:31,953 INFO L241 Difference]: Finished difference. Result has 332 places, 459 transitions, 11710 flow [2021-03-26 15:02:31,953 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=11022, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=227, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=11710, PETRI_PLACES=332, PETRI_TRANSITIONS=459} [2021-03-26 15:02:31,953 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 279 predicate places. [2021-03-26 15:02:31,953 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:31,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 459 transitions, 11710 flow [2021-03-26 15:02:31,953 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 459 transitions, 11710 flow [2021-03-26 15:02:31,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 459 transitions, 11710 flow [2021-03-26 15:02:32,078 INFO L129 PetriNetUnfolder]: 473/1014 cut-off events. [2021-03-26 15:02:32,078 INFO L130 PetriNetUnfolder]: For 35749/35797 co-relation queries the response was YES. [2021-03-26 15:02:32,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10763 conditions, 1014 events. 473/1014 cut-off events. For 35749/35797 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6212 event pairs, 11 based on Foata normal form. 5/888 useless extension candidates. Maximal degree in co-relation 10578. Up to 325 conditions per place. [2021-03-26 15:02:32,120 INFO L142 LiptonReduction]: Number of co-enabled transitions 1840 [2021-03-26 15:02:32,144 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:32,144 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:32,144 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-03-26 15:02:32,144 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 459 transitions, 11710 flow [2021-03-26 15:02:32,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:32,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:32,145 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, 1, 1, 1, 1] [2021-03-26 15:02:32,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-26 15:02:32,145 INFO L428 AbstractCegarLoop]: === Iteration 68 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:32,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:32,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1332345144, now seen corresponding path program 9 times [2021-03-26 15:02:32,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:32,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294973501] [2021-03-26 15:02:32,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:32,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:32,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:32,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:32,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:32,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:32,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:32,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:32,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:32,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:32,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:32,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:32,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:32,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:32,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:32,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:32,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:32,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:32,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:32,254 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:32,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:32,270 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:32,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:32,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294973501] [2021-03-26 15:02:32,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:32,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:32,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617643889] [2021-03-26 15:02:32,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:32,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:32,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:32,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:32,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:32,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 459 transitions, 11710 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:32,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:32,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:32,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:32,932 INFO L129 PetriNetUnfolder]: 533/1125 cut-off events. [2021-03-26 15:02:32,933 INFO L130 PetriNetUnfolder]: For 35726/35730 co-relation queries the response was YES. [2021-03-26 15:02:32,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12256 conditions, 1125 events. 533/1125 cut-off events. For 35726/35730 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6861 event pairs, 13 based on Foata normal form. 5/992 useless extension candidates. Maximal degree in co-relation 12053. Up to 655 conditions per place. [2021-03-26 15:02:32,947 INFO L132 encePairwiseOnDemand]: 88/106 looper letters, 335 selfloop transitions, 103 changer transitions 20/476 dead transitions. [2021-03-26 15:02:32,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 476 transitions, 12951 flow [2021-03-26 15:02:32,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:02:32,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:02:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 859 transitions. [2021-03-26 15:02:32,948 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5064858490566038 [2021-03-26 15:02:32,948 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 859 transitions. [2021-03-26 15:02:32,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 859 transitions. [2021-03-26 15:02:32,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:32,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 859 transitions. [2021-03-26 15:02:32,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.6875) internal successors, (859), 16 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:32,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:32,951 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:32,951 INFO L185 Difference]: Start difference. First operand has 332 places, 459 transitions, 11710 flow. Second operand 16 states and 859 transitions. [2021-03-26 15:02:32,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 476 transitions, 12951 flow [2021-03-26 15:02:33,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 476 transitions, 12502 flow, removed 48 selfloop flow, removed 16 redundant places. [2021-03-26 15:02:33,153 INFO L241 Difference]: Finished difference. Result has 335 places, 443 transitions, 11057 flow [2021-03-26 15:02:33,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=11273, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=11057, PETRI_PLACES=335, PETRI_TRANSITIONS=443} [2021-03-26 15:02:33,154 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 282 predicate places. [2021-03-26 15:02:33,154 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:33,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 443 transitions, 11057 flow [2021-03-26 15:02:33,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 443 transitions, 11057 flow [2021-03-26 15:02:33,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 335 places, 443 transitions, 11057 flow [2021-03-26 15:02:33,277 INFO L129 PetriNetUnfolder]: 433/941 cut-off events. [2021-03-26 15:02:33,278 INFO L130 PetriNetUnfolder]: For 31737/31786 co-relation queries the response was YES. [2021-03-26 15:02:33,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10157 conditions, 941 events. 433/941 cut-off events. For 31737/31786 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5704 event pairs, 6 based on Foata normal form. 6/831 useless extension candidates. Maximal degree in co-relation 9965. Up to 309 conditions per place. [2021-03-26 15:02:33,297 INFO L142 LiptonReduction]: Number of co-enabled transitions 1738 [2021-03-26 15:02:33,320 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:33,321 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:33,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 167 [2021-03-26 15:02:33,321 INFO L480 AbstractCegarLoop]: Abstraction has has 335 places, 443 transitions, 11057 flow [2021-03-26 15:02:33,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:33,321 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:33,321 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:33,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-26 15:02:33,321 INFO L428 AbstractCegarLoop]: === Iteration 69 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:33,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:33,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1069623278, now seen corresponding path program 10 times [2021-03-26 15:02:33,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:33,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519437226] [2021-03-26 15:02:33,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:33,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:33,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:33,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:33,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:33,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:33,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:33,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:33,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:33,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:33,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:33,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:33,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:33,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:33,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:33,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:33,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:33,402 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:33,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:33,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:33,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:33,434 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:33,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:33,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519437226] [2021-03-26 15:02:33,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:33,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:33,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513912305] [2021-03-26 15:02:33,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:33,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:33,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:33,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:33,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:33,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 443 transitions, 11057 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:33,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:33,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:33,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:33,998 INFO L129 PetriNetUnfolder]: 517/1099 cut-off events. [2021-03-26 15:02:33,998 INFO L130 PetriNetUnfolder]: For 34447/34451 co-relation queries the response was YES. [2021-03-26 15:02:34,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11790 conditions, 1099 events. 517/1099 cut-off events. For 34447/34451 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6678 event pairs, 14 based on Foata normal form. 6/970 useless extension candidates. Maximal degree in co-relation 11586. Up to 650 conditions per place. [2021-03-26 15:02:34,012 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 326 selfloop transitions, 105 changer transitions 5/454 dead transitions. [2021-03-26 15:02:34,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 454 transitions, 12076 flow [2021-03-26 15:02:34,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:34,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 804 transitions. [2021-03-26 15:02:34,016 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5056603773584906 [2021-03-26 15:02:34,016 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 804 transitions. [2021-03-26 15:02:34,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 804 transitions. [2021-03-26 15:02:34,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:34,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 804 transitions. [2021-03-26 15:02:34,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:34,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:34,018 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:34,018 INFO L185 Difference]: Start difference. First operand has 335 places, 443 transitions, 11057 flow. Second operand 15 states and 804 transitions. [2021-03-26 15:02:34,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 454 transitions, 12076 flow [2021-03-26 15:02:34,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 454 transitions, 11665 flow, removed 45 selfloop flow, removed 24 redundant places. [2021-03-26 15:02:34,226 INFO L241 Difference]: Finished difference. Result has 328 places, 439 transitions, 10805 flow [2021-03-26 15:02:34,227 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=10650, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10805, PETRI_PLACES=328, PETRI_TRANSITIONS=439} [2021-03-26 15:02:34,227 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 275 predicate places. [2021-03-26 15:02:34,227 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:34,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 439 transitions, 10805 flow [2021-03-26 15:02:34,227 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 439 transitions, 10805 flow [2021-03-26 15:02:34,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 325 places, 439 transitions, 10805 flow [2021-03-26 15:02:34,358 INFO L129 PetriNetUnfolder]: 432/941 cut-off events. [2021-03-26 15:02:34,358 INFO L130 PetriNetUnfolder]: For 30548/30591 co-relation queries the response was YES. [2021-03-26 15:02:34,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10037 conditions, 941 events. 432/941 cut-off events. For 30548/30591 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5712 event pairs, 3 based on Foata normal form. 4/829 useless extension candidates. Maximal degree in co-relation 9846. Up to 305 conditions per place. [2021-03-26 15:02:34,378 INFO L142 LiptonReduction]: Number of co-enabled transitions 1742 [2021-03-26 15:02:34,413 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:34,413 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:34,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-26 15:02:34,413 INFO L480 AbstractCegarLoop]: Abstraction has has 325 places, 439 transitions, 10805 flow [2021-03-26 15:02:34,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:34,414 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:34,414 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:34,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-26 15:02:34,414 INFO L428 AbstractCegarLoop]: === Iteration 70 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:34,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:34,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1299092208, now seen corresponding path program 11 times [2021-03-26 15:02:34,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:34,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222663880] [2021-03-26 15:02:34,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:34,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:34,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:34,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:34,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:34,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:34,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:34,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:34,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:34,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:34,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:34,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:34,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:34,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:34,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:34,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:34,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:34,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:34,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:34,533 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:34,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:34,554 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:34,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:34,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222663880] [2021-03-26 15:02:34,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:34,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:34,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238866434] [2021-03-26 15:02:34,558 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:34,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:34,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:34,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:34,559 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:34,559 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 439 transitions, 10805 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:34,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:34,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:34,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:35,156 INFO L129 PetriNetUnfolder]: 515/1096 cut-off events. [2021-03-26 15:02:35,156 INFO L130 PetriNetUnfolder]: For 33519/33529 co-relation queries the response was YES. [2021-03-26 15:02:35,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11591 conditions, 1096 events. 515/1096 cut-off events. For 33519/33529 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 6651 event pairs, 15 based on Foata normal form. 11/972 useless extension candidates. Maximal degree in co-relation 11379. Up to 627 conditions per place. [2021-03-26 15:02:35,170 INFO L132 encePairwiseOnDemand]: 88/106 looper letters, 306 selfloop transitions, 119 changer transitions 10/453 dead transitions. [2021-03-26 15:02:35,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 453 transitions, 11861 flow [2021-03-26 15:02:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 807 transitions. [2021-03-26 15:02:35,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5075471698113208 [2021-03-26 15:02:35,171 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 807 transitions. [2021-03-26 15:02:35,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 807 transitions. [2021-03-26 15:02:35,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:35,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 807 transitions. [2021-03-26 15:02:35,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.8) internal successors, (807), 15 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:35,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:35,173 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:35,173 INFO L185 Difference]: Start difference. First operand has 325 places, 439 transitions, 10805 flow. Second operand 15 states and 807 transitions. [2021-03-26 15:02:35,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 453 transitions, 11861 flow [2021-03-26 15:02:35,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 453 transitions, 11406 flow, removed 118 selfloop flow, removed 15 redundant places. [2021-03-26 15:02:35,331 INFO L241 Difference]: Finished difference. Result has 327 places, 432 transitions, 10525 flow [2021-03-26 15:02:35,331 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=10367, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10525, PETRI_PLACES=327, PETRI_TRANSITIONS=432} [2021-03-26 15:02:35,331 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 274 predicate places. [2021-03-26 15:02:35,331 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:35,331 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 327 places, 432 transitions, 10525 flow [2021-03-26 15:02:35,331 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 327 places, 432 transitions, 10525 flow [2021-03-26 15:02:35,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 324 places, 432 transitions, 10525 flow [2021-03-26 15:02:35,446 INFO L129 PetriNetUnfolder]: 433/949 cut-off events. [2021-03-26 15:02:35,446 INFO L130 PetriNetUnfolder]: For 30428/30479 co-relation queries the response was YES. [2021-03-26 15:02:35,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9831 conditions, 949 events. 433/949 cut-off events. For 30428/30479 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 5804 event pairs, 5 based on Foata normal form. 12/840 useless extension candidates. Maximal degree in co-relation 9628. Up to 288 conditions per place. [2021-03-26 15:02:35,463 INFO L142 LiptonReduction]: Number of co-enabled transitions 1746 [2021-03-26 15:02:35,486 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:35,486 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:35,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-26 15:02:35,486 INFO L480 AbstractCegarLoop]: Abstraction has has 324 places, 432 transitions, 10525 flow [2021-03-26 15:02:35,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:35,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:35,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:35,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-26 15:02:35,487 INFO L428 AbstractCegarLoop]: === Iteration 71 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:35,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:35,487 INFO L82 PathProgramCache]: Analyzing trace with hash -780227932, now seen corresponding path program 12 times [2021-03-26 15:02:35,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:35,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477877278] [2021-03-26 15:02:35,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:35,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:35,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:35,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:35,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:35,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:35,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:35,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:35,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:35,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:35,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:35,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:35,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:35,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:35,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:35,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:35,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:35,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:35,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:35,570 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:35,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:35,574 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:35,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:35,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477877278] [2021-03-26 15:02:35,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:35,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:02:35,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798944339] [2021-03-26 15:02:35,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:02:35,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:35,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:02:35,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:02:35,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:35,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 432 transitions, 10525 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:35,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:35,580 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:35,580 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:35,970 INFO L129 PetriNetUnfolder]: 518/1104 cut-off events. [2021-03-26 15:02:35,970 INFO L130 PetriNetUnfolder]: For 31518/31524 co-relation queries the response was YES. [2021-03-26 15:02:35,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11561 conditions, 1104 events. 518/1104 cut-off events. For 31518/31524 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6747 event pairs, 5 based on Foata normal form. 7/974 useless extension candidates. Maximal degree in co-relation 11348. Up to 685 conditions per place. [2021-03-26 15:02:35,982 INFO L132 encePairwiseOnDemand]: 90/106 looper letters, 377 selfloop transitions, 55 changer transitions 0/450 dead transitions. [2021-03-26 15:02:35,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 450 transitions, 11848 flow [2021-03-26 15:02:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:02:35,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:02:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 542 transitions. [2021-03-26 15:02:35,983 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5113207547169811 [2021-03-26 15:02:35,983 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 542 transitions. [2021-03-26 15:02:35,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 542 transitions. [2021-03-26 15:02:35,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:35,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 542 transitions. [2021-03-26 15:02:35,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.2) internal successors, (542), 10 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:35,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 106.0) internal successors, (1166), 11 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:35,985 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 106.0) internal successors, (1166), 11 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:35,985 INFO L185 Difference]: Start difference. First operand has 324 places, 432 transitions, 10525 flow. Second operand 10 states and 542 transitions. [2021-03-26 15:02:35,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 450 transitions, 11848 flow [2021-03-26 15:02:36,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 450 transitions, 11466 flow, removed 71 selfloop flow, removed 16 redundant places. [2021-03-26 15:02:36,118 INFO L241 Difference]: Finished difference. Result has 321 places, 443 transitions, 10708 flow [2021-03-26 15:02:36,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=10143, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=10708, PETRI_PLACES=321, PETRI_TRANSITIONS=443} [2021-03-26 15:02:36,118 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 268 predicate places. [2021-03-26 15:02:36,118 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:36,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 321 places, 443 transitions, 10708 flow [2021-03-26 15:02:36,119 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 321 places, 443 transitions, 10708 flow [2021-03-26 15:02:36,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 443 transitions, 10708 flow [2021-03-26 15:02:36,235 INFO L129 PetriNetUnfolder]: 446/988 cut-off events. [2021-03-26 15:02:36,235 INFO L130 PetriNetUnfolder]: For 32078/32082 co-relation queries the response was YES. [2021-03-26 15:02:36,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10185 conditions, 988 events. 446/988 cut-off events. For 32078/32082 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 6156 event pairs, 9 based on Foata normal form. 1/868 useless extension candidates. Maximal degree in co-relation 9977. Up to 296 conditions per place. [2021-03-26 15:02:36,251 INFO L142 LiptonReduction]: Number of co-enabled transitions 1824 [2021-03-26 15:02:36,273 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:36,274 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:36,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-03-26 15:02:36,274 INFO L480 AbstractCegarLoop]: Abstraction has has 321 places, 443 transitions, 10708 flow [2021-03-26 15:02:36,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:36,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:36,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:36,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-26 15:02:36,274 INFO L428 AbstractCegarLoop]: === Iteration 72 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:36,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:36,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1304468820, now seen corresponding path program 13 times [2021-03-26 15:02:36,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:36,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303267443] [2021-03-26 15:02:36,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:36,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:36,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:36,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:36,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:36,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:36,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:36,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:36,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:36,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:36,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:36,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:36,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:36,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:36,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:36,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:36,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:36,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:36,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:36,351 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:36,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:36,355 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:36,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:36,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303267443] [2021-03-26 15:02:36,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:36,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:02:36,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488082821] [2021-03-26 15:02:36,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:02:36,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:36,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:02:36,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:02:36,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:36,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 443 transitions, 10708 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:36,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:36,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:36,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:36,747 INFO L129 PetriNetUnfolder]: 528/1137 cut-off events. [2021-03-26 15:02:36,747 INFO L130 PetriNetUnfolder]: For 33696/33706 co-relation queries the response was YES. [2021-03-26 15:02:36,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11713 conditions, 1137 events. 528/1137 cut-off events. For 33696/33706 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7070 event pairs, 17 based on Foata normal form. 11/1004 useless extension candidates. Maximal degree in co-relation 11493. Up to 686 conditions per place. [2021-03-26 15:02:36,761 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 373 selfloop transitions, 68 changer transitions 0/459 dead transitions. [2021-03-26 15:02:36,761 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 459 transitions, 12054 flow [2021-03-26 15:02:36,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:02:36,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:02:36,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 599 transitions. [2021-03-26 15:02:36,762 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5137221269296741 [2021-03-26 15:02:36,762 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 599 transitions. [2021-03-26 15:02:36,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 599 transitions. [2021-03-26 15:02:36,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:36,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 599 transitions. [2021-03-26 15:02:36,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.45454545454545) internal successors, (599), 11 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:36,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 106.0) internal successors, (1272), 12 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:36,763 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 106.0) internal successors, (1272), 12 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:36,763 INFO L185 Difference]: Start difference. First operand has 321 places, 443 transitions, 10708 flow. Second operand 11 states and 599 transitions. [2021-03-26 15:02:36,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 459 transitions, 12054 flow [2021-03-26 15:02:36,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 459 transitions, 11608 flow, removed 188 selfloop flow, removed 5 redundant places. [2021-03-26 15:02:36,921 INFO L241 Difference]: Finished difference. Result has 328 places, 451 transitions, 10845 flow [2021-03-26 15:02:36,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=10277, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10845, PETRI_PLACES=328, PETRI_TRANSITIONS=451} [2021-03-26 15:02:36,921 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 275 predicate places. [2021-03-26 15:02:36,921 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:36,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 451 transitions, 10845 flow [2021-03-26 15:02:36,922 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 451 transitions, 10845 flow [2021-03-26 15:02:36,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 328 places, 451 transitions, 10845 flow [2021-03-26 15:02:37,038 INFO L129 PetriNetUnfolder]: 450/996 cut-off events. [2021-03-26 15:02:37,039 INFO L130 PetriNetUnfolder]: For 32200/32251 co-relation queries the response was YES. [2021-03-26 15:02:37,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9986 conditions, 996 events. 450/996 cut-off events. For 32200/32251 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 6196 event pairs, 7 based on Foata normal form. 12/877 useless extension candidates. Maximal degree in co-relation 9772. Up to 303 conditions per place. [2021-03-26 15:02:37,054 INFO L142 LiptonReduction]: Number of co-enabled transitions 1888 [2021-03-26 15:02:37,079 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:37,079 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:37,079 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-03-26 15:02:37,079 INFO L480 AbstractCegarLoop]: Abstraction has has 328 places, 451 transitions, 10845 flow [2021-03-26 15:02:37,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:37,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:37,079 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:37,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-26 15:02:37,079 INFO L428 AbstractCegarLoop]: === Iteration 73 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:37,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:37,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1714693152, now seen corresponding path program 14 times [2021-03-26 15:02:37,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:37,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981367069] [2021-03-26 15:02:37,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:37,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:37,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:37,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:37,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:37,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:37,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:37,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:37,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:37,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:37,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:37,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:37,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:37,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:37,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:37,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:37,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:37,187 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:37,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:37,189 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:37,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:37,203 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:37,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:37,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:37,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981367069] [2021-03-26 15:02:37,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:37,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:37,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133021890] [2021-03-26 15:02:37,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:37,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:37,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:37,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:37,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:37,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 451 transitions, 10845 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:37,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:37,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:37,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:37,789 INFO L129 PetriNetUnfolder]: 586/1275 cut-off events. [2021-03-26 15:02:37,789 INFO L130 PetriNetUnfolder]: For 38295/38305 co-relation queries the response was YES. [2021-03-26 15:02:37,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12966 conditions, 1275 events. 586/1275 cut-off events. For 38295/38305 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 8250 event pairs, 9 based on Foata normal form. 11/1119 useless extension candidates. Maximal degree in co-relation 12732. Up to 621 conditions per place. [2021-03-26 15:02:37,807 INFO L132 encePairwiseOnDemand]: 90/106 looper letters, 289 selfloop transitions, 221 changer transitions 0/528 dead transitions. [2021-03-26 15:02:37,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 528 transitions, 14357 flow [2021-03-26 15:02:37,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:37,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 817 transitions. [2021-03-26 15:02:37,808 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5138364779874214 [2021-03-26 15:02:37,808 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 817 transitions. [2021-03-26 15:02:37,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 817 transitions. [2021-03-26 15:02:37,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:37,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 817 transitions. [2021-03-26 15:02:37,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.46666666666667) internal successors, (817), 15 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:37,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:37,810 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:37,810 INFO L185 Difference]: Start difference. First operand has 328 places, 451 transitions, 10845 flow. Second operand 15 states and 817 transitions. [2021-03-26 15:02:37,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 528 transitions, 14357 flow [2021-03-26 15:02:37,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 528 transitions, 14200 flow, removed 50 selfloop flow, removed 4 redundant places. [2021-03-26 15:02:37,997 INFO L241 Difference]: Finished difference. Result has 344 places, 516 transitions, 13782 flow [2021-03-26 15:02:37,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=10700, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=13782, PETRI_PLACES=344, PETRI_TRANSITIONS=516} [2021-03-26 15:02:37,997 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 291 predicate places. [2021-03-26 15:02:37,997 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:37,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 344 places, 516 transitions, 13782 flow [2021-03-26 15:02:37,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 344 places, 516 transitions, 13782 flow [2021-03-26 15:02:38,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 344 places, 516 transitions, 13782 flow [2021-03-26 15:02:38,158 INFO L129 PetriNetUnfolder]: 507/1134 cut-off events. [2021-03-26 15:02:38,159 INFO L130 PetriNetUnfolder]: For 38045/38072 co-relation queries the response was YES. [2021-03-26 15:02:38,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11942 conditions, 1134 events. 507/1134 cut-off events. For 38045/38072 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7424 event pairs, 12 based on Foata normal form. 6/991 useless extension candidates. Maximal degree in co-relation 11707. Up to 368 conditions per place. [2021-03-26 15:02:38,178 INFO L142 LiptonReduction]: Number of co-enabled transitions 2098 [2021-03-26 15:02:38,214 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:38,214 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:38,214 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 217 [2021-03-26 15:02:38,214 INFO L480 AbstractCegarLoop]: Abstraction has has 344 places, 516 transitions, 13782 flow [2021-03-26 15:02:38,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:38,215 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:38,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:38,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-26 15:02:38,215 INFO L428 AbstractCegarLoop]: === Iteration 74 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:38,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:38,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1104767550, now seen corresponding path program 15 times [2021-03-26 15:02:38,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:38,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872436660] [2021-03-26 15:02:38,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:38,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:38,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:38,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:38,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:38,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:38,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:38,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:38,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:38,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:38,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:38,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:38,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:38,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:38,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:38,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:38,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:38,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:38,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:38,305 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:38,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:38,310 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:38,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:38,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872436660] [2021-03-26 15:02:38,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:38,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:38,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435676247] [2021-03-26 15:02:38,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:38,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:38,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:38,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:38,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:38,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 516 transitions, 13782 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:38,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:38,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:38,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:38,865 INFO L129 PetriNetUnfolder]: 608/1333 cut-off events. [2021-03-26 15:02:38,865 INFO L130 PetriNetUnfolder]: For 43377/43387 co-relation queries the response was YES. [2021-03-26 15:02:38,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14172 conditions, 1333 events. 608/1333 cut-off events. For 43377/43387 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 8752 event pairs, 15 based on Foata normal form. 11/1167 useless extension candidates. Maximal degree in co-relation 13921. Up to 749 conditions per place. [2021-03-26 15:02:38,883 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 409 selfloop transitions, 121 changer transitions 0/548 dead transitions. [2021-03-26 15:02:38,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 548 transitions, 16109 flow [2021-03-26 15:02:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:02:38,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:02:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 702 transitions. [2021-03-26 15:02:38,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5094339622641509 [2021-03-26 15:02:38,884 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 702 transitions. [2021-03-26 15:02:38,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 702 transitions. [2021-03-26 15:02:38,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:38,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 702 transitions. [2021-03-26 15:02:38,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.0) internal successors, (702), 13 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:38,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 106.0) internal successors, (1484), 14 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:38,886 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 106.0) internal successors, (1484), 14 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:38,886 INFO L185 Difference]: Start difference. First operand has 344 places, 516 transitions, 13782 flow. Second operand 13 states and 702 transitions. [2021-03-26 15:02:38,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 548 transitions, 16109 flow [2021-03-26 15:02:39,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 548 transitions, 14986 flow, removed 546 selfloop flow, removed 3 redundant places. [2021-03-26 15:02:39,183 INFO L241 Difference]: Finished difference. Result has 356 places, 538 transitions, 14169 flow [2021-03-26 15:02:39,183 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=12990, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14169, PETRI_PLACES=356, PETRI_TRANSITIONS=538} [2021-03-26 15:02:39,183 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 303 predicate places. [2021-03-26 15:02:39,183 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:39,184 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 356 places, 538 transitions, 14169 flow [2021-03-26 15:02:39,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 356 places, 538 transitions, 14169 flow [2021-03-26 15:02:39,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 356 places, 538 transitions, 14169 flow [2021-03-26 15:02:39,341 INFO L129 PetriNetUnfolder]: 528/1192 cut-off events. [2021-03-26 15:02:39,341 INFO L130 PetriNetUnfolder]: For 39667/39730 co-relation queries the response was YES. [2021-03-26 15:02:39,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12227 conditions, 1192 events. 528/1192 cut-off events. For 39667/39730 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7908 event pairs, 10 based on Foata normal form. 5/1040 useless extension candidates. Maximal degree in co-relation 11976. Up to 359 conditions per place. [2021-03-26 15:02:39,363 INFO L142 LiptonReduction]: Number of co-enabled transitions 2234 [2021-03-26 15:02:39,396 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:39,396 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:39,396 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 213 [2021-03-26 15:02:39,397 INFO L480 AbstractCegarLoop]: Abstraction has has 356 places, 538 transitions, 14169 flow [2021-03-26 15:02:39,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:39,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:39,397 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, 1, 1, 1, 1] [2021-03-26 15:02:39,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-26 15:02:39,397 INFO L428 AbstractCegarLoop]: === Iteration 75 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:39,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:39,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1640289964, now seen corresponding path program 16 times [2021-03-26 15:02:39,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:39,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250862489] [2021-03-26 15:02:39,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:39,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:39,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:39,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:39,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:39,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:39,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:39,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:39,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:39,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:39,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:39,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:39,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:39,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:39,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:39,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:39,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:39,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:39,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:39,488 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:39,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:39,504 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:39,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:39,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250862489] [2021-03-26 15:02:39,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:39,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:39,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568361332] [2021-03-26 15:02:39,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:39,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:39,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:39,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:39,508 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:39,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 538 transitions, 14169 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:39,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:39,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:39,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:40,118 INFO L129 PetriNetUnfolder]: 621/1380 cut-off events. [2021-03-26 15:02:40,118 INFO L130 PetriNetUnfolder]: For 44316/44320 co-relation queries the response was YES. [2021-03-26 15:02:40,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14430 conditions, 1380 events. 621/1380 cut-off events. For 44316/44320 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9259 event pairs, 6 based on Foata normal form. 5/1205 useless extension candidates. Maximal degree in co-relation 14163. Up to 652 conditions per place. [2021-03-26 15:02:40,135 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 306 selfloop transitions, 236 changer transitions 23/583 dead transitions. [2021-03-26 15:02:40,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 583 transitions, 16803 flow [2021-03-26 15:02:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:40,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:40,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 780 transitions. [2021-03-26 15:02:40,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5256064690026954 [2021-03-26 15:02:40,136 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 780 transitions. [2021-03-26 15:02:40,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 780 transitions. [2021-03-26 15:02:40,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:40,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 780 transitions. [2021-03-26 15:02:40,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.714285714285715) internal successors, (780), 14 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:40,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:40,138 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:40,138 INFO L185 Difference]: Start difference. First operand has 356 places, 538 transitions, 14169 flow. Second operand 14 states and 780 transitions. [2021-03-26 15:02:40,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 583 transitions, 16803 flow [2021-03-26 15:02:40,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 583 transitions, 16628 flow, removed 61 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:40,383 INFO L241 Difference]: Finished difference. Result has 372 places, 545 transitions, 15315 flow [2021-03-26 15:02:40,384 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=13994, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=215, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=15315, PETRI_PLACES=372, PETRI_TRANSITIONS=545} [2021-03-26 15:02:40,384 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 319 predicate places. [2021-03-26 15:02:40,384 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:40,384 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 372 places, 545 transitions, 15315 flow [2021-03-26 15:02:40,384 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 372 places, 545 transitions, 15315 flow [2021-03-26 15:02:40,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 370 places, 545 transitions, 15315 flow [2021-03-26 15:02:40,552 INFO L129 PetriNetUnfolder]: 525/1191 cut-off events. [2021-03-26 15:02:40,552 INFO L130 PetriNetUnfolder]: For 50066/50102 co-relation queries the response was YES. [2021-03-26 15:02:40,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13085 conditions, 1191 events. 525/1191 cut-off events. For 50066/50102 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 7962 event pairs, 9 based on Foata normal form. 4/1040 useless extension candidates. Maximal degree in co-relation 12819. Up to 365 conditions per place. [2021-03-26 15:02:40,586 INFO L142 LiptonReduction]: Number of co-enabled transitions 2210 [2021-03-26 15:02:40,639 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:40,639 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:40,639 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 255 [2021-03-26 15:02:40,640 INFO L480 AbstractCegarLoop]: Abstraction has has 370 places, 545 transitions, 15315 flow [2021-03-26 15:02:40,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:40,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:40,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:40,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-26 15:02:40,640 INFO L428 AbstractCegarLoop]: === Iteration 76 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:40,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:40,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1054020160, now seen corresponding path program 17 times [2021-03-26 15:02:40,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:40,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056400887] [2021-03-26 15:02:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:40,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:40,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:40,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:40,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:40,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:40,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:40,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:40,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:40,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:40,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:40,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:40,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:40,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:40,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:40,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:40,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:40,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:40,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:40,754 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:40,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:40,773 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:40,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:40,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056400887] [2021-03-26 15:02:40,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:40,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:40,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181575447] [2021-03-26 15:02:40,777 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:40,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:40,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:40,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:40,778 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:40,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 545 transitions, 15315 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:40,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:40,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:40,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:41,499 INFO L129 PetriNetUnfolder]: 618/1366 cut-off events. [2021-03-26 15:02:41,499 INFO L130 PetriNetUnfolder]: For 50286/50298 co-relation queries the response was YES. [2021-03-26 15:02:41,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14989 conditions, 1366 events. 618/1366 cut-off events. For 50286/50298 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9120 event pairs, 5 based on Foata normal form. 13/1200 useless extension candidates. Maximal degree in co-relation 14713. Up to 778 conditions per place. [2021-03-26 15:02:41,518 INFO L132 encePairwiseOnDemand]: 90/106 looper letters, 458 selfloop transitions, 97 changer transitions 1/574 dead transitions. [2021-03-26 15:02:41,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 574 transitions, 17137 flow [2021-03-26 15:02:41,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:41,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 801 transitions. [2021-03-26 15:02:41,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5037735849056604 [2021-03-26 15:02:41,519 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 801 transitions. [2021-03-26 15:02:41,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 801 transitions. [2021-03-26 15:02:41,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:41,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 801 transitions. [2021-03-26 15:02:41,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.4) internal successors, (801), 15 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:41,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:41,520 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:41,520 INFO L185 Difference]: Start difference. First operand has 370 places, 545 transitions, 15315 flow. Second operand 15 states and 801 transitions. [2021-03-26 15:02:41,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 574 transitions, 17137 flow [2021-03-26 15:02:41,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 574 transitions, 16370 flow, removed 231 selfloop flow, removed 15 redundant places. [2021-03-26 15:02:41,800 INFO L241 Difference]: Finished difference. Result has 373 places, 562 transitions, 15386 flow [2021-03-26 15:02:41,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=14579, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15386, PETRI_PLACES=373, PETRI_TRANSITIONS=562} [2021-03-26 15:02:41,800 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 320 predicate places. [2021-03-26 15:02:41,801 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:41,801 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 562 transitions, 15386 flow [2021-03-26 15:02:41,801 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 562 transitions, 15386 flow [2021-03-26 15:02:41,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 373 places, 562 transitions, 15386 flow [2021-03-26 15:02:41,986 INFO L129 PetriNetUnfolder]: 547/1252 cut-off events. [2021-03-26 15:02:41,986 INFO L130 PetriNetUnfolder]: For 47442/47484 co-relation queries the response was YES. [2021-03-26 15:02:41,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13016 conditions, 1252 events. 547/1252 cut-off events. For 47442/47484 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 8571 event pairs, 8 based on Foata normal form. 4/1084 useless extension candidates. Maximal degree in co-relation 12747. Up to 375 conditions per place. [2021-03-26 15:02:42,009 INFO L142 LiptonReduction]: Number of co-enabled transitions 2264 [2021-03-26 15:02:42,041 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:42,041 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:42,041 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 241 [2021-03-26 15:02:42,042 INFO L480 AbstractCegarLoop]: Abstraction has has 373 places, 562 transitions, 15386 flow [2021-03-26 15:02:42,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:42,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:42,042 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:42,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-26 15:02:42,042 INFO L428 AbstractCegarLoop]: === Iteration 77 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:42,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:42,042 INFO L82 PathProgramCache]: Analyzing trace with hash -918019334, now seen corresponding path program 18 times [2021-03-26 15:02:42,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:42,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898840677] [2021-03-26 15:02:42,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:42,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:42,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:42,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:42,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:42,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:42,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:42,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:42,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:42,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:42,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:42,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:42,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:42,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:42,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:42,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:42,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:42,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:42,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:42,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:42,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:42,161 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:42,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:42,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898840677] [2021-03-26 15:02:42,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:42,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:42,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735234491] [2021-03-26 15:02:42,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:42,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:42,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:42,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:42,164 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:42,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 562 transitions, 15386 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:42,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:42,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:42,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:42,875 INFO L129 PetriNetUnfolder]: 649/1453 cut-off events. [2021-03-26 15:02:42,875 INFO L130 PetriNetUnfolder]: For 51083/51093 co-relation queries the response was YES. [2021-03-26 15:02:42,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15628 conditions, 1453 events. 649/1453 cut-off events. For 51083/51093 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9918 event pairs, 4 based on Foata normal form. 11/1269 useless extension candidates. Maximal degree in co-relation 15346. Up to 611 conditions per place. [2021-03-26 15:02:42,895 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 268 selfloop transitions, 261 changer transitions 71/618 dead transitions. [2021-03-26 15:02:42,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 618 transitions, 18638 flow [2021-03-26 15:02:42,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:02:42,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:02:42,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 937 transitions. [2021-03-26 15:02:42,896 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5199778024417314 [2021-03-26 15:02:42,896 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 937 transitions. [2021-03-26 15:02:42,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 937 transitions. [2021-03-26 15:02:42,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:42,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 937 transitions. [2021-03-26 15:02:42,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 55.11764705882353) internal successors, (937), 17 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:42,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 106.0) internal successors, (1908), 18 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:42,898 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 106.0) internal successors, (1908), 18 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:42,898 INFO L185 Difference]: Start difference. First operand has 373 places, 562 transitions, 15386 flow. Second operand 17 states and 937 transitions. [2021-03-26 15:02:42,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 618 transitions, 18638 flow [2021-03-26 15:02:43,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 618 transitions, 18162 flow, removed 213 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:43,237 INFO L241 Difference]: Finished difference. Result has 392 places, 532 transitions, 15060 flow [2021-03-26 15:02:43,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=15028, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=15060, PETRI_PLACES=392, PETRI_TRANSITIONS=532} [2021-03-26 15:02:43,238 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 339 predicate places. [2021-03-26 15:02:43,238 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:43,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 392 places, 532 transitions, 15060 flow [2021-03-26 15:02:43,238 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 392 places, 532 transitions, 15060 flow [2021-03-26 15:02:43,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 392 places, 532 transitions, 15060 flow [2021-03-26 15:02:43,402 INFO L129 PetriNetUnfolder]: 504/1115 cut-off events. [2021-03-26 15:02:43,402 INFO L130 PetriNetUnfolder]: For 51520/51556 co-relation queries the response was YES. [2021-03-26 15:02:43,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13176 conditions, 1115 events. 504/1115 cut-off events. For 51520/51556 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7192 event pairs, 8 based on Foata normal form. 4/987 useless extension candidates. Maximal degree in co-relation 12913. Up to 351 conditions per place. [2021-03-26 15:02:43,423 INFO L142 LiptonReduction]: Number of co-enabled transitions 2076 [2021-03-26 15:02:43,456 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:43,456 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:43,456 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 218 [2021-03-26 15:02:43,457 INFO L480 AbstractCegarLoop]: Abstraction has has 392 places, 532 transitions, 15060 flow [2021-03-26 15:02:43,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:43,457 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:43,457 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:43,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-26 15:02:43,457 INFO L428 AbstractCegarLoop]: === Iteration 78 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:43,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:43,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1035260730, now seen corresponding path program 19 times [2021-03-26 15:02:43,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:43,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292686645] [2021-03-26 15:02:43,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:43,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:43,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:43,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:43,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:43,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:43,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:43,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:43,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:43,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:43,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:43,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:43,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:43,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:43,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:43,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:43,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:43,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:43,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:43,551 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:43,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:43,565 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:43,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:43,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292686645] [2021-03-26 15:02:43,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:43,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:43,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736693647] [2021-03-26 15:02:43,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:43,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:43,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:43,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:43,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:43,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 532 transitions, 15060 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:43,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:43,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:43,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:44,163 INFO L129 PetriNetUnfolder]: 573/1251 cut-off events. [2021-03-26 15:02:44,163 INFO L130 PetriNetUnfolder]: For 52777/52783 co-relation queries the response was YES. [2021-03-26 15:02:44,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14717 conditions, 1251 events. 573/1251 cut-off events. For 52777/52783 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8053 event pairs, 7 based on Foata normal form. 7/1107 useless extension candidates. Maximal degree in co-relation 14441. Up to 751 conditions per place. [2021-03-26 15:02:44,182 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 446 selfloop transitions, 88 changer transitions 1/553 dead transitions. [2021-03-26 15:02:44,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 553 transitions, 16585 flow [2021-03-26 15:02:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:44,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 751 transitions. [2021-03-26 15:02:44,183 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5060646900269542 [2021-03-26 15:02:44,183 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 751 transitions. [2021-03-26 15:02:44,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 751 transitions. [2021-03-26 15:02:44,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:44,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 751 transitions. [2021-03-26 15:02:44,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.642857142857146) internal successors, (751), 14 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:44,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:44,185 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:44,185 INFO L185 Difference]: Start difference. First operand has 392 places, 532 transitions, 15060 flow. Second operand 14 states and 751 transitions. [2021-03-26 15:02:44,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 553 transitions, 16585 flow [2021-03-26 15:02:44,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 553 transitions, 15271 flow, removed 220 selfloop flow, removed 32 redundant places. [2021-03-26 15:02:44,493 INFO L241 Difference]: Finished difference. Result has 377 places, 542 transitions, 14349 flow [2021-03-26 15:02:44,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=13782, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=14349, PETRI_PLACES=377, PETRI_TRANSITIONS=542} [2021-03-26 15:02:44,493 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 324 predicate places. [2021-03-26 15:02:44,493 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:44,494 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 542 transitions, 14349 flow [2021-03-26 15:02:44,494 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 542 transitions, 14349 flow [2021-03-26 15:02:44,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 542 transitions, 14349 flow [2021-03-26 15:02:44,650 INFO L129 PetriNetUnfolder]: 498/1122 cut-off events. [2021-03-26 15:02:44,650 INFO L130 PetriNetUnfolder]: For 45522/45558 co-relation queries the response was YES. [2021-03-26 15:02:44,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12278 conditions, 1122 events. 498/1122 cut-off events. For 45522/45558 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7315 event pairs, 4 based on Foata normal form. 4/988 useless extension candidates. Maximal degree in co-relation 12021. Up to 347 conditions per place. [2021-03-26 15:02:44,671 INFO L142 LiptonReduction]: Number of co-enabled transitions 2144 [2021-03-26 15:02:44,704 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:44,704 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:44,704 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 211 [2021-03-26 15:02:44,704 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 542 transitions, 14349 flow [2021-03-26 15:02:44,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:44,704 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:44,705 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:44,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-26 15:02:44,705 INFO L428 AbstractCegarLoop]: === Iteration 79 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:44,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:44,705 INFO L82 PathProgramCache]: Analyzing trace with hash -868625564, now seen corresponding path program 20 times [2021-03-26 15:02:44,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:44,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467149577] [2021-03-26 15:02:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:44,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:44,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:44,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:44,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:44,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:44,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:44,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:44,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:44,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:44,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:44,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:44,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:44,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:44,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:44,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:44,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:44,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:44,800 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:44,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:44,808 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:44,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:44,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:44,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467149577] [2021-03-26 15:02:44,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:44,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:44,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357145885] [2021-03-26 15:02:44,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:44,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:44,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:44,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:44,812 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:44,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 542 transitions, 14349 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:44,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:44,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:44,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:45,377 INFO L129 PetriNetUnfolder]: 598/1337 cut-off events. [2021-03-26 15:02:45,377 INFO L130 PetriNetUnfolder]: For 50244/50248 co-relation queries the response was YES. [2021-03-26 15:02:45,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14431 conditions, 1337 events. 598/1337 cut-off events. For 50244/50248 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8910 event pairs, 11 based on Foata normal form. 6/1172 useless extension candidates. Maximal degree in co-relation 14143. Up to 777 conditions per place. [2021-03-26 15:02:45,396 INFO L132 encePairwiseOnDemand]: 90/106 looper letters, 474 selfloop transitions, 79 changer transitions 0/571 dead transitions. [2021-03-26 15:02:45,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 571 transitions, 16307 flow [2021-03-26 15:02:45,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:45,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 744 transitions. [2021-03-26 15:02:45,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5013477088948787 [2021-03-26 15:02:45,397 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 744 transitions. [2021-03-26 15:02:45,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 744 transitions. [2021-03-26 15:02:45,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:45,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 744 transitions. [2021-03-26 15:02:45,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.142857142857146) internal successors, (744), 14 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:45,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:45,398 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:45,398 INFO L185 Difference]: Start difference. First operand has 377 places, 542 transitions, 14349 flow. Second operand 14 states and 744 transitions. [2021-03-26 15:02:45,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 571 transitions, 16307 flow [2021-03-26 15:02:45,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 571 transitions, 16072 flow, removed 89 selfloop flow, removed 7 redundant places. [2021-03-26 15:02:45,704 INFO L241 Difference]: Finished difference. Result has 388 places, 560 transitions, 15067 flow [2021-03-26 15:02:45,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=14120, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=15067, PETRI_PLACES=388, PETRI_TRANSITIONS=560} [2021-03-26 15:02:45,704 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 335 predicate places. [2021-03-26 15:02:45,704 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:45,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 560 transitions, 15067 flow [2021-03-26 15:02:45,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 560 transitions, 15067 flow [2021-03-26 15:02:45,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 388 places, 560 transitions, 15067 flow [2021-03-26 15:02:45,883 INFO L129 PetriNetUnfolder]: 519/1203 cut-off events. [2021-03-26 15:02:45,883 INFO L130 PetriNetUnfolder]: For 49880/49917 co-relation queries the response was YES. [2021-03-26 15:02:45,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12805 conditions, 1203 events. 519/1203 cut-off events. For 49880/49917 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8152 event pairs, 4 based on Foata normal form. 5/1051 useless extension candidates. Maximal degree in co-relation 12524. Up to 360 conditions per place. [2021-03-26 15:02:45,941 INFO L142 LiptonReduction]: Number of co-enabled transitions 2310 [2021-03-26 15:02:45,976 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:45,976 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:45,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 272 [2021-03-26 15:02:45,976 INFO L480 AbstractCegarLoop]: Abstraction has has 388 places, 560 transitions, 15067 flow [2021-03-26 15:02:45,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:45,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:45,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:45,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-26 15:02:45,977 INFO L428 AbstractCegarLoop]: === Iteration 80 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:45,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:45,977 INFO L82 PathProgramCache]: Analyzing trace with hash 457325208, now seen corresponding path program 21 times [2021-03-26 15:02:45,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:45,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481311529] [2021-03-26 15:02:45,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:45,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:45,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:45,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:45,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:46,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:46,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:46,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:46,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:46,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:46,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:46,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:46,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:46,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:46,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:46,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:46,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:46,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:46,073 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:46,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:46,077 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:46,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:46,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481311529] [2021-03-26 15:02:46,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:46,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:46,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289348990] [2021-03-26 15:02:46,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:46,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:46,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:46,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:46,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:46,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 560 transitions, 15067 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:46,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:46,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:46,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:46,648 INFO L129 PetriNetUnfolder]: 607/1368 cut-off events. [2021-03-26 15:02:46,648 INFO L130 PetriNetUnfolder]: For 52550/52556 co-relation queries the response was YES. [2021-03-26 15:02:46,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14776 conditions, 1368 events. 607/1368 cut-off events. For 52550/52556 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9239 event pairs, 2 based on Foata normal form. 7/1199 useless extension candidates. Maximal degree in co-relation 14469. Up to 727 conditions per place. [2021-03-26 15:02:46,667 INFO L132 encePairwiseOnDemand]: 90/106 looper letters, 390 selfloop transitions, 174 changer transitions 0/582 dead transitions. [2021-03-26 15:02:46,667 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 582 transitions, 16851 flow [2021-03-26 15:02:46,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:02:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:02:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 655 transitions. [2021-03-26 15:02:46,668 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.514937106918239 [2021-03-26 15:02:46,668 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 655 transitions. [2021-03-26 15:02:46,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 655 transitions. [2021-03-26 15:02:46,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:46,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 655 transitions. [2021-03-26 15:02:46,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.583333333333336) internal successors, (655), 12 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:46,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 106.0) internal successors, (1378), 13 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:46,670 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 106.0) internal successors, (1378), 13 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:46,670 INFO L185 Difference]: Start difference. First operand has 388 places, 560 transitions, 15067 flow. Second operand 12 states and 655 transitions. [2021-03-26 15:02:46,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 582 transitions, 16851 flow [2021-03-26 15:02:46,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 582 transitions, 16314 flow, removed 253 selfloop flow, removed 6 redundant places. [2021-03-26 15:02:46,972 INFO L241 Difference]: Finished difference. Result has 395 places, 574 transitions, 15613 flow [2021-03-26 15:02:46,972 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=14636, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15613, PETRI_PLACES=395, PETRI_TRANSITIONS=574} [2021-03-26 15:02:46,972 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 342 predicate places. [2021-03-26 15:02:46,972 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:46,972 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 574 transitions, 15613 flow [2021-03-26 15:02:46,972 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 574 transitions, 15613 flow [2021-03-26 15:02:46,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 395 places, 574 transitions, 15613 flow [2021-03-26 15:02:47,159 INFO L129 PetriNetUnfolder]: 529/1226 cut-off events. [2021-03-26 15:02:47,159 INFO L130 PetriNetUnfolder]: For 51787/51824 co-relation queries the response was YES. [2021-03-26 15:02:47,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13196 conditions, 1226 events. 529/1226 cut-off events. For 51787/51824 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8341 event pairs, 5 based on Foata normal form. 5/1071 useless extension candidates. Maximal degree in co-relation 12912. Up to 358 conditions per place. [2021-03-26 15:02:47,184 INFO L142 LiptonReduction]: Number of co-enabled transitions 2420 [2021-03-26 15:02:47,221 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:47,221 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:47,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 249 [2021-03-26 15:02:47,221 INFO L480 AbstractCegarLoop]: Abstraction has has 395 places, 574 transitions, 15613 flow [2021-03-26 15:02:47,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:47,222 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:47,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:47,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-26 15:02:47,222 INFO L428 AbstractCegarLoop]: === Iteration 81 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:47,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:47,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1568771764, now seen corresponding path program 22 times [2021-03-26 15:02:47,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:47,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65944468] [2021-03-26 15:02:47,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:47,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:47,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:47,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:47,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:47,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:47,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:47,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:47,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:47,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:47,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:47,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:47,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:47,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:47,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:47,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:47,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:47,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:47,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:47,323 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:47,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:47,326 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:47,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:47,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:47,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65944468] [2021-03-26 15:02:47,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:47,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:47,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403128226] [2021-03-26 15:02:47,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:47,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:47,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:47,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:47,330 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:47,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 574 transitions, 15613 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:47,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:47,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:47,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:48,050 INFO L129 PetriNetUnfolder]: 616/1395 cut-off events. [2021-03-26 15:02:48,050 INFO L130 PetriNetUnfolder]: For 56040/56046 co-relation queries the response was YES. [2021-03-26 15:02:48,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15058 conditions, 1395 events. 616/1395 cut-off events. For 56040/56046 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9507 event pairs, 3 based on Foata normal form. 7/1219 useless extension candidates. Maximal degree in co-relation 14761. Up to 769 conditions per place. [2021-03-26 15:02:48,068 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 452 selfloop transitions, 124 changer transitions 0/594 dead transitions. [2021-03-26 15:02:48,068 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 594 transitions, 17362 flow [2021-03-26 15:02:48,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:48,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 749 transitions. [2021-03-26 15:02:48,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5047169811320755 [2021-03-26 15:02:48,069 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 749 transitions. [2021-03-26 15:02:48,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 749 transitions. [2021-03-26 15:02:48,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:48,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 749 transitions. [2021-03-26 15:02:48,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.5) internal successors, (749), 14 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:48,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:48,071 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:48,071 INFO L185 Difference]: Start difference. First operand has 395 places, 574 transitions, 15613 flow. Second operand 14 states and 749 transitions. [2021-03-26 15:02:48,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 594 transitions, 17362 flow [2021-03-26 15:02:48,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 594 transitions, 17174 flow, removed 61 selfloop flow, removed 5 redundant places. [2021-03-26 15:02:48,387 INFO L241 Difference]: Finished difference. Result has 406 places, 583 transitions, 16298 flow [2021-03-26 15:02:48,387 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=15425, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=118, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16298, PETRI_PLACES=406, PETRI_TRANSITIONS=583} [2021-03-26 15:02:48,387 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 353 predicate places. [2021-03-26 15:02:48,387 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:48,388 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 583 transitions, 16298 flow [2021-03-26 15:02:48,388 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 583 transitions, 16298 flow [2021-03-26 15:02:48,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 583 transitions, 16298 flow [2021-03-26 15:02:48,577 INFO L129 PetriNetUnfolder]: 539/1250 cut-off events. [2021-03-26 15:02:48,577 INFO L130 PetriNetUnfolder]: For 54341/54377 co-relation queries the response was YES. [2021-03-26 15:02:48,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13625 conditions, 1250 events. 539/1250 cut-off events. For 54341/54377 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8603 event pairs, 4 based on Foata normal form. 4/1089 useless extension candidates. Maximal degree in co-relation 13337. Up to 365 conditions per place. [2021-03-26 15:02:48,605 INFO L142 LiptonReduction]: Number of co-enabled transitions 2436 [2021-03-26 15:02:48,644 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:48,644 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:48,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-03-26 15:02:48,645 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 583 transitions, 16298 flow [2021-03-26 15:02:48,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:48,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:48,645 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:48,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-26 15:02:48,645 INFO L428 AbstractCegarLoop]: === Iteration 82 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:48,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:48,645 INFO L82 PathProgramCache]: Analyzing trace with hash 990097140, now seen corresponding path program 23 times [2021-03-26 15:02:48,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:48,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951909370] [2021-03-26 15:02:48,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:48,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:48,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:48,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:48,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:48,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:48,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:48,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:48,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:48,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:48,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:48,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:48,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:48,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:48,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:48,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:48,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:48,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:48,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:48,743 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:48,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:48,752 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:48,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:48,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:48,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951909370] [2021-03-26 15:02:48,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:48,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:48,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567191564] [2021-03-26 15:02:48,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:48,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:48,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:48,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:48,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:48,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 583 transitions, 16298 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:48,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:48,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:48,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:49,365 INFO L129 PetriNetUnfolder]: 633/1462 cut-off events. [2021-03-26 15:02:49,365 INFO L130 PetriNetUnfolder]: For 57788/57800 co-relation queries the response was YES. [2021-03-26 15:02:49,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15583 conditions, 1462 events. 633/1462 cut-off events. For 57788/57800 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10226 event pairs, 3 based on Foata normal form. 13/1273 useless extension candidates. Maximal degree in co-relation 15282. Up to 806 conditions per place. [2021-03-26 15:02:49,386 INFO L132 encePairwiseOnDemand]: 90/106 looper letters, 493 selfloop transitions, 82 changer transitions 9/602 dead transitions. [2021-03-26 15:02:49,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 602 transitions, 18082 flow [2021-03-26 15:02:49,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 790 transitions. [2021-03-26 15:02:49,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4968553459119497 [2021-03-26 15:02:49,388 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 790 transitions. [2021-03-26 15:02:49,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 790 transitions. [2021-03-26 15:02:49,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:49,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 790 transitions. [2021-03-26 15:02:49,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.666666666666664) internal successors, (790), 15 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:49,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:49,390 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:49,390 INFO L185 Difference]: Start difference. First operand has 406 places, 583 transitions, 16298 flow. Second operand 15 states and 790 transitions. [2021-03-26 15:02:49,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 602 transitions, 18082 flow [2021-03-26 15:02:49,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 602 transitions, 17752 flow, removed 107 selfloop flow, removed 10 redundant places. [2021-03-26 15:02:49,746 INFO L241 Difference]: Finished difference. Result has 413 places, 585 transitions, 16278 flow [2021-03-26 15:02:49,747 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=15990, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16278, PETRI_PLACES=413, PETRI_TRANSITIONS=585} [2021-03-26 15:02:49,747 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 360 predicate places. [2021-03-26 15:02:49,747 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:49,747 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 585 transitions, 16278 flow [2021-03-26 15:02:49,747 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 585 transitions, 16278 flow [2021-03-26 15:02:49,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 585 transitions, 16278 flow [2021-03-26 15:02:49,976 INFO L129 PetriNetUnfolder]: 546/1301 cut-off events. [2021-03-26 15:02:49,976 INFO L130 PetriNetUnfolder]: For 54273/54320 co-relation queries the response was YES. [2021-03-26 15:02:49,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13635 conditions, 1301 events. 546/1301 cut-off events. For 54273/54320 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9252 event pairs, 5 based on Foata normal form. 4/1123 useless extension candidates. Maximal degree in co-relation 13344. Up to 369 conditions per place. [2021-03-26 15:02:50,004 INFO L142 LiptonReduction]: Number of co-enabled transitions 2506 [2021-03-26 15:02:50,079 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:50,079 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:50,079 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 332 [2021-03-26 15:02:50,079 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 585 transitions, 16278 flow [2021-03-26 15:02:50,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:50,080 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:50,080 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:50,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-26 15:02:50,080 INFO L428 AbstractCegarLoop]: === Iteration 83 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:50,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:50,080 INFO L82 PathProgramCache]: Analyzing trace with hash 817348380, now seen corresponding path program 24 times [2021-03-26 15:02:50,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:50,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519286057] [2021-03-26 15:02:50,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:50,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:50,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:50,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:50,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:50,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:50,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:50,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:50,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:50,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:50,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:50,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:50,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:50,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:50,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:50,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:50,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:50,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:50,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:50,185 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:02:50,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:50,199 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:50,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:50,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:50,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519286057] [2021-03-26 15:02:50,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:50,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:50,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201613922] [2021-03-26 15:02:50,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:50,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:50,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:50,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:50,202 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:50,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 585 transitions, 16278 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:50,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:50,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:50,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:50,905 INFO L129 PetriNetUnfolder]: 629/1477 cut-off events. [2021-03-26 15:02:50,905 INFO L130 PetriNetUnfolder]: For 58206/58210 co-relation queries the response was YES. [2021-03-26 15:02:50,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15612 conditions, 1477 events. 629/1477 cut-off events. For 58206/58210 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10396 event pairs, 10 based on Foata normal form. 5/1276 useless extension candidates. Maximal degree in co-relation 15308. Up to 720 conditions per place. [2021-03-26 15:02:50,928 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 406 selfloop transitions, 176 changer transitions 6/606 dead transitions. [2021-03-26 15:02:50,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 606 transitions, 18060 flow [2021-03-26 15:02:50,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:02:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:02:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 857 transitions. [2021-03-26 15:02:50,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5053066037735849 [2021-03-26 15:02:50,929 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 857 transitions. [2021-03-26 15:02:50,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 857 transitions. [2021-03-26 15:02:50,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:50,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 857 transitions. [2021-03-26 15:02:50,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.5625) internal successors, (857), 16 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:50,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:50,931 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:50,931 INFO L185 Difference]: Start difference. First operand has 412 places, 585 transitions, 16278 flow. Second operand 16 states and 857 transitions. [2021-03-26 15:02:50,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 606 transitions, 18060 flow [2021-03-26 15:02:51,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 606 transitions, 17461 flow, removed 238 selfloop flow, removed 14 redundant places. [2021-03-26 15:02:51,250 INFO L241 Difference]: Finished difference. Result has 417 places, 585 transitions, 16307 flow [2021-03-26 15:02:51,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=15679, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=173, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16307, PETRI_PLACES=417, PETRI_TRANSITIONS=585} [2021-03-26 15:02:51,250 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 364 predicate places. [2021-03-26 15:02:51,250 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:51,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 417 places, 585 transitions, 16307 flow [2021-03-26 15:02:51,251 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 417 places, 585 transitions, 16307 flow [2021-03-26 15:02:51,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 585 transitions, 16307 flow [2021-03-26 15:02:51,454 INFO L129 PetriNetUnfolder]: 563/1359 cut-off events. [2021-03-26 15:02:51,454 INFO L130 PetriNetUnfolder]: For 56348/56351 co-relation queries the response was YES. [2021-03-26 15:02:51,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14102 conditions, 1359 events. 563/1359 cut-off events. For 56348/56351 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9730 event pairs, 5 based on Foata normal form. 1/1170 useless extension candidates. Maximal degree in co-relation 13808. Up to 361 conditions per place. [2021-03-26 15:02:51,482 INFO L142 LiptonReduction]: Number of co-enabled transitions 2554 [2021-03-26 15:02:51,520 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:51,520 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:51,520 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 270 [2021-03-26 15:02:51,521 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 585 transitions, 16307 flow [2021-03-26 15:02:51,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:51,521 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:51,521 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:51,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-26 15:02:51,521 INFO L428 AbstractCegarLoop]: === Iteration 84 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:51,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:51,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1257723860, now seen corresponding path program 25 times [2021-03-26 15:02:51,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:51,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280541083] [2021-03-26 15:02:51,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:51,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:51,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:51,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:51,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:51,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:51,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:51,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:51,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:51,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:51,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:51,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:51,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:51,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:51,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:51,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:51,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:51,605 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:02:51,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:02:51,607 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:51,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:51,620 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:51,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:51,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280541083] [2021-03-26 15:02:51,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:51,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:51,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010507251] [2021-03-26 15:02:51,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:51,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:51,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:51,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:51,623 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:51,624 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 585 transitions, 16307 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:51,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:51,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:51,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:52,340 INFO L129 PetriNetUnfolder]: 623/1476 cut-off events. [2021-03-26 15:02:52,340 INFO L130 PetriNetUnfolder]: For 57896/57906 co-relation queries the response was YES. [2021-03-26 15:02:52,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15531 conditions, 1476 events. 623/1476 cut-off events. For 57896/57906 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10529 event pairs, 2 based on Foata normal form. 13/1283 useless extension candidates. Maximal degree in co-relation 15224. Up to 786 conditions per place. [2021-03-26 15:02:52,364 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 477 selfloop transitions, 101 changer transitions 4/600 dead transitions. [2021-03-26 15:02:52,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 600 transitions, 17652 flow [2021-03-26 15:02:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:02:52,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:02:52,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 755 transitions. [2021-03-26 15:02:52,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5087601078167115 [2021-03-26 15:02:52,365 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 755 transitions. [2021-03-26 15:02:52,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 755 transitions. [2021-03-26 15:02:52,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:52,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 755 transitions. [2021-03-26 15:02:52,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.92857142857143) internal successors, (755), 14 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:52,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:52,367 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 106.0) internal successors, (1590), 15 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:52,367 INFO L185 Difference]: Start difference. First operand has 417 places, 585 transitions, 16307 flow. Second operand 14 states and 755 transitions. [2021-03-26 15:02:52,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 600 transitions, 17652 flow [2021-03-26 15:02:52,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 600 transitions, 17206 flow, removed 57 selfloop flow, removed 16 redundant places. [2021-03-26 15:02:52,738 INFO L241 Difference]: Finished difference. Result has 418 places, 584 transitions, 16142 flow [2021-03-26 15:02:52,738 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=15861, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16142, PETRI_PLACES=418, PETRI_TRANSITIONS=584} [2021-03-26 15:02:52,738 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 365 predicate places. [2021-03-26 15:02:52,738 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:52,739 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 418 places, 584 transitions, 16142 flow [2021-03-26 15:02:52,739 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 418 places, 584 transitions, 16142 flow [2021-03-26 15:02:52,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 418 places, 584 transitions, 16142 flow [2021-03-26 15:02:52,956 INFO L129 PetriNetUnfolder]: 548/1342 cut-off events. [2021-03-26 15:02:52,956 INFO L130 PetriNetUnfolder]: For 56317/56360 co-relation queries the response was YES. [2021-03-26 15:02:52,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13774 conditions, 1342 events. 548/1342 cut-off events. For 56317/56360 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9713 event pairs, 7 based on Foata normal form. 4/1153 useless extension candidates. Maximal degree in co-relation 13471. Up to 359 conditions per place. [2021-03-26 15:02:52,984 INFO L142 LiptonReduction]: Number of co-enabled transitions 2582 [2021-03-26 15:02:53,022 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:53,022 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:53,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 284 [2021-03-26 15:02:53,022 INFO L480 AbstractCegarLoop]: Abstraction has has 418 places, 584 transitions, 16142 flow [2021-03-26 15:02:53,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:53,022 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:53,022 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:53,022 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-26 15:02:53,023 INFO L428 AbstractCegarLoop]: === Iteration 85 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:53,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:53,023 INFO L82 PathProgramCache]: Analyzing trace with hash -437924072, now seen corresponding path program 26 times [2021-03-26 15:02:53,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:53,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886473697] [2021-03-26 15:02:53,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:53,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:53,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:53,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:53,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:53,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:53,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:53,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:53,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:53,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:53,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:53,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:53,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:53,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:53,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:53,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:53,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:53,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:53,128 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:53,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:53,144 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:53,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:53,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886473697] [2021-03-26 15:02:53,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:53,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:53,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778953418] [2021-03-26 15:02:53,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:53,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:53,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:53,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:53,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:53,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 584 transitions, 16142 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:53,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:53,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:53,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:53,860 INFO L129 PetriNetUnfolder]: 621/1471 cut-off events. [2021-03-26 15:02:53,860 INFO L130 PetriNetUnfolder]: For 57920/57932 co-relation queries the response was YES. [2021-03-26 15:02:53,875 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15448 conditions, 1471 events. 621/1471 cut-off events. For 57920/57932 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10478 event pairs, 2 based on Foata normal form. 13/1279 useless extension candidates. Maximal degree in co-relation 15110. Up to 798 conditions per place. [2021-03-26 15:02:53,881 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 495 selfloop transitions, 83 changer transitions 0/596 dead transitions. [2021-03-26 15:02:53,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 596 transitions, 17421 flow [2021-03-26 15:02:53,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:02:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:02:53,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 846 transitions. [2021-03-26 15:02:53,883 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4988207547169811 [2021-03-26 15:02:53,883 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 846 transitions. [2021-03-26 15:02:53,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 846 transitions. [2021-03-26 15:02:53,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:53,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 846 transitions. [2021-03-26 15:02:53,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.875) internal successors, (846), 16 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:53,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:53,884 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:53,884 INFO L185 Difference]: Start difference. First operand has 418 places, 584 transitions, 16142 flow. Second operand 16 states and 846 transitions. [2021-03-26 15:02:53,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 596 transitions, 17421 flow [2021-03-26 15:02:54,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 596 transitions, 17198 flow, removed 22 selfloop flow, removed 13 redundant places. [2021-03-26 15:02:54,260 INFO L241 Difference]: Finished difference. Result has 423 places, 586 transitions, 16174 flow [2021-03-26 15:02:54,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=15919, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16174, PETRI_PLACES=423, PETRI_TRANSITIONS=586} [2021-03-26 15:02:54,260 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 370 predicate places. [2021-03-26 15:02:54,260 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:54,261 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 586 transitions, 16174 flow [2021-03-26 15:02:54,261 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 586 transitions, 16174 flow [2021-03-26 15:02:54,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 586 transitions, 16174 flow [2021-03-26 15:02:54,482 INFO L129 PetriNetUnfolder]: 561/1372 cut-off events. [2021-03-26 15:02:54,482 INFO L130 PetriNetUnfolder]: For 56453/56490 co-relation queries the response was YES. [2021-03-26 15:02:54,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14006 conditions, 1372 events. 561/1372 cut-off events. For 56453/56490 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9917 event pairs, 9 based on Foata normal form. 5/1181 useless extension candidates. Maximal degree in co-relation 13672. Up to 368 conditions per place. [2021-03-26 15:02:54,511 INFO L142 LiptonReduction]: Number of co-enabled transitions 2606 [2021-03-26 15:02:54,550 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:54,550 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:54,550 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 290 [2021-03-26 15:02:54,551 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 586 transitions, 16174 flow [2021-03-26 15:02:54,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:54,551 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:54,551 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:54,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-26 15:02:54,551 INFO L428 AbstractCegarLoop]: === Iteration 86 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:54,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:54,551 INFO L82 PathProgramCache]: Analyzing trace with hash -4231592, now seen corresponding path program 27 times [2021-03-26 15:02:54,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:54,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083176233] [2021-03-26 15:02:54,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:54,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:54,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:54,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:54,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:54,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:54,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:54,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:54,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:54,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:54,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:54,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:54,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:54,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:54,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:54,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:54,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:54,648 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:54,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:54,671 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:54,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:54,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083176233] [2021-03-26 15:02:54,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:54,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:54,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231914368] [2021-03-26 15:02:54,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:54,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:54,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:54,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:54,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:54,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 586 transitions, 16174 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:54,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:54,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:54,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:55,375 INFO L129 PetriNetUnfolder]: 621/1479 cut-off events. [2021-03-26 15:02:55,375 INFO L130 PetriNetUnfolder]: For 58575/58579 co-relation queries the response was YES. [2021-03-26 15:02:55,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15665 conditions, 1479 events. 621/1479 cut-off events. For 58575/58579 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 10540 event pairs, 5 based on Foata normal form. 6/1282 useless extension candidates. Maximal degree in co-relation 15309. Up to 779 conditions per place. [2021-03-26 15:02:55,398 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 470 selfloop transitions, 88 changer transitions 36/612 dead transitions. [2021-03-26 15:02:55,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 612 transitions, 17937 flow [2021-03-26 15:02:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:02:55,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:02:55,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 857 transitions. [2021-03-26 15:02:55,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5053066037735849 [2021-03-26 15:02:55,400 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 857 transitions. [2021-03-26 15:02:55,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 857 transitions. [2021-03-26 15:02:55,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:55,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 857 transitions. [2021-03-26 15:02:55,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.5625) internal successors, (857), 16 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:55,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:55,402 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 106.0) internal successors, (1802), 17 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:55,402 INFO L185 Difference]: Start difference. First operand has 423 places, 586 transitions, 16174 flow. Second operand 16 states and 857 transitions. [2021-03-26 15:02:55,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 612 transitions, 17937 flow [2021-03-26 15:02:55,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 612 transitions, 17713 flow, removed 40 selfloop flow, removed 11 redundant places. [2021-03-26 15:02:55,771 INFO L241 Difference]: Finished difference. Result has 431 places, 562 transitions, 15652 flow [2021-03-26 15:02:55,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=15950, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=500, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=15652, PETRI_PLACES=431, PETRI_TRANSITIONS=562} [2021-03-26 15:02:55,771 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 378 predicate places. [2021-03-26 15:02:55,771 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:55,771 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 431 places, 562 transitions, 15652 flow [2021-03-26 15:02:55,771 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 431 places, 562 transitions, 15652 flow [2021-03-26 15:02:55,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 427 places, 562 transitions, 15652 flow [2021-03-26 15:02:55,961 INFO L129 PetriNetUnfolder]: 517/1235 cut-off events. [2021-03-26 15:02:55,961 INFO L130 PetriNetUnfolder]: For 57680/57717 co-relation queries the response was YES. [2021-03-26 15:02:55,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13352 conditions, 1235 events. 517/1235 cut-off events. For 57680/57717 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8563 event pairs, 6 based on Foata normal form. 5/1072 useless extension candidates. Maximal degree in co-relation 13090. Up to 353 conditions per place. [2021-03-26 15:02:55,988 INFO L142 LiptonReduction]: Number of co-enabled transitions 2356 [2021-03-26 15:02:56,023 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:56,023 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:56,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 252 [2021-03-26 15:02:56,024 INFO L480 AbstractCegarLoop]: Abstraction has has 427 places, 562 transitions, 15652 flow [2021-03-26 15:02:56,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:56,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:56,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:56,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-26 15:02:56,024 INFO L428 AbstractCegarLoop]: === Iteration 87 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:56,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:56,024 INFO L82 PathProgramCache]: Analyzing trace with hash 555645380, now seen corresponding path program 28 times [2021-03-26 15:02:56,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:56,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507726014] [2021-03-26 15:02:56,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:56,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:56,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:56,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:56,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:56,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:56,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:56,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:56,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:56,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:56,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:56,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:56,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:56,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:56,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:56,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:56,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:56,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:56,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:56,118 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:56,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:56,123 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:02:56,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:56,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:56,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507726014] [2021-03-26 15:02:56,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:56,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:02:56,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117193424] [2021-03-26 15:02:56,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:02:56,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:56,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:02:56,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:02:56,126 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:56,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 562 transitions, 15652 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:56,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:56,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:56,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:56,699 INFO L129 PetriNetUnfolder]: 586/1343 cut-off events. [2021-03-26 15:02:56,699 INFO L130 PetriNetUnfolder]: For 58327/58333 co-relation queries the response was YES. [2021-03-26 15:02:56,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15048 conditions, 1343 events. 586/1343 cut-off events. For 58327/58333 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9136 event pairs, 2 based on Foata normal form. 7/1177 useless extension candidates. Maximal degree in co-relation 14800. Up to 789 conditions per place. [2021-03-26 15:02:56,720 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 496 selfloop transitions, 56 changer transitions 0/570 dead transitions. [2021-03-26 15:02:56,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 570 transitions, 16804 flow [2021-03-26 15:02:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:02:56,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:02:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 590 transitions. [2021-03-26 15:02:56,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5060034305317325 [2021-03-26 15:02:56,721 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 590 transitions. [2021-03-26 15:02:56,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 590 transitions. [2021-03-26 15:02:56,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:56,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 590 transitions. [2021-03-26 15:02:56,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.63636363636363) internal successors, (590), 11 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:56,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 106.0) internal successors, (1272), 12 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:56,722 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 106.0) internal successors, (1272), 12 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:56,722 INFO L185 Difference]: Start difference. First operand has 427 places, 562 transitions, 15652 flow. Second operand 11 states and 590 transitions. [2021-03-26 15:02:56,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 570 transitions, 16804 flow [2021-03-26 15:02:57,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 570 transitions, 16137 flow, removed 175 selfloop flow, removed 32 redundant places. [2021-03-26 15:02:57,083 INFO L241 Difference]: Finished difference. Result has 406 places, 562 transitions, 15116 flow [2021-03-26 15:02:57,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=14985, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15116, PETRI_PLACES=406, PETRI_TRANSITIONS=562} [2021-03-26 15:02:57,084 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 353 predicate places. [2021-03-26 15:02:57,084 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:57,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 562 transitions, 15116 flow [2021-03-26 15:02:57,084 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 562 transitions, 15116 flow [2021-03-26 15:02:57,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 406 places, 562 transitions, 15116 flow [2021-03-26 15:02:57,300 INFO L129 PetriNetUnfolder]: 514/1223 cut-off events. [2021-03-26 15:02:57,301 INFO L130 PetriNetUnfolder]: For 51008/51032 co-relation queries the response was YES. [2021-03-26 15:02:57,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12882 conditions, 1223 events. 514/1223 cut-off events. For 51008/51032 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8404 event pairs, 10 based on Foata normal form. 6/1067 useless extension candidates. Maximal degree in co-relation 12636. Up to 354 conditions per place. [2021-03-26 15:02:57,325 INFO L142 LiptonReduction]: Number of co-enabled transitions 2356 [2021-03-26 15:02:57,359 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:57,359 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:02:57,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 275 [2021-03-26 15:02:57,360 INFO L480 AbstractCegarLoop]: Abstraction has has 406 places, 562 transitions, 15116 flow [2021-03-26 15:02:57,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:57,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:57,360 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:57,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-26 15:02:57,360 INFO L428 AbstractCegarLoop]: === Iteration 88 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:57,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:57,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1547442712, now seen corresponding path program 29 times [2021-03-26 15:02:57,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:57,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831986277] [2021-03-26 15:02:57,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:57,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:57,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:57,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:57,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:57,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:57,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:57,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:57,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:57,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:57,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:57,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:57,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:57,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:57,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:57,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:57,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:57,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:57,443 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:57,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:57,457 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:57,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:57,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831986277] [2021-03-26 15:02:57,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:57,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:02:57,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022930811] [2021-03-26 15:02:57,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:02:57,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:57,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:02:57,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:02:57,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 106 [2021-03-26 15:02:57,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 562 transitions, 15116 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:57,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:57,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 106 [2021-03-26 15:02:57,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:58,116 INFO L129 PetriNetUnfolder]: 605/1397 cut-off events. [2021-03-26 15:02:58,116 INFO L130 PetriNetUnfolder]: For 56326/56336 co-relation queries the response was YES. [2021-03-26 15:02:58,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15049 conditions, 1397 events. 605/1397 cut-off events. For 56326/56336 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9664 event pairs, 11 based on Foata normal form. 11/1224 useless extension candidates. Maximal degree in co-relation 14794. Up to 687 conditions per place. [2021-03-26 15:02:58,137 INFO L132 encePairwiseOnDemand]: 89/106 looper letters, 362 selfloop transitions, 184 changer transitions 31/595 dead transitions. [2021-03-26 15:02:58,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 595 transitions, 17314 flow [2021-03-26 15:02:58,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 822 transitions. [2021-03-26 15:02:58,139 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5169811320754717 [2021-03-26 15:02:58,139 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 822 transitions. [2021-03-26 15:02:58,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 822 transitions. [2021-03-26 15:02:58,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:58,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 822 transitions. [2021-03-26 15:02:58,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.8) internal successors, (822), 15 states have internal predecessors, (822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:58,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:58,140 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 106.0) internal successors, (1696), 16 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:58,140 INFO L185 Difference]: Start difference. First operand has 406 places, 562 transitions, 15116 flow. Second operand 15 states and 822 transitions. [2021-03-26 15:02:58,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 595 transitions, 17314 flow [2021-03-26 15:02:58,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 595 transitions, 17196 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-03-26 15:02:58,444 INFO L241 Difference]: Finished difference. Result has 419 places, 551 transitions, 15387 flow [2021-03-26 15:02:58,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, PETRI_DIFFERENCE_MINUEND_FLOW=15004, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15387, PETRI_PLACES=419, PETRI_TRANSITIONS=551} [2021-03-26 15:02:58,445 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 366 predicate places. [2021-03-26 15:02:58,445 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:58,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 419 places, 551 transitions, 15387 flow [2021-03-26 15:02:58,445 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 419 places, 551 transitions, 15387 flow [2021-03-26 15:02:58,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 416 places, 551 transitions, 15387 flow [2021-03-26 15:02:58,621 INFO L129 PetriNetUnfolder]: 493/1149 cut-off events. [2021-03-26 15:02:58,621 INFO L130 PetriNetUnfolder]: For 56467/56495 co-relation queries the response was YES. [2021-03-26 15:02:58,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13155 conditions, 1149 events. 493/1149 cut-off events. For 56467/56495 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7718 event pairs, 11 based on Foata normal form. 5/1017 useless extension candidates. Maximal degree in co-relation 12900. Up to 351 conditions per place. [2021-03-26 15:02:58,645 INFO L142 LiptonReduction]: Number of co-enabled transitions 2266 [2021-03-26 15:02:58,751 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:02:58,751 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:02:58,751 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 306 [2021-03-26 15:02:58,751 INFO L480 AbstractCegarLoop]: Abstraction has has 416 places, 551 transitions, 15388 flow [2021-03-26 15:02:58,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:58,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:02:58,751 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:02:58,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-26 15:02:58,751 INFO L428 AbstractCegarLoop]: === Iteration 89 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:02:58,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:02:58,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1948731310, now seen corresponding path program 30 times [2021-03-26 15:02:58,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:02:58,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168666996] [2021-03-26 15:02:58,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:02:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:02:58,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:58,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:02:58,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:58,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:02:58,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:58,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:58,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:58,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:58,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:58,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:58,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:58,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:58,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:58,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:02:58,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:58,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:58,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:02:58,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:02:58,850 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:02:58,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:02:58,876 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:02:58,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:02:58,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:02:58,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168666996] [2021-03-26 15:02:58,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:02:58,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:02:58,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765957084] [2021-03-26 15:02:58,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:02:58,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:02:58,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:02:58,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:02:58,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 107 [2021-03-26 15:02:58,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 551 transitions, 15388 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:58,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:02:58,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 107 [2021-03-26 15:02:58,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:02:59,518 INFO L129 PetriNetUnfolder]: 588/1347 cut-off events. [2021-03-26 15:02:59,518 INFO L130 PetriNetUnfolder]: For 59728/59734 co-relation queries the response was YES. [2021-03-26 15:02:59,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15087 conditions, 1347 events. 588/1347 cut-off events. For 59728/59734 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9135 event pairs, 5 based on Foata normal form. 7/1183 useless extension candidates. Maximal degree in co-relation 14804. Up to 754 conditions per place. [2021-03-26 15:02:59,539 INFO L132 encePairwiseOnDemand]: 91/107 looper letters, 474 selfloop transitions, 86 changer transitions 0/578 dead transitions. [2021-03-26 15:02:59,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 578 transitions, 17062 flow [2021-03-26 15:02:59,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:02:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:02:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 790 transitions. [2021-03-26 15:02:59,540 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49221183800623053 [2021-03-26 15:02:59,540 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 790 transitions. [2021-03-26 15:02:59,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 790 transitions. [2021-03-26 15:02:59,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:02:59,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 790 transitions. [2021-03-26 15:02:59,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.666666666666664) internal successors, (790), 15 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:59,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 107.0) internal successors, (1712), 16 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:59,543 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 107.0) internal successors, (1712), 16 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:02:59,543 INFO L185 Difference]: Start difference. First operand has 416 places, 551 transitions, 15388 flow. Second operand 15 states and 790 transitions. [2021-03-26 15:02:59,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 578 transitions, 17062 flow [2021-03-26 15:02:59,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 578 transitions, 15668 flow, removed 174 selfloop flow, removed 37 redundant places. [2021-03-26 15:02:59,929 INFO L241 Difference]: Finished difference. Result has 398 places, 564 transitions, 14589 flow [2021-03-26 15:02:59,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=14025, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=14589, PETRI_PLACES=398, PETRI_TRANSITIONS=564} [2021-03-26 15:02:59,930 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 345 predicate places. [2021-03-26 15:02:59,930 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:02:59,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 564 transitions, 14589 flow [2021-03-26 15:02:59,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 564 transitions, 14589 flow [2021-03-26 15:02:59,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 564 transitions, 14589 flow [2021-03-26 15:03:00,108 INFO L129 PetriNetUnfolder]: 527/1255 cut-off events. [2021-03-26 15:03:00,108 INFO L130 PetriNetUnfolder]: For 47306/47339 co-relation queries the response was YES. [2021-03-26 15:03:00,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12654 conditions, 1255 events. 527/1255 cut-off events. For 47306/47339 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 8774 event pairs, 2 based on Foata normal form. 4/1089 useless extension candidates. Maximal degree in co-relation 12390. Up to 358 conditions per place. [2021-03-26 15:03:00,134 INFO L142 LiptonReduction]: Number of co-enabled transitions 2368 [2021-03-26 15:03:00,168 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:00,168 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:00,168 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 238 [2021-03-26 15:03:00,169 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 564 transitions, 14589 flow [2021-03-26 15:03:00,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:00,169 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:00,169 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:00,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-26 15:03:00,169 INFO L428 AbstractCegarLoop]: === Iteration 90 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:00,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:00,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1519275601, now seen corresponding path program 1 times [2021-03-26 15:03:00,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:00,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733262527] [2021-03-26 15:03:00,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:00,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:00,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:00,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:00,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:00,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:00,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:00,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:00,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:00,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:00,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:00,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:00,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:00,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:00,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:00,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:00,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:00,225 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:00,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:00,241 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:00,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:00,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733262527] [2021-03-26 15:03:00,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:00,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:03:00,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713533987] [2021-03-26 15:03:00,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:03:00,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:00,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:03:00,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:03:00,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 107 [2021-03-26 15:03:00,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 564 transitions, 14589 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:00,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:00,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 107 [2021-03-26 15:03:00,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:00,726 INFO L129 PetriNetUnfolder]: 594/1364 cut-off events. [2021-03-26 15:03:00,726 INFO L130 PetriNetUnfolder]: For 53420/53424 co-relation queries the response was YES. [2021-03-26 15:03:00,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14689 conditions, 1364 events. 594/1364 cut-off events. For 53420/53424 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9297 event pairs, 17 based on Foata normal form. 5/1199 useless extension candidates. Maximal degree in co-relation 14415. Up to 709 conditions per place. [2021-03-26 15:03:00,745 INFO L132 encePairwiseOnDemand]: 91/107 looper letters, 390 selfloop transitions, 179 changer transitions 5/592 dead transitions. [2021-03-26 15:03:00,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 592 transitions, 16640 flow [2021-03-26 15:03:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:03:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:03:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 505 transitions. [2021-03-26 15:03:00,746 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5244029075804777 [2021-03-26 15:03:00,747 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 505 transitions. [2021-03-26 15:03:00,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 505 transitions. [2021-03-26 15:03:00,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:00,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 505 transitions. [2021-03-26 15:03:00,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.111111111111114) internal successors, (505), 9 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:00,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 107.0) internal successors, (1070), 10 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:00,748 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 107.0) internal successors, (1070), 10 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:00,748 INFO L185 Difference]: Start difference. First operand has 398 places, 564 transitions, 14589 flow. Second operand 9 states and 505 transitions. [2021-03-26 15:03:00,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 592 transitions, 16640 flow [2021-03-26 15:03:01,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 592 transitions, 16428 flow, removed 47 selfloop flow, removed 13 redundant places. [2021-03-26 15:03:01,088 INFO L241 Difference]: Finished difference. Result has 397 places, 577 transitions, 15569 flow [2021-03-26 15:03:01,089 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=14381, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15569, PETRI_PLACES=397, PETRI_TRANSITIONS=577} [2021-03-26 15:03:01,089 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 344 predicate places. [2021-03-26 15:03:01,089 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:01,089 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 397 places, 577 transitions, 15569 flow [2021-03-26 15:03:01,089 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 397 places, 577 transitions, 15569 flow [2021-03-26 15:03:01,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 396 places, 577 transitions, 15569 flow [2021-03-26 15:03:01,338 INFO L129 PetriNetUnfolder]: 539/1278 cut-off events. [2021-03-26 15:03:01,339 INFO L130 PetriNetUnfolder]: For 53376/53409 co-relation queries the response was YES. [2021-03-26 15:03:01,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13372 conditions, 1278 events. 539/1278 cut-off events. For 53376/53409 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8955 event pairs, 5 based on Foata normal form. 4/1107 useless extension candidates. Maximal degree in co-relation 13090. Up to 366 conditions per place. [2021-03-26 15:03:01,364 INFO L142 LiptonReduction]: Number of co-enabled transitions 2356 [2021-03-26 15:03:01,399 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:01,399 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:01,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 311 [2021-03-26 15:03:01,400 INFO L480 AbstractCegarLoop]: Abstraction has has 396 places, 577 transitions, 15569 flow [2021-03-26 15:03:01,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:01,400 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:01,400 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, 1, 1, 1, 1] [2021-03-26 15:03:01,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-26 15:03:01,400 INFO L428 AbstractCegarLoop]: === Iteration 91 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:01,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:01,400 INFO L82 PathProgramCache]: Analyzing trace with hash 587418106, now seen corresponding path program 31 times [2021-03-26 15:03:01,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:01,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433289434] [2021-03-26 15:03:01,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:01,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:01,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:01,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:01,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:01,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:01,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:01,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:01,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:01,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:01,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:01,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:01,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:01,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:01,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:01,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:01,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:01,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:01,521 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:01,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:01,541 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:01,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:01,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433289434] [2021-03-26 15:03:01,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:01,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:03:01,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139941973] [2021-03-26 15:03:01,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:03:01,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:01,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:03:01,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:03:01,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 107 [2021-03-26 15:03:01,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 577 transitions, 15569 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:01,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:01,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 107 [2021-03-26 15:03:01,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:02,244 INFO L129 PetriNetUnfolder]: 604/1406 cut-off events. [2021-03-26 15:03:02,244 INFO L130 PetriNetUnfolder]: For 56041/56045 co-relation queries the response was YES. [2021-03-26 15:03:02,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15048 conditions, 1406 events. 604/1406 cut-off events. For 56041/56045 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9681 event pairs, 19 based on Foata normal form. 5/1227 useless extension candidates. Maximal degree in co-relation 14745. Up to 776 conditions per place. [2021-03-26 15:03:02,304 INFO L132 encePairwiseOnDemand]: 90/107 looper letters, 485 selfloop transitions, 80 changer transitions 13/596 dead transitions. [2021-03-26 15:03:02,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 596 transitions, 16950 flow [2021-03-26 15:03:02,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:03:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:03:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 795 transitions. [2021-03-26 15:03:02,305 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4953271028037383 [2021-03-26 15:03:02,305 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 795 transitions. [2021-03-26 15:03:02,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 795 transitions. [2021-03-26 15:03:02,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:02,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 795 transitions. [2021-03-26 15:03:02,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.0) internal successors, (795), 15 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:02,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 107.0) internal successors, (1712), 16 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:02,306 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 107.0) internal successors, (1712), 16 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:02,306 INFO L185 Difference]: Start difference. First operand has 396 places, 577 transitions, 15569 flow. Second operand 15 states and 795 transitions. [2021-03-26 15:03:02,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 596 transitions, 16950 flow [2021-03-26 15:03:02,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 596 transitions, 16746 flow, removed 63 selfloop flow, removed 5 redundant places. [2021-03-26 15:03:02,622 INFO L241 Difference]: Finished difference. Result has 408 places, 569 transitions, 15423 flow [2021-03-26 15:03:02,622 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=15367, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=15423, PETRI_PLACES=408, PETRI_TRANSITIONS=569} [2021-03-26 15:03:02,622 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 355 predicate places. [2021-03-26 15:03:02,622 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:02,623 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 408 places, 569 transitions, 15423 flow [2021-03-26 15:03:02,623 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 408 places, 569 transitions, 15423 flow [2021-03-26 15:03:02,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 407 places, 569 transitions, 15423 flow [2021-03-26 15:03:02,808 INFO L129 PetriNetUnfolder]: 529/1266 cut-off events. [2021-03-26 15:03:02,808 INFO L130 PetriNetUnfolder]: For 52333/52366 co-relation queries the response was YES. [2021-03-26 15:03:02,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13319 conditions, 1266 events. 529/1266 cut-off events. For 52333/52366 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8839 event pairs, 7 based on Foata normal form. 4/1099 useless extension candidates. Maximal degree in co-relation 13067. Up to 361 conditions per place. [2021-03-26 15:03:02,833 INFO L142 LiptonReduction]: Number of co-enabled transitions 2312 [2021-03-26 15:03:02,868 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:02,868 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:02,868 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 246 [2021-03-26 15:03:02,868 INFO L480 AbstractCegarLoop]: Abstraction has has 407 places, 569 transitions, 15423 flow [2021-03-26 15:03:02,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:02,868 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:02,868 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:02,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-26 15:03:02,869 INFO L428 AbstractCegarLoop]: === Iteration 92 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:02,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:02,869 INFO L82 PathProgramCache]: Analyzing trace with hash 490803904, now seen corresponding path program 32 times [2021-03-26 15:03:02,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:02,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288427104] [2021-03-26 15:03:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:02,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:02,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:02,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:02,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:02,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:02,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:02,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:02,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:02,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:02,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:02,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:02,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:02,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:02,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:02,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:02,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:02,958 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:02,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:02,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:02,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:02,982 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:02,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:02,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288427104] [2021-03-26 15:03:02,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:02,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:02,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342994196] [2021-03-26 15:03:02,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:02,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:02,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:02,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:02,985 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 107 [2021-03-26 15:03:02,986 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 569 transitions, 15423 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:02,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:02,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 107 [2021-03-26 15:03:02,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:03,702 INFO L129 PetriNetUnfolder]: 610/1420 cut-off events. [2021-03-26 15:03:03,702 INFO L130 PetriNetUnfolder]: For 57706/57710 co-relation queries the response was YES. [2021-03-26 15:03:03,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15232 conditions, 1420 events. 610/1420 cut-off events. For 57706/57710 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9882 event pairs, 13 based on Foata normal form. 7/1239 useless extension candidates. Maximal degree in co-relation 14973. Up to 726 conditions per place. [2021-03-26 15:03:03,723 INFO L132 encePairwiseOnDemand]: 90/107 looper letters, 394 selfloop transitions, 176 changer transitions 9/597 dead transitions. [2021-03-26 15:03:03,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 597 transitions, 17231 flow [2021-03-26 15:03:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:03:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:03:03,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 869 transitions. [2021-03-26 15:03:03,724 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5075934579439252 [2021-03-26 15:03:03,724 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 869 transitions. [2021-03-26 15:03:03,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 869 transitions. [2021-03-26 15:03:03,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:03,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 869 transitions. [2021-03-26 15:03:03,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.3125) internal successors, (869), 16 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:03,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 107.0) internal successors, (1819), 17 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:03,726 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 107.0) internal successors, (1819), 17 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:03,726 INFO L185 Difference]: Start difference. First operand has 407 places, 569 transitions, 15423 flow. Second operand 16 states and 869 transitions. [2021-03-26 15:03:03,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 597 transitions, 17231 flow [2021-03-26 15:03:04,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 597 transitions, 17061 flow, removed 10 selfloop flow, removed 12 redundant places. [2021-03-26 15:03:04,045 INFO L241 Difference]: Finished difference. Result has 413 places, 575 transitions, 15962 flow [2021-03-26 15:03:04,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=15257, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=569, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=15962, PETRI_PLACES=413, PETRI_TRANSITIONS=575} [2021-03-26 15:03:04,046 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 360 predicate places. [2021-03-26 15:03:04,046 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:04,046 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 575 transitions, 15962 flow [2021-03-26 15:03:04,046 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 575 transitions, 15962 flow [2021-03-26 15:03:04,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 413 places, 575 transitions, 15962 flow [2021-03-26 15:03:04,235 INFO L129 PetriNetUnfolder]: 527/1250 cut-off events. [2021-03-26 15:03:04,235 INFO L130 PetriNetUnfolder]: For 55835/55869 co-relation queries the response was YES. [2021-03-26 15:03:04,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13497 conditions, 1250 events. 527/1250 cut-off events. For 55835/55869 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8666 event pairs, 8 based on Foata normal form. 5/1089 useless extension candidates. Maximal degree in co-relation 13221. Up to 368 conditions per place. [2021-03-26 15:03:04,260 INFO L142 LiptonReduction]: Number of co-enabled transitions 2332 [2021-03-26 15:03:04,296 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:04,296 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:04,296 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 250 [2021-03-26 15:03:04,297 INFO L480 AbstractCegarLoop]: Abstraction has has 413 places, 575 transitions, 15962 flow [2021-03-26 15:03:04,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:04,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:04,297 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:04,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-26 15:03:04,297 INFO L428 AbstractCegarLoop]: === Iteration 93 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:04,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:04,297 INFO L82 PathProgramCache]: Analyzing trace with hash 52045488, now seen corresponding path program 33 times [2021-03-26 15:03:04,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:04,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617777328] [2021-03-26 15:03:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:04,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:04,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:04,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:04,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:04,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:04,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:04,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:04,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:04,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:04,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:04,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:04,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:04,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:04,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:04,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:04,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:04,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:04,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:04,389 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:04,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:04,404 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:04,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:04,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617777328] [2021-03-26 15:03:04,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:04,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:03:04,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767094898] [2021-03-26 15:03:04,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:03:04,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:04,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:03:04,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:03:04,407 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 107 [2021-03-26 15:03:04,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 575 transitions, 15962 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:04,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:04,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 107 [2021-03-26 15:03:04,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:05,169 INFO L129 PetriNetUnfolder]: 607/1388 cut-off events. [2021-03-26 15:03:05,169 INFO L130 PetriNetUnfolder]: For 59069/59079 co-relation queries the response was YES. [2021-03-26 15:03:05,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15793 conditions, 1388 events. 607/1388 cut-off events. For 59069/59079 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9459 event pairs, 12 based on Foata normal form. 12/1230 useless extension candidates. Maximal degree in co-relation 15506. Up to 720 conditions per place. [2021-03-26 15:03:05,191 INFO L132 encePairwiseOnDemand]: 90/107 looper letters, 374 selfloop transitions, 203 changer transitions 20/615 dead transitions. [2021-03-26 15:03:05,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 615 transitions, 18312 flow [2021-03-26 15:03:05,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 15:03:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 15:03:05,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 969 transitions. [2021-03-26 15:03:05,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5031152647975078 [2021-03-26 15:03:05,193 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 969 transitions. [2021-03-26 15:03:05,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 969 transitions. [2021-03-26 15:03:05,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:05,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 969 transitions. [2021-03-26 15:03:05,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 53.833333333333336) internal successors, (969), 18 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:05,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 107.0) internal successors, (2033), 19 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:05,195 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 107.0) internal successors, (2033), 19 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:05,195 INFO L185 Difference]: Start difference. First operand has 413 places, 575 transitions, 15962 flow. Second operand 18 states and 969 transitions. [2021-03-26 15:03:05,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 615 transitions, 18312 flow [2021-03-26 15:03:05,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 615 transitions, 17732 flow, removed 158 selfloop flow, removed 13 redundant places. [2021-03-26 15:03:05,547 INFO L241 Difference]: Finished difference. Result has 425 places, 584 transitions, 16366 flow [2021-03-26 15:03:05,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=15503, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=16366, PETRI_PLACES=425, PETRI_TRANSITIONS=584} [2021-03-26 15:03:05,548 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 372 predicate places. [2021-03-26 15:03:05,548 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:05,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 425 places, 584 transitions, 16366 flow [2021-03-26 15:03:05,548 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 425 places, 584 transitions, 16366 flow [2021-03-26 15:03:05,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 421 places, 584 transitions, 16366 flow [2021-03-26 15:03:05,768 INFO L129 PetriNetUnfolder]: 533/1247 cut-off events. [2021-03-26 15:03:05,768 INFO L130 PetriNetUnfolder]: For 56615/56649 co-relation queries the response was YES. [2021-03-26 15:03:05,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13848 conditions, 1247 events. 533/1247 cut-off events. For 56615/56649 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8590 event pairs, 5 based on Foata normal form. 5/1090 useless extension candidates. Maximal degree in co-relation 13589. Up to 389 conditions per place. [2021-03-26 15:03:05,795 INFO L142 LiptonReduction]: Number of co-enabled transitions 2292 [2021-03-26 15:03:05,905 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:05,905 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:03:05,905 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 357 [2021-03-26 15:03:05,906 INFO L480 AbstractCegarLoop]: Abstraction has has 421 places, 584 transitions, 16371 flow [2021-03-26 15:03:05,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:05,906 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:05,906 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:05,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-26 15:03:05,906 INFO L428 AbstractCegarLoop]: === Iteration 94 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:05,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:05,906 INFO L82 PathProgramCache]: Analyzing trace with hash -700213506, now seen corresponding path program 34 times [2021-03-26 15:03:05,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:05,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506986427] [2021-03-26 15:03:05,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:05,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:05,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:05,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:05,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:05,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:05,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:05,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:05,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:05,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:05,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:05,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:05,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:05,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:05,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:05,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:05,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:05,986 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:05,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:05,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:05,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:06,006 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:06,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:06,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506986427] [2021-03-26 15:03:06,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:06,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:06,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652574273] [2021-03-26 15:03:06,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:06,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:06,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:06,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:06,010 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 108 [2021-03-26 15:03:06,010 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 584 transitions, 16371 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:06,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:06,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 108 [2021-03-26 15:03:06,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:06,685 INFO L129 PetriNetUnfolder]: 596/1356 cut-off events. [2021-03-26 15:03:06,685 INFO L130 PetriNetUnfolder]: For 58636/58642 co-relation queries the response was YES. [2021-03-26 15:03:06,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15614 conditions, 1356 events. 596/1356 cut-off events. For 58636/58642 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9252 event pairs, 4 based on Foata normal form. 8/1199 useless extension candidates. Maximal degree in co-relation 15336. Up to 697 conditions per place. [2021-03-26 15:03:06,706 INFO L132 encePairwiseOnDemand]: 91/108 looper letters, 369 selfloop transitions, 212 changer transitions 0/599 dead transitions. [2021-03-26 15:03:06,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 599 transitions, 17753 flow [2021-03-26 15:03:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 714 transitions. [2021-03-26 15:03:06,707 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5085470085470085 [2021-03-26 15:03:06,707 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 714 transitions. [2021-03-26 15:03:06,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 714 transitions. [2021-03-26 15:03:06,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:06,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 714 transitions. [2021-03-26 15:03:06,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.92307692307692) internal successors, (714), 13 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:06,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:06,708 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 108.0) internal successors, (1512), 14 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:06,709 INFO L185 Difference]: Start difference. First operand has 421 places, 584 transitions, 16371 flow. Second operand 13 states and 714 transitions. [2021-03-26 15:03:06,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 599 transitions, 17753 flow [2021-03-26 15:03:07,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 599 transitions, 17015 flow, removed 240 selfloop flow, removed 25 redundant places. [2021-03-26 15:03:07,093 INFO L241 Difference]: Finished difference. Result has 410 places, 586 transitions, 16299 flow [2021-03-26 15:03:07,093 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=15637, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=584, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16299, PETRI_PLACES=410, PETRI_TRANSITIONS=586} [2021-03-26 15:03:07,094 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 357 predicate places. [2021-03-26 15:03:07,094 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:07,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 586 transitions, 16299 flow [2021-03-26 15:03:07,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 586 transitions, 16299 flow [2021-03-26 15:03:07,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 410 places, 586 transitions, 16299 flow [2021-03-26 15:03:07,289 INFO L129 PetriNetUnfolder]: 538/1265 cut-off events. [2021-03-26 15:03:07,289 INFO L130 PetriNetUnfolder]: For 56463/56496 co-relation queries the response was YES. [2021-03-26 15:03:07,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13995 conditions, 1265 events. 538/1265 cut-off events. For 56463/56496 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8794 event pairs, 7 based on Foata normal form. 4/1102 useless extension candidates. Maximal degree in co-relation 13745. Up to 383 conditions per place. [2021-03-26 15:03:07,316 INFO L142 LiptonReduction]: Number of co-enabled transitions 2320 [2021-03-26 15:03:07,362 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:07,362 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:07,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-03-26 15:03:07,362 INFO L480 AbstractCegarLoop]: Abstraction has has 410 places, 586 transitions, 16299 flow [2021-03-26 15:03:07,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:07,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:07,363 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:07,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-26 15:03:07,363 INFO L428 AbstractCegarLoop]: === Iteration 95 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:07,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:07,363 INFO L82 PathProgramCache]: Analyzing trace with hash -314628374, now seen corresponding path program 1 times [2021-03-26 15:03:07,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:07,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684887014] [2021-03-26 15:03:07,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:07,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:07,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:07,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:07,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:07,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:07,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:07,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:07,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:07,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:07,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:07,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:07,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:07,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:07,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:07,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:07,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:07,429 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:07,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:07,440 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:07,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:07,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684887014] [2021-03-26 15:03:07,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:07,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:03:07,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647654143] [2021-03-26 15:03:07,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:03:07,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:07,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:03:07,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:03:07,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 108 [2021-03-26 15:03:07,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 586 transitions, 16299 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:07,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:07,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 108 [2021-03-26 15:03:07,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:08,028 INFO L129 PetriNetUnfolder]: 607/1387 cut-off events. [2021-03-26 15:03:08,028 INFO L130 PetriNetUnfolder]: For 60832/60836 co-relation queries the response was YES. [2021-03-26 15:03:08,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15654 conditions, 1387 events. 607/1387 cut-off events. For 60832/60836 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 9476 event pairs, 6 based on Foata normal form. 5/1215 useless extension candidates. Maximal degree in co-relation 15385. Up to 688 conditions per place. [2021-03-26 15:03:08,047 INFO L132 encePairwiseOnDemand]: 92/108 looper letters, 357 selfloop transitions, 216 changer transitions 7/598 dead transitions. [2021-03-26 15:03:08,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 598 transitions, 17651 flow [2021-03-26 15:03:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:03:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:03:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 509 transitions. [2021-03-26 15:03:08,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5236625514403292 [2021-03-26 15:03:08,048 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 509 transitions. [2021-03-26 15:03:08,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 509 transitions. [2021-03-26 15:03:08,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:08,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 509 transitions. [2021-03-26 15:03:08,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.55555555555556) internal successors, (509), 9 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:08,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 108.0) internal successors, (1080), 10 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:08,049 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 108.0) internal successors, (1080), 10 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:08,049 INFO L185 Difference]: Start difference. First operand has 410 places, 586 transitions, 16299 flow. Second operand 9 states and 509 transitions. [2021-03-26 15:03:08,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 598 transitions, 17651 flow [2021-03-26 15:03:08,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 598 transitions, 17440 flow, removed 16 selfloop flow, removed 8 redundant places. [2021-03-26 15:03:08,408 INFO L241 Difference]: Finished difference. Result has 412 places, 580 transitions, 16580 flow [2021-03-26 15:03:08,408 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=16088, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=16580, PETRI_PLACES=412, PETRI_TRANSITIONS=580} [2021-03-26 15:03:08,408 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 359 predicate places. [2021-03-26 15:03:08,408 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:08,408 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 412 places, 580 transitions, 16580 flow [2021-03-26 15:03:08,408 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 412 places, 580 transitions, 16580 flow [2021-03-26 15:03:08,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 411 places, 580 transitions, 16580 flow [2021-03-26 15:03:08,601 INFO L129 PetriNetUnfolder]: 528/1238 cut-off events. [2021-03-26 15:03:08,601 INFO L130 PetriNetUnfolder]: For 57826/57861 co-relation queries the response was YES. [2021-03-26 15:03:08,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14080 conditions, 1238 events. 528/1238 cut-off events. For 57826/57861 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 8486 event pairs, 5 based on Foata normal form. 6/1082 useless extension candidates. Maximal degree in co-relation 13847. Up to 379 conditions per place. [2021-03-26 15:03:08,628 INFO L142 LiptonReduction]: Number of co-enabled transitions 2288 [2021-03-26 15:03:08,665 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:08,665 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:08,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-03-26 15:03:08,665 INFO L480 AbstractCegarLoop]: Abstraction has has 411 places, 580 transitions, 16580 flow [2021-03-26 15:03:08,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:08,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:08,666 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:08,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-26 15:03:08,666 INFO L428 AbstractCegarLoop]: === Iteration 96 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:08,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:08,666 INFO L82 PathProgramCache]: Analyzing trace with hash -803346600, now seen corresponding path program 35 times [2021-03-26 15:03:08,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:08,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035642798] [2021-03-26 15:03:08,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:08,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:08,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:08,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:08,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:08,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:08,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:08,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:08,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:08,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:08,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:08,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:08,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:08,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:08,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:08,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:08,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:08,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:08,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:08,748 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:08,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:08,751 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:08,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:08,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035642798] [2021-03-26 15:03:08,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:08,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:08,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283481867] [2021-03-26 15:03:08,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:08,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:08,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:08,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:08,754 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 108 [2021-03-26 15:03:08,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 580 transitions, 16580 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:08,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:08,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 108 [2021-03-26 15:03:08,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:09,272 INFO L129 PetriNetUnfolder]: 588/1332 cut-off events. [2021-03-26 15:03:09,272 INFO L130 PetriNetUnfolder]: For 60349/60353 co-relation queries the response was YES. [2021-03-26 15:03:09,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15766 conditions, 1332 events. 588/1332 cut-off events. For 60349/60353 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8943 event pairs, 13 based on Foata normal form. 5/1177 useless extension candidates. Maximal degree in co-relation 15516. Up to 822 conditions per place. [2021-03-26 15:03:09,292 INFO L132 encePairwiseOnDemand]: 92/108 looper letters, 526 selfloop transitions, 43 changer transitions 0/587 dead transitions. [2021-03-26 15:03:09,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 587 transitions, 17780 flow [2021-03-26 15:03:09,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:03:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:03:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 583 transitions. [2021-03-26 15:03:09,293 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49074074074074076 [2021-03-26 15:03:09,293 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 583 transitions. [2021-03-26 15:03:09,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 583 transitions. [2021-03-26 15:03:09,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:09,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 583 transitions. [2021-03-26 15:03:09,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.0) internal successors, (583), 11 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:09,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 108.0) internal successors, (1296), 12 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:09,294 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 108.0) internal successors, (1296), 12 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:09,294 INFO L185 Difference]: Start difference. First operand has 411 places, 580 transitions, 16580 flow. Second operand 11 states and 583 transitions. [2021-03-26 15:03:09,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 587 transitions, 17780 flow [2021-03-26 15:03:09,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 587 transitions, 17152 flow, removed 2 selfloop flow, removed 14 redundant places. [2021-03-26 15:03:09,664 INFO L241 Difference]: Finished difference. Result has 409 places, 581 transitions, 16084 flow [2021-03-26 15:03:09,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=15955, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=580, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16084, PETRI_PLACES=409, PETRI_TRANSITIONS=581} [2021-03-26 15:03:09,664 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 356 predicate places. [2021-03-26 15:03:09,664 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:09,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 409 places, 581 transitions, 16084 flow [2021-03-26 15:03:09,664 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 409 places, 581 transitions, 16084 flow [2021-03-26 15:03:09,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 581 transitions, 16084 flow [2021-03-26 15:03:09,854 INFO L129 PetriNetUnfolder]: 523/1234 cut-off events. [2021-03-26 15:03:09,854 INFO L130 PetriNetUnfolder]: For 56986/57020 co-relation queries the response was YES. [2021-03-26 15:03:09,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13710 conditions, 1234 events. 523/1234 cut-off events. For 56986/57020 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8536 event pairs, 7 based on Foata normal form. 5/1082 useless extension candidates. Maximal degree in co-relation 13479. Up to 380 conditions per place. [2021-03-26 15:03:09,879 INFO L142 LiptonReduction]: Number of co-enabled transitions 2290 [2021-03-26 15:03:09,916 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:09,916 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:09,916 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 252 [2021-03-26 15:03:09,916 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 581 transitions, 16084 flow [2021-03-26 15:03:09,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:09,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:09,917 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:09,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-26 15:03:09,917 INFO L428 AbstractCegarLoop]: === Iteration 97 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:09,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:09,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1286574198, now seen corresponding path program 36 times [2021-03-26 15:03:09,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:09,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004760036] [2021-03-26 15:03:09,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:09,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:09,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:09,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:09,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:09,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:09,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:09,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:09,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:09,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:09,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:09,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:09,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:09,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:09,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:09,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:09,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:09,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:09,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:09,995 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:10,010 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:10,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:10,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004760036] [2021-03-26 15:03:10,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:10,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:10,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327869016] [2021-03-26 15:03:10,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:10,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:10,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:10,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:10,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 108 [2021-03-26 15:03:10,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 581 transitions, 16084 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:10,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:10,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 108 [2021-03-26 15:03:10,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:10,675 INFO L129 PetriNetUnfolder]: 604/1393 cut-off events. [2021-03-26 15:03:10,675 INFO L130 PetriNetUnfolder]: For 61603/61609 co-relation queries the response was YES. [2021-03-26 15:03:10,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15665 conditions, 1393 events. 604/1393 cut-off events. For 61603/61609 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9588 event pairs, 6 based on Foata normal form. 8/1222 useless extension candidates. Maximal degree in co-relation 15417. Up to 738 conditions per place. [2021-03-26 15:03:10,696 INFO L132 encePairwiseOnDemand]: 92/108 looper letters, 416 selfloop transitions, 148 changer transitions 13/595 dead transitions. [2021-03-26 15:03:10,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 595 transitions, 17653 flow [2021-03-26 15:03:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:03:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:03:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 654 transitions. [2021-03-26 15:03:10,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5046296296296297 [2021-03-26 15:03:10,697 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 654 transitions. [2021-03-26 15:03:10,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 654 transitions. [2021-03-26 15:03:10,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:10,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 654 transitions. [2021-03-26 15:03:10,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.5) internal successors, (654), 12 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:10,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:10,698 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 108.0) internal successors, (1404), 13 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:10,698 INFO L185 Difference]: Start difference. First operand has 409 places, 581 transitions, 16084 flow. Second operand 12 states and 654 transitions. [2021-03-26 15:03:10,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 595 transitions, 17653 flow [2021-03-26 15:03:11,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 595 transitions, 17581 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-26 15:03:11,113 INFO L241 Difference]: Finished difference. Result has 418 places, 574 transitions, 16246 flow [2021-03-26 15:03:11,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=16012, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=16246, PETRI_PLACES=418, PETRI_TRANSITIONS=574} [2021-03-26 15:03:11,113 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 365 predicate places. [2021-03-26 15:03:11,113 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:11,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 418 places, 574 transitions, 16246 flow [2021-03-26 15:03:11,114 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 418 places, 574 transitions, 16246 flow [2021-03-26 15:03:11,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 574 transitions, 16246 flow [2021-03-26 15:03:11,301 INFO L129 PetriNetUnfolder]: 514/1215 cut-off events. [2021-03-26 15:03:11,301 INFO L130 PetriNetUnfolder]: For 60306/60340 co-relation queries the response was YES. [2021-03-26 15:03:11,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13899 conditions, 1215 events. 514/1215 cut-off events. For 60306/60340 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8356 event pairs, 6 based on Foata normal form. 5/1066 useless extension candidates. Maximal degree in co-relation 13665. Up to 373 conditions per place. [2021-03-26 15:03:11,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 2232 [2021-03-26 15:03:11,363 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:11,364 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:11,364 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 251 [2021-03-26 15:03:11,364 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 574 transitions, 16246 flow [2021-03-26 15:03:11,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:11,364 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:11,364 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:11,364 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-26 15:03:11,364 INFO L428 AbstractCegarLoop]: === Iteration 98 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:11,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:11,364 INFO L82 PathProgramCache]: Analyzing trace with hash -325492000, now seen corresponding path program 37 times [2021-03-26 15:03:11,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:11,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836656879] [2021-03-26 15:03:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:11,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:11,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:11,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:11,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:11,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:11,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:11,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:11,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:11,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:11,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:11,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:11,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:11,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:11,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:11,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:11,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:11,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:11,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:11,446 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:11,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:11,459 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:11,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:11,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836656879] [2021-03-26 15:03:11,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:11,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:11,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638528696] [2021-03-26 15:03:11,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:11,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:11,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:11,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:11,463 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 108 [2021-03-26 15:03:11,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 574 transitions, 16246 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:11,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:11,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 108 [2021-03-26 15:03:11,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:12,092 INFO L129 PetriNetUnfolder]: 595/1366 cut-off events. [2021-03-26 15:03:12,092 INFO L130 PetriNetUnfolder]: For 64433/64439 co-relation queries the response was YES. [2021-03-26 15:03:12,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15903 conditions, 1366 events. 595/1366 cut-off events. For 64433/64439 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9343 event pairs, 5 based on Foata normal form. 8/1202 useless extension candidates. Maximal degree in co-relation 15652. Up to 714 conditions per place. [2021-03-26 15:03:12,114 INFO L132 encePairwiseOnDemand]: 92/108 looper letters, 391 selfloop transitions, 180 changer transitions 0/589 dead transitions. [2021-03-26 15:03:12,114 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 589 transitions, 17948 flow [2021-03-26 15:03:12,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:03:12,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:03:12,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 605 transitions. [2021-03-26 15:03:12,115 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5092592592592593 [2021-03-26 15:03:12,115 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 605 transitions. [2021-03-26 15:03:12,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 605 transitions. [2021-03-26 15:03:12,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:12,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 605 transitions. [2021-03-26 15:03:12,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.0) internal successors, (605), 11 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:12,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 108.0) internal successors, (1296), 12 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:12,116 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 108.0) internal successors, (1296), 12 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:12,117 INFO L185 Difference]: Start difference. First operand has 417 places, 574 transitions, 16246 flow. Second operand 11 states and 605 transitions. [2021-03-26 15:03:12,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 589 transitions, 17948 flow [2021-03-26 15:03:12,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 589 transitions, 17454 flow, removed 28 selfloop flow, removed 15 redundant places. [2021-03-26 15:03:12,513 INFO L241 Difference]: Finished difference. Result has 414 places, 581 transitions, 16757 flow [2021-03-26 15:03:12,513 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=15774, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16757, PETRI_PLACES=414, PETRI_TRANSITIONS=581} [2021-03-26 15:03:12,514 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 361 predicate places. [2021-03-26 15:03:12,514 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:12,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 414 places, 581 transitions, 16757 flow [2021-03-26 15:03:12,514 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 414 places, 581 transitions, 16757 flow [2021-03-26 15:03:12,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 414 places, 581 transitions, 16757 flow [2021-03-26 15:03:12,709 INFO L129 PetriNetUnfolder]: 527/1256 cut-off events. [2021-03-26 15:03:12,709 INFO L130 PetriNetUnfolder]: For 61043/61076 co-relation queries the response was YES. [2021-03-26 15:03:12,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14209 conditions, 1256 events. 527/1256 cut-off events. For 61043/61076 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8748 event pairs, 6 based on Foata normal form. 4/1094 useless extension candidates. Maximal degree in co-relation 13978. Up to 380 conditions per place. [2021-03-26 15:03:12,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 2312 [2021-03-26 15:03:12,772 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:12,772 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:12,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 258 [2021-03-26 15:03:12,772 INFO L480 AbstractCegarLoop]: Abstraction has has 414 places, 581 transitions, 16757 flow [2021-03-26 15:03:12,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:12,772 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:12,772 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:12,772 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-26 15:03:12,772 INFO L428 AbstractCegarLoop]: === Iteration 99 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:12,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:12,772 INFO L82 PathProgramCache]: Analyzing trace with hash 940560710, now seen corresponding path program 38 times [2021-03-26 15:03:12,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:12,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505609148] [2021-03-26 15:03:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:12,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:12,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:12,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:12,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:12,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:12,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:12,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:12,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:12,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:12,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:12,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:12,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:12,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:12,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:12,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:12,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:12,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:12,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:12,864 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:12,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:12,881 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:12,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:12,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505609148] [2021-03-26 15:03:12,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:12,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:03:12,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595249105] [2021-03-26 15:03:12,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:03:12,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:12,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:03:12,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:03:12,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 108 [2021-03-26 15:03:12,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 581 transitions, 16757 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:12,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:12,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 108 [2021-03-26 15:03:12,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:13,585 INFO L129 PetriNetUnfolder]: 615/1431 cut-off events. [2021-03-26 15:03:13,586 INFO L130 PetriNetUnfolder]: For 68415/68427 co-relation queries the response was YES. [2021-03-26 15:03:13,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16451 conditions, 1431 events. 615/1431 cut-off events. For 68415/68427 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10013 event pairs, 5 based on Foata normal form. 14/1258 useless extension candidates. Maximal degree in co-relation 16203. Up to 650 conditions per place. [2021-03-26 15:03:13,608 INFO L132 encePairwiseOnDemand]: 92/108 looper letters, 313 selfloop transitions, 239 changer transitions 45/615 dead transitions. [2021-03-26 15:03:13,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 615 transitions, 19171 flow [2021-03-26 15:03:13,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:03:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:03:13,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 765 transitions. [2021-03-26 15:03:13,609 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5059523809523809 [2021-03-26 15:03:13,609 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 765 transitions. [2021-03-26 15:03:13,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 765 transitions. [2021-03-26 15:03:13,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:13,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 765 transitions. [2021-03-26 15:03:13,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.642857142857146) internal successors, (765), 14 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:13,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:13,610 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 108.0) internal successors, (1620), 15 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:13,610 INFO L185 Difference]: Start difference. First operand has 414 places, 581 transitions, 16757 flow. Second operand 14 states and 765 transitions. [2021-03-26 15:03:13,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 615 transitions, 19171 flow [2021-03-26 15:03:14,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 615 transitions, 18955 flow, removed 56 selfloop flow, removed 8 redundant places. [2021-03-26 15:03:14,066 INFO L241 Difference]: Finished difference. Result has 423 places, 558 transitions, 16726 flow [2021-03-26 15:03:14,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=16541, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=581, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=228, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16726, PETRI_PLACES=423, PETRI_TRANSITIONS=558} [2021-03-26 15:03:14,066 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 370 predicate places. [2021-03-26 15:03:14,066 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:14,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 558 transitions, 16726 flow [2021-03-26 15:03:14,067 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 558 transitions, 16726 flow [2021-03-26 15:03:14,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 420 places, 558 transitions, 16726 flow [2021-03-26 15:03:14,262 INFO L129 PetriNetUnfolder]: 510/1194 cut-off events. [2021-03-26 15:03:14,262 INFO L130 PetriNetUnfolder]: For 65433/65436 co-relation queries the response was YES. [2021-03-26 15:03:14,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14467 conditions, 1194 events. 510/1194 cut-off events. For 65433/65436 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8053 event pairs, 9 based on Foata normal form. 1/1047 useless extension candidates. Maximal degree in co-relation 14229. Up to 370 conditions per place. [2021-03-26 15:03:14,289 INFO L142 LiptonReduction]: Number of co-enabled transitions 2056 [2021-03-26 15:03:14,420 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:03:14,420 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:03:14,420 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 354 [2021-03-26 15:03:14,421 INFO L480 AbstractCegarLoop]: Abstraction has has 420 places, 558 transitions, 16738 flow [2021-03-26 15:03:14,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:14,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:14,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:14,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-26 15:03:14,421 INFO L428 AbstractCegarLoop]: === Iteration 100 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:14,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:14,421 INFO L82 PathProgramCache]: Analyzing trace with hash -617043944, now seen corresponding path program 39 times [2021-03-26 15:03:14,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:14,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215315320] [2021-03-26 15:03:14,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:14,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:14,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:14,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:14,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:14,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:14,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:14,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:14,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:14,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:14,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:14,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:14,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:14,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:14,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:14,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:14,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:14,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:14,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:14,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:14,530 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:14,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:14,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215315320] [2021-03-26 15:03:14,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:14,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:03:14,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317050619] [2021-03-26 15:03:14,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:03:14,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:14,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:03:14,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:03:14,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:14,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 558 transitions, 16738 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:14,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:14,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:14,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:15,184 INFO L129 PetriNetUnfolder]: 572/1300 cut-off events. [2021-03-26 15:03:15,184 INFO L130 PetriNetUnfolder]: For 66233/66243 co-relation queries the response was YES. [2021-03-26 15:03:15,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15954 conditions, 1300 events. 572/1300 cut-off events. For 66233/66243 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8748 event pairs, 5 based on Foata normal form. 11/1153 useless extension candidates. Maximal degree in co-relation 15699. Up to 777 conditions per place. [2021-03-26 15:03:15,204 INFO L132 encePairwiseOnDemand]: 93/110 looper letters, 489 selfloop transitions, 60 changer transitions 3/570 dead transitions. [2021-03-26 15:03:15,204 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 570 transitions, 18045 flow [2021-03-26 15:03:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:03:15,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:03:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 838 transitions. [2021-03-26 15:03:15,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47613636363636364 [2021-03-26 15:03:15,205 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 838 transitions. [2021-03-26 15:03:15,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 838 transitions. [2021-03-26 15:03:15,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:15,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 838 transitions. [2021-03-26 15:03:15,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.375) internal successors, (838), 16 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:15,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 110.0) internal successors, (1870), 17 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:15,207 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 110.0) internal successors, (1870), 17 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:15,207 INFO L185 Difference]: Start difference. First operand has 420 places, 558 transitions, 16738 flow. Second operand 16 states and 838 transitions. [2021-03-26 15:03:15,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 570 transitions, 18045 flow [2021-03-26 15:03:15,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 570 transitions, 16951 flow, removed 238 selfloop flow, removed 20 redundant places. [2021-03-26 15:03:15,590 INFO L241 Difference]: Finished difference. Result has 417 places, 557 transitions, 15778 flow [2021-03-26 15:03:15,590 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=15650, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=15778, PETRI_PLACES=417, PETRI_TRANSITIONS=557} [2021-03-26 15:03:15,590 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 364 predicate places. [2021-03-26 15:03:15,591 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:15,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 417 places, 557 transitions, 15778 flow [2021-03-26 15:03:15,591 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 417 places, 557 transitions, 15778 flow [2021-03-26 15:03:15,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 557 transitions, 15778 flow [2021-03-26 15:03:15,774 INFO L129 PetriNetUnfolder]: 502/1170 cut-off events. [2021-03-26 15:03:15,774 INFO L130 PetriNetUnfolder]: For 55823/55856 co-relation queries the response was YES. [2021-03-26 15:03:15,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13631 conditions, 1170 events. 502/1170 cut-off events. For 55823/55856 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7908 event pairs, 2 based on Foata normal form. 4/1026 useless extension candidates. Maximal degree in co-relation 13394. Up to 365 conditions per place. [2021-03-26 15:03:15,800 INFO L142 LiptonReduction]: Number of co-enabled transitions 2056 [2021-03-26 15:03:15,833 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:15,833 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:15,834 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-03-26 15:03:15,834 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 557 transitions, 15778 flow [2021-03-26 15:03:15,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:15,834 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:15,834 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:15,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-26 15:03:15,834 INFO L428 AbstractCegarLoop]: === Iteration 101 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:15,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:15,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1920078870, now seen corresponding path program 1 times [2021-03-26 15:03:15,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:15,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342475843] [2021-03-26 15:03:15,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:15,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:15,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:15,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:15,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:15,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:15,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:15,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:03:15,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:15,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:03:15,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:15,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:15,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:15,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:15,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:15,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:15,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:15,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:15,953 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:15,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:15,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342475843] [2021-03-26 15:03:15,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:15,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:15,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412138130] [2021-03-26 15:03:15,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:15,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:15,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:15,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:15,957 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:15,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 557 transitions, 15778 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:15,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:15,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:15,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:16,546 INFO L129 PetriNetUnfolder]: 570/1292 cut-off events. [2021-03-26 15:03:16,546 INFO L130 PetriNetUnfolder]: For 58655/58665 co-relation queries the response was YES. [2021-03-26 15:03:16,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15261 conditions, 1292 events. 570/1292 cut-off events. For 58655/58665 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8639 event pairs, 11 based on Foata normal form. 11/1146 useless extension candidates. Maximal degree in co-relation 15007. Up to 785 conditions per place. [2021-03-26 15:03:16,566 INFO L132 encePairwiseOnDemand]: 93/110 looper letters, 478 selfloop transitions, 68 changer transitions 5/569 dead transitions. [2021-03-26 15:03:16,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 569 transitions, 17098 flow [2021-03-26 15:03:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 15:03:16,569 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4846153846153846 [2021-03-26 15:03:16,569 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 15:03:16,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 15:03:16,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:16,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 15:03:16,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:16,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:16,571 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:16,571 INFO L185 Difference]: Start difference. First operand has 417 places, 557 transitions, 15778 flow. Second operand 13 states and 693 transitions. [2021-03-26 15:03:16,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 569 transitions, 17098 flow [2021-03-26 15:03:16,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 569 transitions, 16883 flow, removed 16 selfloop flow, removed 15 redundant places. [2021-03-26 15:03:16,913 INFO L241 Difference]: Finished difference. Result has 416 places, 556 transitions, 15836 flow [2021-03-26 15:03:16,914 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=15565, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15836, PETRI_PLACES=416, PETRI_TRANSITIONS=556} [2021-03-26 15:03:16,914 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 363 predicate places. [2021-03-26 15:03:16,914 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:16,914 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 556 transitions, 15836 flow [2021-03-26 15:03:16,914 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 556 transitions, 15836 flow [2021-03-26 15:03:16,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 414 places, 556 transitions, 15836 flow [2021-03-26 15:03:17,118 INFO L129 PetriNetUnfolder]: 496/1153 cut-off events. [2021-03-26 15:03:17,118 INFO L130 PetriNetUnfolder]: For 57887/57920 co-relation queries the response was YES. [2021-03-26 15:03:17,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13572 conditions, 1153 events. 496/1153 cut-off events. For 57887/57920 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7723 event pairs, 3 based on Foata normal form. 4/1014 useless extension candidates. Maximal degree in co-relation 13338. Up to 362 conditions per place. [2021-03-26 15:03:17,141 INFO L142 LiptonReduction]: Number of co-enabled transitions 2034 [2021-03-26 15:03:17,174 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:17,175 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:17,175 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 261 [2021-03-26 15:03:17,175 INFO L480 AbstractCegarLoop]: Abstraction has has 414 places, 556 transitions, 15836 flow [2021-03-26 15:03:17,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:17,175 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:17,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:17,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-26 15:03:17,175 INFO L428 AbstractCegarLoop]: === Iteration 102 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:17,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:17,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1381196324, now seen corresponding path program 2 times [2021-03-26 15:03:17,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:17,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699387284] [2021-03-26 15:03:17,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:17,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:17,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:17,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:17,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:17,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:17,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:17,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:03:17,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:17,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:03:17,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:17,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:17,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:17,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:17,246 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:17,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:17,259 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:17,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:17,272 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:17,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:17,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699387284] [2021-03-26 15:03:17,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:17,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:17,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421486007] [2021-03-26 15:03:17,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:17,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:17,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:17,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:17,277 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:17,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 556 transitions, 15836 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:17,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:17,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:17,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:17,867 INFO L129 PetriNetUnfolder]: 582/1324 cut-off events. [2021-03-26 15:03:17,867 INFO L130 PetriNetUnfolder]: For 60556/60562 co-relation queries the response was YES. [2021-03-26 15:03:17,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15531 conditions, 1324 events. 582/1324 cut-off events. For 60556/60562 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8907 event pairs, 3 based on Foata normal form. 8/1169 useless extension candidates. Maximal degree in co-relation 15280. Up to 788 conditions per place. [2021-03-26 15:03:17,888 INFO L132 encePairwiseOnDemand]: 93/110 looper letters, 483 selfloop transitions, 75 changer transitions 5/581 dead transitions. [2021-03-26 15:03:17,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 581 transitions, 17601 flow [2021-03-26 15:03:17,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:17,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 694 transitions. [2021-03-26 15:03:17,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4853146853146853 [2021-03-26 15:03:17,889 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 694 transitions. [2021-03-26 15:03:17,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 694 transitions. [2021-03-26 15:03:17,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:17,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 694 transitions. [2021-03-26 15:03:17,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.38461538461539) internal successors, (694), 13 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:17,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:17,890 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:17,891 INFO L185 Difference]: Start difference. First operand has 414 places, 556 transitions, 15836 flow. Second operand 13 states and 694 transitions. [2021-03-26 15:03:17,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 581 transitions, 17601 flow [2021-03-26 15:03:18,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 581 transitions, 17466 flow, removed 6 selfloop flow, removed 12 redundant places. [2021-03-26 15:03:18,251 INFO L241 Difference]: Finished difference. Result has 418 places, 568 transitions, 16322 flow [2021-03-26 15:03:18,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=15703, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16322, PETRI_PLACES=418, PETRI_TRANSITIONS=568} [2021-03-26 15:03:18,252 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 365 predicate places. [2021-03-26 15:03:18,252 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:18,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 418 places, 568 transitions, 16322 flow [2021-03-26 15:03:18,252 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 418 places, 568 transitions, 16322 flow [2021-03-26 15:03:18,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 568 transitions, 16322 flow [2021-03-26 15:03:18,441 INFO L129 PetriNetUnfolder]: 522/1203 cut-off events. [2021-03-26 15:03:18,441 INFO L130 PetriNetUnfolder]: For 58812/58845 co-relation queries the response was YES. [2021-03-26 15:03:18,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14049 conditions, 1203 events. 522/1203 cut-off events. For 58812/58845 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 8081 event pairs, 7 based on Foata normal form. 4/1055 useless extension candidates. Maximal degree in co-relation 13814. Up to 377 conditions per place. [2021-03-26 15:03:18,467 INFO L142 LiptonReduction]: Number of co-enabled transitions 2102 [2021-03-26 15:03:18,503 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:18,503 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:18,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 251 [2021-03-26 15:03:18,503 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 568 transitions, 16322 flow [2021-03-26 15:03:18,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:18,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:18,504 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:18,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-26 15:03:18,504 INFO L428 AbstractCegarLoop]: === Iteration 103 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:18,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:18,504 INFO L82 PathProgramCache]: Analyzing trace with hash 984309520, now seen corresponding path program 1 times [2021-03-26 15:03:18,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:18,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173797959] [2021-03-26 15:03:18,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:18,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:18,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:18,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:18,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:18,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:18,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:18,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:18,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:18,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:18,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:18,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:18,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:18,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:18,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:18,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:18,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:18,598 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:18,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:18,615 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:18,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:18,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173797959] [2021-03-26 15:03:18,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:18,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:18,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034855872] [2021-03-26 15:03:18,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:18,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:18,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:18,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:18,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:18,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 568 transitions, 16322 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:18,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:18,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:18,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:19,241 INFO L129 PetriNetUnfolder]: 591/1332 cut-off events. [2021-03-26 15:03:19,241 INFO L130 PetriNetUnfolder]: For 62105/62109 co-relation queries the response was YES. [2021-03-26 15:03:19,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16060 conditions, 1332 events. 591/1332 cut-off events. For 62105/62109 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8947 event pairs, 6 based on Foata normal form. 5/1179 useless extension candidates. Maximal degree in co-relation 15808. Up to 768 conditions per place. [2021-03-26 15:03:19,262 INFO L132 encePairwiseOnDemand]: 95/110 looper letters, 455 selfloop transitions, 131 changer transitions 0/604 dead transitions. [2021-03-26 15:03:19,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 604 transitions, 18601 flow [2021-03-26 15:03:19,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:03:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:03:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 657 transitions. [2021-03-26 15:03:19,263 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49772727272727274 [2021-03-26 15:03:19,263 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 657 transitions. [2021-03-26 15:03:19,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 657 transitions. [2021-03-26 15:03:19,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:19,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 657 transitions. [2021-03-26 15:03:19,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.75) internal successors, (657), 12 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:19,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:19,264 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 110.0) internal successors, (1430), 13 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:19,264 INFO L185 Difference]: Start difference. First operand has 417 places, 568 transitions, 16322 flow. Second operand 12 states and 657 transitions. [2021-03-26 15:03:19,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 604 transitions, 18601 flow [2021-03-26 15:03:19,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 604 transitions, 18321 flow, removed 124 selfloop flow, removed 6 redundant places. [2021-03-26 15:03:19,635 INFO L241 Difference]: Finished difference. Result has 424 places, 590 transitions, 17355 flow [2021-03-26 15:03:19,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=16042, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=568, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17355, PETRI_PLACES=424, PETRI_TRANSITIONS=590} [2021-03-26 15:03:19,635 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 371 predicate places. [2021-03-26 15:03:19,635 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:19,635 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 590 transitions, 17355 flow [2021-03-26 15:03:19,635 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 590 transitions, 17355 flow [2021-03-26 15:03:19,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 424 places, 590 transitions, 17355 flow [2021-03-26 15:03:19,832 INFO L129 PetriNetUnfolder]: 528/1221 cut-off events. [2021-03-26 15:03:19,832 INFO L130 PetriNetUnfolder]: For 61504/61537 co-relation queries the response was YES. [2021-03-26 15:03:19,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14582 conditions, 1221 events. 528/1221 cut-off events. For 61504/61537 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8281 event pairs, 1 based on Foata normal form. 4/1070 useless extension candidates. Maximal degree in co-relation 14345. Up to 393 conditions per place. [2021-03-26 15:03:19,859 INFO L142 LiptonReduction]: Number of co-enabled transitions 2136 [2021-03-26 15:03:19,898 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:19,898 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:19,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-26 15:03:19,898 INFO L480 AbstractCegarLoop]: Abstraction has has 424 places, 590 transitions, 17355 flow [2021-03-26 15:03:19,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:19,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:19,899 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:19,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-26 15:03:19,899 INFO L428 AbstractCegarLoop]: === Iteration 104 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:19,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:19,899 INFO L82 PathProgramCache]: Analyzing trace with hash -190136834, now seen corresponding path program 40 times [2021-03-26 15:03:19,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:19,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186439925] [2021-03-26 15:03:19,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:19,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:19,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:19,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:19,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:19,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:19,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:19,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:19,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:19,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:19,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:19,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:19,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:19,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:19,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:19,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:19,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:19,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:19,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:19,990 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:19,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:20,004 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:20,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:20,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:20,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186439925] [2021-03-26 15:03:20,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:20,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:03:20,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856255442] [2021-03-26 15:03:20,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:03:20,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:20,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:03:20,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:03:20,027 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:20,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 590 transitions, 17355 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:20,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:20,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:20,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:20,622 INFO L129 PetriNetUnfolder]: 593/1338 cut-off events. [2021-03-26 15:03:20,622 INFO L130 PetriNetUnfolder]: For 62617/62629 co-relation queries the response was YES. [2021-03-26 15:03:20,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16222 conditions, 1338 events. 593/1338 cut-off events. For 62617/62629 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 9032 event pairs, 4 based on Foata normal form. 13/1191 useless extension candidates. Maximal degree in co-relation 15968. Up to 812 conditions per place. [2021-03-26 15:03:20,642 INFO L132 encePairwiseOnDemand]: 94/110 looper letters, 520 selfloop transitions, 48 changer transitions 15/601 dead transitions. [2021-03-26 15:03:20,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 601 transitions, 18702 flow [2021-03-26 15:03:20,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:03:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:03:20,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 791 transitions. [2021-03-26 15:03:20,644 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4793939393939394 [2021-03-26 15:03:20,644 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 791 transitions. [2021-03-26 15:03:20,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 791 transitions. [2021-03-26 15:03:20,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:20,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 791 transitions. [2021-03-26 15:03:20,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.733333333333334) internal successors, (791), 15 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:20,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 110.0) internal successors, (1760), 16 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:20,645 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 110.0) internal successors, (1760), 16 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:20,645 INFO L185 Difference]: Start difference. First operand has 424 places, 590 transitions, 17355 flow. Second operand 15 states and 791 transitions. [2021-03-26 15:03:20,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 601 transitions, 18702 flow [2021-03-26 15:03:21,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 601 transitions, 18204 flow, removed 226 selfloop flow, removed 5 redundant places. [2021-03-26 15:03:21,054 INFO L241 Difference]: Finished difference. Result has 435 places, 577 transitions, 16755 flow [2021-03-26 15:03:21,054 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=16857, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=590, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16755, PETRI_PLACES=435, PETRI_TRANSITIONS=577} [2021-03-26 15:03:21,054 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 382 predicate places. [2021-03-26 15:03:21,054 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:21,054 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 435 places, 577 transitions, 16755 flow [2021-03-26 15:03:21,054 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 435 places, 577 transitions, 16755 flow [2021-03-26 15:03:21,059 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 430 places, 577 transitions, 16755 flow [2021-03-26 15:03:21,242 INFO L129 PetriNetUnfolder]: 508/1157 cut-off events. [2021-03-26 15:03:21,242 INFO L130 PetriNetUnfolder]: For 59804/59838 co-relation queries the response was YES. [2021-03-26 15:03:21,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14086 conditions, 1157 events. 508/1157 cut-off events. For 59804/59838 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7672 event pairs, 2 based on Foata normal form. 5/1023 useless extension candidates. Maximal degree in co-relation 13873. Up to 364 conditions per place. [2021-03-26 15:03:21,266 INFO L142 LiptonReduction]: Number of co-enabled transitions 2034 [2021-03-26 15:03:21,302 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:21,302 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:21,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 248 [2021-03-26 15:03:21,302 INFO L480 AbstractCegarLoop]: Abstraction has has 430 places, 577 transitions, 16755 flow [2021-03-26 15:03:21,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:21,302 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:21,302 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:21,302 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-26 15:03:21,302 INFO L428 AbstractCegarLoop]: === Iteration 105 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:21,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:21,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1355470610, now seen corresponding path program 41 times [2021-03-26 15:03:21,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:21,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774876556] [2021-03-26 15:03:21,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:21,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:21,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:21,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:21,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:21,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:21,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:21,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:21,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:21,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:21,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:21,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:21,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:21,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:21,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:21,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:21,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:21,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:21,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:21,429 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:21,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:21,444 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:21,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:21,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774876556] [2021-03-26 15:03:21,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:21,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:03:21,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211365810] [2021-03-26 15:03:21,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:03:21,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:21,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:03:21,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:03:21,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:21,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 577 transitions, 16755 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:21,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:21,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:21,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:22,160 INFO L129 PetriNetUnfolder]: 600/1344 cut-off events. [2021-03-26 15:03:22,160 INFO L130 PetriNetUnfolder]: For 66755/66767 co-relation queries the response was YES. [2021-03-26 15:03:22,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16407 conditions, 1344 events. 600/1344 cut-off events. For 66755/66767 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9051 event pairs, 5 based on Foata normal form. 14/1194 useless extension candidates. Maximal degree in co-relation 16204. Up to 623 conditions per place. [2021-03-26 15:03:22,181 INFO L132 encePairwiseOnDemand]: 93/110 looper letters, 279 selfloop transitions, 265 changer transitions 48/610 dead transitions. [2021-03-26 15:03:22,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 610 transitions, 19286 flow [2021-03-26 15:03:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:03:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:03:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 869 transitions. [2021-03-26 15:03:22,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49375 [2021-03-26 15:03:22,182 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 869 transitions. [2021-03-26 15:03:22,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 869 transitions. [2021-03-26 15:03:22,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:22,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 869 transitions. [2021-03-26 15:03:22,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.3125) internal successors, (869), 16 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:22,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 110.0) internal successors, (1870), 17 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:22,183 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 110.0) internal successors, (1870), 17 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:22,184 INFO L185 Difference]: Start difference. First operand has 430 places, 577 transitions, 16755 flow. Second operand 16 states and 869 transitions. [2021-03-26 15:03:22,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 610 transitions, 19286 flow [2021-03-26 15:03:22,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 610 transitions, 19008 flow, removed 37 selfloop flow, removed 23 redundant places. [2021-03-26 15:03:22,592 INFO L241 Difference]: Finished difference. Result has 430 places, 550 transitions, 16760 flow [2021-03-26 15:03:22,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=16501, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16760, PETRI_PLACES=430, PETRI_TRANSITIONS=550} [2021-03-26 15:03:22,593 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 377 predicate places. [2021-03-26 15:03:22,593 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:22,593 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 550 transitions, 16760 flow [2021-03-26 15:03:22,593 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 550 transitions, 16760 flow [2021-03-26 15:03:22,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 550 transitions, 16760 flow [2021-03-26 15:03:22,757 INFO L129 PetriNetUnfolder]: 467/1035 cut-off events. [2021-03-26 15:03:22,757 INFO L130 PetriNetUnfolder]: For 62007/62049 co-relation queries the response was YES. [2021-03-26 15:03:22,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13884 conditions, 1035 events. 467/1035 cut-off events. For 62007/62049 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6584 event pairs, 3 based on Foata normal form. 6/928 useless extension candidates. Maximal degree in co-relation 13649. Up to 342 conditions per place. [2021-03-26 15:03:22,778 INFO L142 LiptonReduction]: Number of co-enabled transitions 1772 [2021-03-26 15:03:22,811 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:22,811 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:22,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 218 [2021-03-26 15:03:22,812 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 550 transitions, 16760 flow [2021-03-26 15:03:22,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:22,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:22,812 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:22,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-26 15:03:22,812 INFO L428 AbstractCegarLoop]: === Iteration 106 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:22,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:22,812 INFO L82 PathProgramCache]: Analyzing trace with hash -513152816, now seen corresponding path program 42 times [2021-03-26 15:03:22,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:22,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123916355] [2021-03-26 15:03:22,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:22,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:22,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:22,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:22,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:22,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:22,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:22,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:22,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:22,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:22,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:22,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:22,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:22,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:22,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:22,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:22,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:22,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:22,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:22,892 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:22,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:22,905 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:22,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:22,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:22,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123916355] [2021-03-26 15:03:22,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:22,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:22,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126568845] [2021-03-26 15:03:22,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:22,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:22,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:22,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:22,908 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:22,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 550 transitions, 16760 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:22,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:22,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:22,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:23,545 INFO L129 PetriNetUnfolder]: 549/1190 cut-off events. [2021-03-26 15:03:23,545 INFO L130 PetriNetUnfolder]: For 65799/65803 co-relation queries the response was YES. [2021-03-26 15:03:23,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15961 conditions, 1190 events. 549/1190 cut-off events. For 65799/65803 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 7585 event pairs, 14 based on Foata normal form. 5/1067 useless extension candidates. Maximal degree in co-relation 15709. Up to 688 conditions per place. [2021-03-26 15:03:23,563 INFO L132 encePairwiseOnDemand]: 92/110 looper letters, 379 selfloop transitions, 145 changer transitions 25/567 dead transitions. [2021-03-26 15:03:23,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 567 transitions, 18460 flow [2021-03-26 15:03:23,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:03:23,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:03:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 918 transitions. [2021-03-26 15:03:23,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4909090909090909 [2021-03-26 15:03:23,564 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 918 transitions. [2021-03-26 15:03:23,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 918 transitions. [2021-03-26 15:03:23,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:23,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 918 transitions. [2021-03-26 15:03:23,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 54.0) internal successors, (918), 17 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:23,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 110.0) internal successors, (1980), 18 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:23,565 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 110.0) internal successors, (1980), 18 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:23,565 INFO L185 Difference]: Start difference. First operand has 417 places, 550 transitions, 16760 flow. Second operand 17 states and 918 transitions. [2021-03-26 15:03:23,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 567 transitions, 18460 flow [2021-03-26 15:03:23,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 567 transitions, 17252 flow, removed 201 selfloop flow, removed 29 redundant places. [2021-03-26 15:03:23,918 INFO L241 Difference]: Finished difference. Result has 408 places, 532 transitions, 15204 flow [2021-03-26 15:03:23,918 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=15602, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=15204, PETRI_PLACES=408, PETRI_TRANSITIONS=532} [2021-03-26 15:03:23,918 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 355 predicate places. [2021-03-26 15:03:23,918 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:23,918 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 408 places, 532 transitions, 15204 flow [2021-03-26 15:03:23,918 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 408 places, 532 transitions, 15204 flow [2021-03-26 15:03:23,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 404 places, 532 transitions, 15204 flow [2021-03-26 15:03:24,070 INFO L129 PetriNetUnfolder]: 457/1002 cut-off events. [2021-03-26 15:03:24,070 INFO L130 PetriNetUnfolder]: For 54362/54396 co-relation queries the response was YES. [2021-03-26 15:03:24,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12765 conditions, 1002 events. 457/1002 cut-off events. For 54362/54396 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6289 event pairs, 2 based on Foata normal form. 5/899 useless extension candidates. Maximal degree in co-relation 12543. Up to 328 conditions per place. [2021-03-26 15:03:24,090 INFO L142 LiptonReduction]: Number of co-enabled transitions 1668 [2021-03-26 15:03:24,122 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:24,122 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:24,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 204 [2021-03-26 15:03:24,122 INFO L480 AbstractCegarLoop]: Abstraction has has 404 places, 532 transitions, 15204 flow [2021-03-26 15:03:24,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:24,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:24,122 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:24,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-26 15:03:24,123 INFO L428 AbstractCegarLoop]: === Iteration 107 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:24,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:24,123 INFO L82 PathProgramCache]: Analyzing trace with hash -509489388, now seen corresponding path program 43 times [2021-03-26 15:03:24,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:24,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042668356] [2021-03-26 15:03:24,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:24,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:24,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:24,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:24,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:24,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:24,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:24,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:24,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:24,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:24,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:24,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:24,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:24,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:24,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:24,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:24,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:24,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:24,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:24,219 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:24,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:24,227 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:24,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:24,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:24,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042668356] [2021-03-26 15:03:24,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:24,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:24,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294241435] [2021-03-26 15:03:24,230 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:24,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:24,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:24,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:24,231 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:24,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 532 transitions, 15204 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:24,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:24,231 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:24,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:24,753 INFO L129 PetriNetUnfolder]: 536/1147 cut-off events. [2021-03-26 15:03:24,754 INFO L130 PetriNetUnfolder]: For 58663/58667 co-relation queries the response was YES. [2021-03-26 15:03:24,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14685 conditions, 1147 events. 536/1147 cut-off events. For 58663/58667 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7140 event pairs, 5 based on Foata normal form. 5/1032 useless extension candidates. Maximal degree in co-relation 14508. Up to 620 conditions per place. [2021-03-26 15:03:24,770 INFO L132 encePairwiseOnDemand]: 94/110 looper letters, 296 selfloop transitions, 233 changer transitions 8/555 dead transitions. [2021-03-26 15:03:24,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 555 transitions, 16884 flow [2021-03-26 15:03:24,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:03:24,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:03:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 608 transitions. [2021-03-26 15:03:24,771 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5024793388429752 [2021-03-26 15:03:24,771 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 608 transitions. [2021-03-26 15:03:24,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 608 transitions. [2021-03-26 15:03:24,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:24,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 608 transitions. [2021-03-26 15:03:24,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.27272727272727) internal successors, (608), 11 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:24,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 110.0) internal successors, (1320), 12 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:24,773 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 110.0) internal successors, (1320), 12 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:24,773 INFO L185 Difference]: Start difference. First operand has 404 places, 532 transitions, 15204 flow. Second operand 11 states and 608 transitions. [2021-03-26 15:03:24,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 555 transitions, 16884 flow [2021-03-26 15:03:25,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 555 transitions, 15995 flow, removed 105 selfloop flow, removed 43 redundant places. [2021-03-26 15:03:25,108 INFO L241 Difference]: Finished difference. Result has 375 places, 539 transitions, 15242 flow [2021-03-26 15:03:25,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=14342, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15242, PETRI_PLACES=375, PETRI_TRANSITIONS=539} [2021-03-26 15:03:25,108 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 322 predicate places. [2021-03-26 15:03:25,108 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:25,108 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 375 places, 539 transitions, 15242 flow [2021-03-26 15:03:25,108 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 375 places, 539 transitions, 15242 flow [2021-03-26 15:03:25,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 374 places, 539 transitions, 15242 flow [2021-03-26 15:03:25,253 INFO L129 PetriNetUnfolder]: 460/1009 cut-off events. [2021-03-26 15:03:25,253 INFO L130 PetriNetUnfolder]: For 49137/49161 co-relation queries the response was YES. [2021-03-26 15:03:25,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12647 conditions, 1009 events. 460/1009 cut-off events. For 49137/49161 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 6373 event pairs, 4 based on Foata normal form. 4/906 useless extension candidates. Maximal degree in co-relation 12440. Up to 330 conditions per place. [2021-03-26 15:03:25,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 1668 [2021-03-26 15:03:25,303 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:25,303 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:25,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 195 [2021-03-26 15:03:25,304 INFO L480 AbstractCegarLoop]: Abstraction has has 374 places, 539 transitions, 15242 flow [2021-03-26 15:03:25,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:25,304 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:25,304 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:25,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-26 15:03:25,304 INFO L428 AbstractCegarLoop]: === Iteration 108 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:25,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:25,304 INFO L82 PathProgramCache]: Analyzing trace with hash 442157276, now seen corresponding path program 44 times [2021-03-26 15:03:25,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:25,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906822114] [2021-03-26 15:03:25,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:25,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:25,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:25,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:25,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:25,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:25,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:25,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:25,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:25,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:25,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:25,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:25,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:25,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:25,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:25,354 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:25,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:25,358 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:25,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:25,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:25,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:25,380 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:25,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:25,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906822114] [2021-03-26 15:03:25,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:25,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:03:25,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754542508] [2021-03-26 15:03:25,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:03:25,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:25,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:03:25,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:03:25,399 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:25,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 539 transitions, 15242 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:25,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:25,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:25,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:25,858 INFO L129 PetriNetUnfolder]: 534/1141 cut-off events. [2021-03-26 15:03:25,858 INFO L130 PetriNetUnfolder]: For 54261/54267 co-relation queries the response was YES. [2021-03-26 15:03:25,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14624 conditions, 1141 events. 534/1141 cut-off events. For 54261/54267 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7116 event pairs, 7 based on Foata normal form. 7/1035 useless extension candidates. Maximal degree in co-relation 14402. Up to 707 conditions per place. [2021-03-26 15:03:25,874 INFO L132 encePairwiseOnDemand]: 94/110 looper letters, 403 selfloop transitions, 137 changer transitions 3/561 dead transitions. [2021-03-26 15:03:25,874 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 561 transitions, 17030 flow [2021-03-26 15:03:25,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:03:25,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:03:25,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 549 transitions. [2021-03-26 15:03:25,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4990909090909091 [2021-03-26 15:03:25,875 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 549 transitions. [2021-03-26 15:03:25,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 549 transitions. [2021-03-26 15:03:25,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:25,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 549 transitions. [2021-03-26 15:03:25,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.9) internal successors, (549), 10 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:25,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 110.0) internal successors, (1210), 11 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:25,876 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 110.0) internal successors, (1210), 11 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:25,876 INFO L185 Difference]: Start difference. First operand has 374 places, 539 transitions, 15242 flow. Second operand 10 states and 549 transitions. [2021-03-26 15:03:25,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 561 transitions, 17030 flow [2021-03-26 15:03:26,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 561 transitions, 16136 flow, removed 106 selfloop flow, removed 12 redundant places. [2021-03-26 15:03:26,183 INFO L241 Difference]: Finished difference. Result has 376 places, 550 transitions, 15243 flow [2021-03-26 15:03:26,183 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=14356, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=15243, PETRI_PLACES=376, PETRI_TRANSITIONS=550} [2021-03-26 15:03:26,183 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 323 predicate places. [2021-03-26 15:03:26,183 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:26,183 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 376 places, 550 transitions, 15243 flow [2021-03-26 15:03:26,183 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 376 places, 550 transitions, 15243 flow [2021-03-26 15:03:26,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 375 places, 550 transitions, 15243 flow [2021-03-26 15:03:26,355 INFO L129 PetriNetUnfolder]: 467/1026 cut-off events. [2021-03-26 15:03:26,355 INFO L130 PetriNetUnfolder]: For 50664/50689 co-relation queries the response was YES. [2021-03-26 15:03:26,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12715 conditions, 1026 events. 467/1026 cut-off events. For 50664/50689 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6532 event pairs, 8 based on Foata normal form. 5/925 useless extension candidates. Maximal degree in co-relation 12506. Up to 340 conditions per place. [2021-03-26 15:03:26,373 INFO L142 LiptonReduction]: Number of co-enabled transitions 1668 [2021-03-26 15:03:26,405 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:26,405 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:26,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 222 [2021-03-26 15:03:26,405 INFO L480 AbstractCegarLoop]: Abstraction has has 375 places, 550 transitions, 15243 flow [2021-03-26 15:03:26,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:26,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:26,405 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:26,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-26 15:03:26,405 INFO L428 AbstractCegarLoop]: === Iteration 109 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:26,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:26,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1476433562, now seen corresponding path program 45 times [2021-03-26 15:03:26,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:26,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172565752] [2021-03-26 15:03:26,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:26,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:26,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:26,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:26,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:26,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:26,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:26,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:26,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:26,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:26,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:26,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:26,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:26,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:26,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:26,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:26,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:26,474 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:26,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:26,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:26,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:26,492 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:26,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:26,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:26,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172565752] [2021-03-26 15:03:26,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:26,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:26,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204273956] [2021-03-26 15:03:26,494 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:26,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:26,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:26,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:26,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:26,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 550 transitions, 15243 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:26,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:26,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:26,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:27,028 INFO L129 PetriNetUnfolder]: 543/1167 cut-off events. [2021-03-26 15:03:27,028 INFO L130 PetriNetUnfolder]: For 54697/54701 co-relation queries the response was YES. [2021-03-26 15:03:27,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14581 conditions, 1167 events. 543/1167 cut-off events. For 54697/54701 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7333 event pairs, 6 based on Foata normal form. 5/1055 useless extension candidates. Maximal degree in co-relation 14358. Up to 680 conditions per place. [2021-03-26 15:03:27,044 INFO L132 encePairwiseOnDemand]: 94/110 looper letters, 359 selfloop transitions, 194 changer transitions 6/577 dead transitions. [2021-03-26 15:03:27,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 577 transitions, 17054 flow [2021-03-26 15:03:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 705 transitions. [2021-03-26 15:03:27,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.493006993006993 [2021-03-26 15:03:27,045 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 705 transitions. [2021-03-26 15:03:27,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 705 transitions. [2021-03-26 15:03:27,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:27,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 705 transitions. [2021-03-26 15:03:27,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.23076923076923) internal successors, (705), 13 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:27,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:27,046 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 110.0) internal successors, (1540), 14 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:27,046 INFO L185 Difference]: Start difference. First operand has 375 places, 550 transitions, 15243 flow. Second operand 13 states and 705 transitions. [2021-03-26 15:03:27,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 577 transitions, 17054 flow [2021-03-26 15:03:27,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 577 transitions, 16906 flow, removed 51 selfloop flow, removed 4 redundant places. [2021-03-26 15:03:27,372 INFO L241 Difference]: Finished difference. Result has 387 places, 562 transitions, 16059 flow [2021-03-26 15:03:27,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=15101, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=179, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16059, PETRI_PLACES=387, PETRI_TRANSITIONS=562} [2021-03-26 15:03:27,372 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 334 predicate places. [2021-03-26 15:03:27,373 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:27,373 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 387 places, 562 transitions, 16059 flow [2021-03-26 15:03:27,373 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 387 places, 562 transitions, 16059 flow [2021-03-26 15:03:27,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 385 places, 562 transitions, 16059 flow [2021-03-26 15:03:27,528 INFO L129 PetriNetUnfolder]: 473/1039 cut-off events. [2021-03-26 15:03:27,528 INFO L130 PetriNetUnfolder]: For 50889/50914 co-relation queries the response was YES. [2021-03-26 15:03:27,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13167 conditions, 1039 events. 473/1039 cut-off events. For 50889/50914 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 6620 event pairs, 7 based on Foata normal form. 5/935 useless extension candidates. Maximal degree in co-relation 12953. Up to 349 conditions per place. [2021-03-26 15:03:27,547 INFO L142 LiptonReduction]: Number of co-enabled transitions 1696 [2021-03-26 15:03:27,581 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:27,581 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:27,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 209 [2021-03-26 15:03:27,582 INFO L480 AbstractCegarLoop]: Abstraction has has 385 places, 562 transitions, 16059 flow [2021-03-26 15:03:27,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:27,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:27,582 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:27,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-26 15:03:27,582 INFO L428 AbstractCegarLoop]: === Iteration 110 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:27,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:27,582 INFO L82 PathProgramCache]: Analyzing trace with hash -2098173600, now seen corresponding path program 46 times [2021-03-26 15:03:27,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:27,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509010621] [2021-03-26 15:03:27,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:27,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:27,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:27,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:27,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:27,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:27,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:27,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:27,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:27,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:27,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:27,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:27,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:27,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:27,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:27,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:27,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:27,639 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:27,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:27,651 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:27,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:27,669 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:27,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:27,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509010621] [2021-03-26 15:03:27,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:27,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:27,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43815448] [2021-03-26 15:03:27,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:27,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:27,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:27,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:27,674 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 110 [2021-03-26 15:03:27,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 562 transitions, 16059 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:27,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:27,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 110 [2021-03-26 15:03:27,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:28,226 INFO L129 PetriNetUnfolder]: 557/1206 cut-off events. [2021-03-26 15:03:28,227 INFO L130 PetriNetUnfolder]: For 61014/61026 co-relation queries the response was YES. [2021-03-26 15:03:28,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15341 conditions, 1206 events. 557/1206 cut-off events. For 61014/61026 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 7742 event pairs, 5 based on Foata normal form. 14/1093 useless extension candidates. Maximal degree in co-relation 15113. Up to 695 conditions per place. [2021-03-26 15:03:28,245 INFO L132 encePairwiseOnDemand]: 94/110 looper letters, 431 selfloop transitions, 135 changer transitions 0/584 dead transitions. [2021-03-26 15:03:28,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 584 transitions, 18023 flow [2021-03-26 15:03:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:03:28,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:03:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 609 transitions. [2021-03-26 15:03:28,246 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.503305785123967 [2021-03-26 15:03:28,246 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 609 transitions. [2021-03-26 15:03:28,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 609 transitions. [2021-03-26 15:03:28,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:28,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 609 transitions. [2021-03-26 15:03:28,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.36363636363637) internal successors, (609), 11 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:28,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 110.0) internal successors, (1320), 12 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:28,247 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 110.0) internal successors, (1320), 12 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:28,247 INFO L185 Difference]: Start difference. First operand has 385 places, 562 transitions, 16059 flow. Second operand 11 states and 609 transitions. [2021-03-26 15:03:28,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 584 transitions, 18023 flow [2021-03-26 15:03:28,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 584 transitions, 17483 flow, removed 134 selfloop flow, removed 7 redundant places. [2021-03-26 15:03:28,580 INFO L241 Difference]: Finished difference. Result has 391 places, 574 transitions, 16627 flow [2021-03-26 15:03:28,580 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=15519, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16627, PETRI_PLACES=391, PETRI_TRANSITIONS=574} [2021-03-26 15:03:28,580 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 338 predicate places. [2021-03-26 15:03:28,581 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:28,581 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 391 places, 574 transitions, 16627 flow [2021-03-26 15:03:28,581 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 391 places, 574 transitions, 16627 flow [2021-03-26 15:03:28,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 391 places, 574 transitions, 16627 flow [2021-03-26 15:03:28,750 INFO L129 PetriNetUnfolder]: 489/1089 cut-off events. [2021-03-26 15:03:28,750 INFO L130 PetriNetUnfolder]: For 57546/57567 co-relation queries the response was YES. [2021-03-26 15:03:28,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13689 conditions, 1089 events. 489/1089 cut-off events. For 57546/57567 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7058 event pairs, 1 based on Foata normal form. 9/979 useless extension candidates. Maximal degree in co-relation 13472. Up to 359 conditions per place. [2021-03-26 15:03:28,771 INFO L142 LiptonReduction]: Number of co-enabled transitions 1782 [2021-03-26 15:03:28,878 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:03:28,878 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:03:28,878 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-03-26 15:03:28,878 INFO L480 AbstractCegarLoop]: Abstraction has has 391 places, 574 transitions, 16678 flow [2021-03-26 15:03:28,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:28,878 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:28,878 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:28,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-26 15:03:28,879 INFO L428 AbstractCegarLoop]: === Iteration 111 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:28,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:28,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1388005700, now seen corresponding path program 47 times [2021-03-26 15:03:28,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:28,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850301066] [2021-03-26 15:03:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:28,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:28,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:28,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:28,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:28,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:28,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:28,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:28,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:28,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:28,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:28,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:28,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:28,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:28,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:28,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:28,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:28,934 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:28,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:28,946 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:28,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:28,959 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:28,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:28,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850301066] [2021-03-26 15:03:28,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:28,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:28,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26529236] [2021-03-26 15:03:28,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:28,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:28,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:28,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:28,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 15:03:28,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 574 transitions, 16678 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:28,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:28,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 15:03:28,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:29,582 INFO L129 PetriNetUnfolder]: 568/1237 cut-off events. [2021-03-26 15:03:29,582 INFO L130 PetriNetUnfolder]: For 64698/64702 co-relation queries the response was YES. [2021-03-26 15:03:29,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16116 conditions, 1237 events. 568/1237 cut-off events. For 64698/64702 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8008 event pairs, 11 based on Foata normal form. 5/1113 useless extension candidates. Maximal degree in co-relation 15885. Up to 738 conditions per place. [2021-03-26 15:03:29,599 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 414 selfloop transitions, 165 changer transitions 7/604 dead transitions. [2021-03-26 15:03:29,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 604 transitions, 19201 flow [2021-03-26 15:03:29,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:03:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:03:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 763 transitions. [2021-03-26 15:03:29,600 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49099099099099097 [2021-03-26 15:03:29,600 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 763 transitions. [2021-03-26 15:03:29,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 763 transitions. [2021-03-26 15:03:29,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:29,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 763 transitions. [2021-03-26 15:03:29,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.5) internal successors, (763), 14 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:29,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:29,602 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 111.0) internal successors, (1665), 15 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:29,602 INFO L185 Difference]: Start difference. First operand has 391 places, 574 transitions, 16678 flow. Second operand 14 states and 763 transitions. [2021-03-26 15:03:29,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 604 transitions, 19201 flow [2021-03-26 15:03:29,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 604 transitions, 18508 flow, removed 289 selfloop flow, removed 4 redundant places. [2021-03-26 15:03:29,932 INFO L241 Difference]: Finished difference. Result has 404 places, 588 transitions, 17299 flow [2021-03-26 15:03:29,932 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=15991, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17299, PETRI_PLACES=404, PETRI_TRANSITIONS=588} [2021-03-26 15:03:29,932 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 351 predicate places. [2021-03-26 15:03:29,932 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:29,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 588 transitions, 17299 flow [2021-03-26 15:03:29,932 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 588 transitions, 17299 flow [2021-03-26 15:03:29,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 404 places, 588 transitions, 17299 flow [2021-03-26 15:03:30,102 INFO L129 PetriNetUnfolder]: 489/1086 cut-off events. [2021-03-26 15:03:30,102 INFO L130 PetriNetUnfolder]: For 60105/60123 co-relation queries the response was YES. [2021-03-26 15:03:30,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14176 conditions, 1086 events. 489/1086 cut-off events. For 60105/60123 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 7107 event pairs, 3 based on Foata normal form. 6/981 useless extension candidates. Maximal degree in co-relation 13953. Up to 358 conditions per place. [2021-03-26 15:03:30,123 INFO L142 LiptonReduction]: Number of co-enabled transitions 1782 [2021-03-26 15:03:30,162 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:30,162 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:30,162 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 230 [2021-03-26 15:03:30,163 INFO L480 AbstractCegarLoop]: Abstraction has has 404 places, 588 transitions, 17299 flow [2021-03-26 15:03:30,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:30,163 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:30,163 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:30,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-26 15:03:30,163 INFO L428 AbstractCegarLoop]: === Iteration 112 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:30,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:30,163 INFO L82 PathProgramCache]: Analyzing trace with hash -328458235, now seen corresponding path program 1 times [2021-03-26 15:03:30,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:30,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656119072] [2021-03-26 15:03:30,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:30,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:30,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:30,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:30,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:30,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:30,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:30,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:30,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:30,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:30,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:30,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:30,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:30,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:30,227 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:30,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:30,229 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:30,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:30,241 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:30,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:30,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656119072] [2021-03-26 15:03:30,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:30,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:03:30,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895648145] [2021-03-26 15:03:30,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:03:30,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:30,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:03:30,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:03:30,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 15:03:30,244 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 588 transitions, 17299 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:30,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:30,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 15:03:30,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:30,761 INFO L129 PetriNetUnfolder]: 574/1260 cut-off events. [2021-03-26 15:03:30,761 INFO L130 PetriNetUnfolder]: For 66665/66671 co-relation queries the response was YES. [2021-03-26 15:03:30,774 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16158 conditions, 1260 events. 574/1260 cut-off events. For 66665/66671 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8269 event pairs, 4 based on Foata normal form. 7/1131 useless extension candidates. Maximal degree in co-relation 15921. Up to 666 conditions per place. [2021-03-26 15:03:30,779 INFO L132 encePairwiseOnDemand]: 95/111 looper letters, 381 selfloop transitions, 207 changer transitions 1/607 dead transitions. [2021-03-26 15:03:30,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 607 transitions, 18922 flow [2021-03-26 15:03:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:03:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:03:30,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 514 transitions. [2021-03-26 15:03:30,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5145145145145145 [2021-03-26 15:03:30,780 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 514 transitions. [2021-03-26 15:03:30,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 514 transitions. [2021-03-26 15:03:30,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:30,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 514 transitions. [2021-03-26 15:03:30,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 57.111111111111114) internal successors, (514), 9 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:30,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 111.0) internal successors, (1110), 10 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:30,781 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 111.0) internal successors, (1110), 10 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:30,781 INFO L185 Difference]: Start difference. First operand has 404 places, 588 transitions, 17299 flow. Second operand 9 states and 514 transitions. [2021-03-26 15:03:30,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 607 transitions, 18922 flow [2021-03-26 15:03:31,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 607 transitions, 18512 flow, removed 59 selfloop flow, removed 12 redundant places. [2021-03-26 15:03:31,115 INFO L241 Difference]: Finished difference. Result has 402 places, 593 transitions, 17715 flow [2021-03-26 15:03:31,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=16891, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=202, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=17715, PETRI_PLACES=402, PETRI_TRANSITIONS=593} [2021-03-26 15:03:31,115 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 349 predicate places. [2021-03-26 15:03:31,115 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:31,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 593 transitions, 17715 flow [2021-03-26 15:03:31,115 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 593 transitions, 17715 flow [2021-03-26 15:03:31,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 402 places, 593 transitions, 17715 flow [2021-03-26 15:03:31,288 INFO L129 PetriNetUnfolder]: 504/1135 cut-off events. [2021-03-26 15:03:31,289 INFO L130 PetriNetUnfolder]: For 61685/61721 co-relation queries the response was YES. [2021-03-26 15:03:31,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14566 conditions, 1135 events. 504/1135 cut-off events. For 61685/61721 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 7536 event pairs, 4 based on Foata normal form. 4/1013 useless extension candidates. Maximal degree in co-relation 14343. Up to 364 conditions per place. [2021-03-26 15:03:31,311 INFO L142 LiptonReduction]: Number of co-enabled transitions 1834 [2021-03-26 15:03:31,349 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:31,349 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:31,349 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 234 [2021-03-26 15:03:31,350 INFO L480 AbstractCegarLoop]: Abstraction has has 402 places, 593 transitions, 17715 flow [2021-03-26 15:03:31,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:31,350 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:31,350 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:31,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-26 15:03:31,350 INFO L428 AbstractCegarLoop]: === Iteration 113 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:31,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:31,350 INFO L82 PathProgramCache]: Analyzing trace with hash -2076327490, now seen corresponding path program 48 times [2021-03-26 15:03:31,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:31,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84668176] [2021-03-26 15:03:31,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:31,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:31,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:31,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:31,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:31,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:31,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:31,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:31,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:31,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:31,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:31,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:31,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:31,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:31,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:31,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:31,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:31,422 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:03:31,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:31,435 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:31,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:31,448 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:31,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:31,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84668176] [2021-03-26 15:03:31,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:31,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:31,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203244908] [2021-03-26 15:03:31,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:31,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:31,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:31,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:31,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 15:03:31,452 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 593 transitions, 17715 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:31,452 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:31,452 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 15:03:31,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:32,106 INFO L129 PetriNetUnfolder]: 575/1273 cut-off events. [2021-03-26 15:03:32,106 INFO L130 PetriNetUnfolder]: For 67036/67046 co-relation queries the response was YES. [2021-03-26 15:03:32,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16574 conditions, 1273 events. 575/1273 cut-off events. For 67036/67046 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8405 event pairs, 11 based on Foata normal form. 11/1148 useless extension candidates. Maximal degree in co-relation 16337. Up to 742 conditions per place. [2021-03-26 15:03:32,125 INFO L132 encePairwiseOnDemand]: 94/111 looper letters, 412 selfloop transitions, 180 changer transitions 10/620 dead transitions. [2021-03-26 15:03:32,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 620 transitions, 19940 flow [2021-03-26 15:03:32,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:03:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:03:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 865 transitions. [2021-03-26 15:03:32,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48704954954954954 [2021-03-26 15:03:32,126 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 865 transitions. [2021-03-26 15:03:32,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 865 transitions. [2021-03-26 15:03:32,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:32,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 865 transitions. [2021-03-26 15:03:32,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.0625) internal successors, (865), 16 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:32,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:32,128 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 111.0) internal successors, (1887), 17 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:32,128 INFO L185 Difference]: Start difference. First operand has 402 places, 593 transitions, 17715 flow. Second operand 16 states and 865 transitions. [2021-03-26 15:03:32,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 620 transitions, 19940 flow [2021-03-26 15:03:32,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 620 transitions, 19586 flow, removed 78 selfloop flow, removed 6 redundant places. [2021-03-26 15:03:32,529 INFO L241 Difference]: Finished difference. Result has 417 places, 601 transitions, 18366 flow [2021-03-26 15:03:32,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=17361, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=18366, PETRI_PLACES=417, PETRI_TRANSITIONS=601} [2021-03-26 15:03:32,529 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 364 predicate places. [2021-03-26 15:03:32,529 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:32,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 417 places, 601 transitions, 18366 flow [2021-03-26 15:03:32,529 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 417 places, 601 transitions, 18366 flow [2021-03-26 15:03:32,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 417 places, 601 transitions, 18366 flow [2021-03-26 15:03:32,711 INFO L129 PetriNetUnfolder]: 501/1138 cut-off events. [2021-03-26 15:03:32,711 INFO L130 PetriNetUnfolder]: For 63797/63841 co-relation queries the response was YES. [2021-03-26 15:03:32,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14807 conditions, 1138 events. 501/1138 cut-off events. For 63797/63841 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 7655 event pairs, 5 based on Foata normal form. 4/1014 useless extension candidates. Maximal degree in co-relation 14578. Up to 353 conditions per place. [2021-03-26 15:03:32,734 INFO L142 LiptonReduction]: Number of co-enabled transitions 1858 [2021-03-26 15:03:32,772 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:32,772 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:32,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-03-26 15:03:32,773 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 601 transitions, 18366 flow [2021-03-26 15:03:32,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:32,773 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:32,773 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:32,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-26 15:03:32,773 INFO L428 AbstractCegarLoop]: === Iteration 114 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:32,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:32,773 INFO L82 PathProgramCache]: Analyzing trace with hash 431046582, now seen corresponding path program 49 times [2021-03-26 15:03:32,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:32,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132096997] [2021-03-26 15:03:32,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:32,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:32,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:32,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:32,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:32,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:32,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:32,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:32,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:32,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:32,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:32,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:32,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:32,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:32,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:32,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:32,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:32,833 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:32,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:32,845 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:32,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:32,858 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:32,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:32,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132096997] [2021-03-26 15:03:32,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:32,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:32,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688069560] [2021-03-26 15:03:32,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:32,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:32,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:32,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:32,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 111 [2021-03-26 15:03:32,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 601 transitions, 18366 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:32,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:32,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 111 [2021-03-26 15:03:32,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:33,431 INFO L129 PetriNetUnfolder]: 574/1273 cut-off events. [2021-03-26 15:03:33,432 INFO L130 PetriNetUnfolder]: For 68178/68182 co-relation queries the response was YES. [2021-03-26 15:03:33,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16718 conditions, 1273 events. 574/1273 cut-off events. For 68178/68182 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8401 event pairs, 9 based on Foata normal form. 5/1140 useless extension candidates. Maximal degree in co-relation 16475. Up to 810 conditions per place. [2021-03-26 15:03:33,450 INFO L132 encePairwiseOnDemand]: 95/111 looper letters, 541 selfloop transitions, 57 changer transitions 0/616 dead transitions. [2021-03-26 15:03:33,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 616 transitions, 19987 flow [2021-03-26 15:03:33,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:03:33,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:03:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 594 transitions. [2021-03-26 15:03:33,451 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4864864864864865 [2021-03-26 15:03:33,451 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 594 transitions. [2021-03-26 15:03:33,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 594 transitions. [2021-03-26 15:03:33,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:33,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 594 transitions. [2021-03-26 15:03:33,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:33,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:33,453 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 111.0) internal successors, (1332), 12 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:33,453 INFO L185 Difference]: Start difference. First operand has 417 places, 601 transitions, 18366 flow. Second operand 11 states and 594 transitions. [2021-03-26 15:03:33,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 616 transitions, 19987 flow [2021-03-26 15:03:33,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 616 transitions, 19528 flow, removed 126 selfloop flow, removed 12 redundant places. [2021-03-26 15:03:33,844 INFO L241 Difference]: Finished difference. Result has 418 places, 606 transitions, 18358 flow [2021-03-26 15:03:33,844 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=17916, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18358, PETRI_PLACES=418, PETRI_TRANSITIONS=606} [2021-03-26 15:03:33,844 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 365 predicate places. [2021-03-26 15:03:33,844 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:33,844 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 418 places, 606 transitions, 18358 flow [2021-03-26 15:03:33,844 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 418 places, 606 transitions, 18358 flow [2021-03-26 15:03:33,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 418 places, 606 transitions, 18358 flow [2021-03-26 15:03:34,025 INFO L129 PetriNetUnfolder]: 509/1169 cut-off events. [2021-03-26 15:03:34,025 INFO L130 PetriNetUnfolder]: For 60750/60790 co-relation queries the response was YES. [2021-03-26 15:03:34,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14824 conditions, 1169 events. 509/1169 cut-off events. For 60750/60790 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 7976 event pairs, 4 based on Foata normal form. 5/1038 useless extension candidates. Maximal degree in co-relation 14625. Up to 356 conditions per place. [2021-03-26 15:03:34,048 INFO L142 LiptonReduction]: Number of co-enabled transitions 1896 [2021-03-26 15:03:34,161 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:03:34,162 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:03:34,162 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 318 [2021-03-26 15:03:34,162 INFO L480 AbstractCegarLoop]: Abstraction has has 417 places, 605 transitions, 18352 flow [2021-03-26 15:03:34,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:34,162 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:34,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:34,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-26 15:03:34,162 INFO L428 AbstractCegarLoop]: === Iteration 115 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:34,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:34,162 INFO L82 PathProgramCache]: Analyzing trace with hash 292645476, now seen corresponding path program 50 times [2021-03-26 15:03:34,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:34,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236325267] [2021-03-26 15:03:34,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:34,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:34,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:34,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:34,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:34,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:34,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:34,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:34,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:34,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:34,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:34,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:34,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:34,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:34,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:34,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:34,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:34,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:34,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:34,253 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:34,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:34,257 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:34,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:34,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236325267] [2021-03-26 15:03:34,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:34,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:34,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768435083] [2021-03-26 15:03:34,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:34,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:34,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:34,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:34,260 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 15:03:34,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 605 transitions, 18352 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:34,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:34,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 15:03:34,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:34,935 INFO L129 PetriNetUnfolder]: 577/1287 cut-off events. [2021-03-26 15:03:34,935 INFO L130 PetriNetUnfolder]: For 68208/68212 co-relation queries the response was YES. [2021-03-26 15:03:34,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16774 conditions, 1287 events. 577/1287 cut-off events. For 68208/68212 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8584 event pairs, 11 based on Foata normal form. 5/1152 useless extension candidates. Maximal degree in co-relation 16544. Up to 764 conditions per place. [2021-03-26 15:03:34,954 INFO L132 encePairwiseOnDemand]: 94/112 looper letters, 452 selfloop transitions, 151 changer transitions 2/623 dead transitions. [2021-03-26 15:03:34,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 623 transitions, 20002 flow [2021-03-26 15:03:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:03:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:03:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 865 transitions. [2021-03-26 15:03:34,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48270089285714285 [2021-03-26 15:03:34,955 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 865 transitions. [2021-03-26 15:03:34,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 865 transitions. [2021-03-26 15:03:34,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:34,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 865 transitions. [2021-03-26 15:03:34,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.0625) internal successors, (865), 16 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:34,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:34,957 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:34,957 INFO L185 Difference]: Start difference. First operand has 417 places, 605 transitions, 18352 flow. Second operand 16 states and 865 transitions. [2021-03-26 15:03:34,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 623 transitions, 20002 flow [2021-03-26 15:03:35,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 623 transitions, 19760 flow, removed 94 selfloop flow, removed 5 redundant places. [2021-03-26 15:03:35,358 INFO L241 Difference]: Finished difference. Result has 430 places, 610 transitions, 18816 flow [2021-03-26 15:03:35,358 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=18110, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=18816, PETRI_PLACES=430, PETRI_TRANSITIONS=610} [2021-03-26 15:03:35,358 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 377 predicate places. [2021-03-26 15:03:35,358 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:35,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 610 transitions, 18816 flow [2021-03-26 15:03:35,359 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 610 transitions, 18816 flow [2021-03-26 15:03:35,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 429 places, 610 transitions, 18816 flow [2021-03-26 15:03:35,565 INFO L129 PetriNetUnfolder]: 512/1177 cut-off events. [2021-03-26 15:03:35,566 INFO L130 PetriNetUnfolder]: For 61971/62010 co-relation queries the response was YES. [2021-03-26 15:03:35,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15164 conditions, 1177 events. 512/1177 cut-off events. For 61971/62010 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8063 event pairs, 5 based on Foata normal form. 4/1043 useless extension candidates. Maximal degree in co-relation 14992. Up to 353 conditions per place. [2021-03-26 15:03:35,588 INFO L142 LiptonReduction]: Number of co-enabled transitions 1900 [2021-03-26 15:03:35,627 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:35,627 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:35,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 269 [2021-03-26 15:03:35,627 INFO L480 AbstractCegarLoop]: Abstraction has has 429 places, 610 transitions, 18816 flow [2021-03-26 15:03:35,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:35,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:35,627 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:35,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-26 15:03:35,628 INFO L428 AbstractCegarLoop]: === Iteration 116 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:35,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:35,628 INFO L82 PathProgramCache]: Analyzing trace with hash 726040412, now seen corresponding path program 51 times [2021-03-26 15:03:35,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:35,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683798878] [2021-03-26 15:03:35,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:35,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:35,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:35,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:35,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:35,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:35,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:35,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:35,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:35,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:35,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:35,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:35,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:35,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:35,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:35,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:35,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:35,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:35,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:35,695 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:35,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:35,698 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:35,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:35,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683798878] [2021-03-26 15:03:35,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:35,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:03:35,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904050222] [2021-03-26 15:03:35,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:03:35,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:35,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:03:35,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:03:35,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 112 [2021-03-26 15:03:35,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 610 transitions, 18816 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:35,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:35,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 112 [2021-03-26 15:03:35,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:36,205 INFO L129 PetriNetUnfolder]: 578/1291 cut-off events. [2021-03-26 15:03:36,205 INFO L130 PetriNetUnfolder]: For 66468/66474 co-relation queries the response was YES. [2021-03-26 15:03:36,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16935 conditions, 1291 events. 578/1291 cut-off events. For 66468/66474 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8629 event pairs, 2 based on Foata normal form. 7/1156 useless extension candidates. Maximal degree in co-relation 16761. Up to 840 conditions per place. [2021-03-26 15:03:36,225 INFO L132 encePairwiseOnDemand]: 96/112 looper letters, 558 selfloop transitions, 45 changer transitions 0/621 dead transitions. [2021-03-26 15:03:36,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 621 transitions, 20281 flow [2021-03-26 15:03:36,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:03:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:03:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 539 transitions. [2021-03-26 15:03:36,226 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48125 [2021-03-26 15:03:36,226 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 539 transitions. [2021-03-26 15:03:36,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 539 transitions. [2021-03-26 15:03:36,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:36,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 539 transitions. [2021-03-26 15:03:36,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 53.9) internal successors, (539), 10 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:36,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 112.0) internal successors, (1232), 11 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:36,227 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 112.0) internal successors, (1232), 11 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:36,227 INFO L185 Difference]: Start difference. First operand has 429 places, 610 transitions, 18816 flow. Second operand 10 states and 539 transitions. [2021-03-26 15:03:36,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 621 transitions, 20281 flow [2021-03-26 15:03:36,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 621 transitions, 19896 flow, removed 97 selfloop flow, removed 10 redundant places. [2021-03-26 15:03:36,628 INFO L241 Difference]: Finished difference. Result has 431 places, 614 transitions, 18754 flow [2021-03-26 15:03:36,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=112, PETRI_DIFFERENCE_MINUEND_FLOW=18431, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18754, PETRI_PLACES=431, PETRI_TRANSITIONS=614} [2021-03-26 15:03:36,628 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 378 predicate places. [2021-03-26 15:03:36,628 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:36,629 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 431 places, 614 transitions, 18754 flow [2021-03-26 15:03:36,629 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 431 places, 614 transitions, 18754 flow [2021-03-26 15:03:36,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 431 places, 614 transitions, 18754 flow [2021-03-26 15:03:36,826 INFO L129 PetriNetUnfolder]: 535/1229 cut-off events. [2021-03-26 15:03:36,826 INFO L130 PetriNetUnfolder]: For 66781/66820 co-relation queries the response was YES. [2021-03-26 15:03:36,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15409 conditions, 1229 events. 535/1229 cut-off events. For 66781/66820 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8473 event pairs, 9 based on Foata normal form. 4/1086 useless extension candidates. Maximal degree in co-relation 15174. Up to 364 conditions per place. [2021-03-26 15:03:36,852 INFO L142 LiptonReduction]: Number of co-enabled transitions 1928 [2021-03-26 15:03:36,971 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:03:36,971 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:03:36,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 343 [2021-03-26 15:03:36,971 INFO L480 AbstractCegarLoop]: Abstraction has has 431 places, 614 transitions, 18811 flow [2021-03-26 15:03:36,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:36,971 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:36,971 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:36,971 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-26 15:03:36,971 INFO L428 AbstractCegarLoop]: === Iteration 117 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:36,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:36,972 INFO L82 PathProgramCache]: Analyzing trace with hash -2089034314, now seen corresponding path program 52 times [2021-03-26 15:03:36,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:36,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159375000] [2021-03-26 15:03:36,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:36,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:36,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:36,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:36,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:36,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:36,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:36,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:36,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:37,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:37,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:37,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:37,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:37,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:37,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:37,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:37,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:37,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:37,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:37,038 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:37,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:37,041 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:37,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:37,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159375000] [2021-03-26 15:03:37,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:37,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:03:37,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127882174] [2021-03-26 15:03:37,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:03:37,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:37,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:03:37,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:03:37,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 113 [2021-03-26 15:03:37,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 614 transitions, 18811 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:37,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:37,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 113 [2021-03-26 15:03:37,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:37,612 INFO L129 PetriNetUnfolder]: 583/1310 cut-off events. [2021-03-26 15:03:37,612 INFO L130 PetriNetUnfolder]: For 70109/70113 co-relation queries the response was YES. [2021-03-26 15:03:37,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16944 conditions, 1310 events. 583/1310 cut-off events. For 70109/70113 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8853 event pairs, 11 based on Foata normal form. 5/1168 useless extension candidates. Maximal degree in co-relation 16695. Up to 841 conditions per place. [2021-03-26 15:03:37,632 INFO L132 encePairwiseOnDemand]: 96/113 looper letters, 556 selfloop transitions, 51 changer transitions 0/625 dead transitions. [2021-03-26 15:03:37,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 625 transitions, 20238 flow [2021-03-26 15:03:37,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:03:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:03:37,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 594 transitions. [2021-03-26 15:03:37,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4778761061946903 [2021-03-26 15:03:37,633 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 594 transitions. [2021-03-26 15:03:37,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 594 transitions. [2021-03-26 15:03:37,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:37,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 594 transitions. [2021-03-26 15:03:37,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.0) internal successors, (594), 11 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:37,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:37,635 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 113.0) internal successors, (1356), 12 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:37,635 INFO L185 Difference]: Start difference. First operand has 431 places, 614 transitions, 18811 flow. Second operand 11 states and 594 transitions. [2021-03-26 15:03:37,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 625 transitions, 20238 flow [2021-03-26 15:03:38,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 625 transitions, 19903 flow, removed 121 selfloop flow, removed 7 redundant places. [2021-03-26 15:03:38,051 INFO L241 Difference]: Finished difference. Result has 437 places, 617 transitions, 18766 flow [2021-03-26 15:03:38,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=18496, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18766, PETRI_PLACES=437, PETRI_TRANSITIONS=617} [2021-03-26 15:03:38,051 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 384 predicate places. [2021-03-26 15:03:38,051 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:38,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 437 places, 617 transitions, 18766 flow [2021-03-26 15:03:38,051 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 437 places, 617 transitions, 18766 flow [2021-03-26 15:03:38,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 617 transitions, 18766 flow [2021-03-26 15:03:38,248 INFO L129 PetriNetUnfolder]: 524/1217 cut-off events. [2021-03-26 15:03:38,248 INFO L130 PetriNetUnfolder]: For 66361/66401 co-relation queries the response was YES. [2021-03-26 15:03:38,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15097 conditions, 1217 events. 524/1217 cut-off events. For 66361/66401 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8484 event pairs, 9 based on Foata normal form. 5/1073 useless extension candidates. Maximal degree in co-relation 14859. Up to 356 conditions per place. [2021-03-26 15:03:38,273 INFO L142 LiptonReduction]: Number of co-enabled transitions 1952 [2021-03-26 15:03:38,316 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:38,316 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:38,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 265 [2021-03-26 15:03:38,316 INFO L480 AbstractCegarLoop]: Abstraction has has 437 places, 617 transitions, 18766 flow [2021-03-26 15:03:38,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:38,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:38,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:38,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-26 15:03:38,316 INFO L428 AbstractCegarLoop]: === Iteration 118 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:38,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:38,317 INFO L82 PathProgramCache]: Analyzing trace with hash -2104976072, now seen corresponding path program 53 times [2021-03-26 15:03:38,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:38,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062718786] [2021-03-26 15:03:38,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:38,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:38,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:38,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:38,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:38,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:38,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:38,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:38,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:38,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:38,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:38,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:38,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:38,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:38,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:38,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:38,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:38,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:38,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:38,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:38,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:38,421 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:38,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062718786] [2021-03-26 15:03:38,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:38,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:38,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132092003] [2021-03-26 15:03:38,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:38,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:38,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:38,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:38,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 113 [2021-03-26 15:03:38,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 617 transitions, 18766 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:38,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:38,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 113 [2021-03-26 15:03:38,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:38,993 INFO L129 PetriNetUnfolder]: 587/1326 cut-off events. [2021-03-26 15:03:38,993 INFO L130 PetriNetUnfolder]: For 70552/70556 co-relation queries the response was YES. [2021-03-26 15:03:39,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16931 conditions, 1326 events. 587/1326 cut-off events. For 70552/70556 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 8966 event pairs, 11 based on Foata normal form. 5/1179 useless extension candidates. Maximal degree in co-relation 16679. Up to 834 conditions per place. [2021-03-26 15:03:39,013 INFO L132 encePairwiseOnDemand]: 96/113 looper letters, 547 selfloop transitions, 63 changer transitions 0/628 dead transitions. [2021-03-26 15:03:39,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 628 transitions, 20175 flow [2021-03-26 15:03:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:39,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 696 transitions. [2021-03-26 15:03:39,014 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47379169503063306 [2021-03-26 15:03:39,014 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 696 transitions. [2021-03-26 15:03:39,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 696 transitions. [2021-03-26 15:03:39,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:39,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 696 transitions. [2021-03-26 15:03:39,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.53846153846154) internal successors, (696), 13 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:39,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 113.0) internal successors, (1582), 14 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:39,015 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 113.0) internal successors, (1582), 14 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:39,015 INFO L185 Difference]: Start difference. First operand has 437 places, 617 transitions, 18766 flow. Second operand 13 states and 696 transitions. [2021-03-26 15:03:39,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 628 transitions, 20175 flow [2021-03-26 15:03:39,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 628 transitions, 20054 flow, removed 29 selfloop flow, removed 6 redundant places. [2021-03-26 15:03:39,450 INFO L241 Difference]: Finished difference. Result has 446 places, 619 transitions, 18937 flow [2021-03-26 15:03:39,451 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=18645, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=617, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18937, PETRI_PLACES=446, PETRI_TRANSITIONS=619} [2021-03-26 15:03:39,451 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 393 predicate places. [2021-03-26 15:03:39,451 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:39,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 446 places, 619 transitions, 18937 flow [2021-03-26 15:03:39,451 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 446 places, 619 transitions, 18937 flow [2021-03-26 15:03:39,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 619 transitions, 18937 flow [2021-03-26 15:03:39,646 INFO L129 PetriNetUnfolder]: 518/1210 cut-off events. [2021-03-26 15:03:39,647 INFO L130 PetriNetUnfolder]: For 66767/66808 co-relation queries the response was YES. [2021-03-26 15:03:39,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15037 conditions, 1210 events. 518/1210 cut-off events. For 66767/66808 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8447 event pairs, 9 based on Foata normal form. 6/1068 useless extension candidates. Maximal degree in co-relation 14796. Up to 350 conditions per place. [2021-03-26 15:03:39,672 INFO L142 LiptonReduction]: Number of co-enabled transitions 1972 [2021-03-26 15:03:39,795 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:39,795 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:03:39,796 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 345 [2021-03-26 15:03:39,796 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 619 transitions, 18944 flow [2021-03-26 15:03:39,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:39,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:39,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:39,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-26 15:03:39,796 INFO L428 AbstractCegarLoop]: === Iteration 119 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:39,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:39,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1928427440, now seen corresponding path program 54 times [2021-03-26 15:03:39,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:39,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451233440] [2021-03-26 15:03:39,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:39,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:39,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:39,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:39,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:39,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:39,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:39,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:39,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:39,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:39,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:39,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:39,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:39,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:39,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:39,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:39,851 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:39,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:39,862 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:39,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:39,875 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:03:39,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:39,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:39,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451233440] [2021-03-26 15:03:39,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:39,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:39,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625766948] [2021-03-26 15:03:39,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:39,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:39,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:39,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:39,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 114 [2021-03-26 15:03:39,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 619 transitions, 18944 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:39,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:39,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 114 [2021-03-26 15:03:39,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:40,490 INFO L129 PetriNetUnfolder]: 587/1333 cut-off events. [2021-03-26 15:03:40,490 INFO L130 PetriNetUnfolder]: For 71353/71357 co-relation queries the response was YES. [2021-03-26 15:03:40,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17003 conditions, 1333 events. 587/1333 cut-off events. For 71353/71357 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 9060 event pairs, 11 based on Foata normal form. 5/1185 useless extension candidates. Maximal degree in co-relation 16748. Up to 838 conditions per place. [2021-03-26 15:03:40,510 INFO L132 encePairwiseOnDemand]: 96/114 looper letters, 547 selfloop transitions, 58 changer transitions 6/629 dead transitions. [2021-03-26 15:03:40,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 629 transitions, 20278 flow [2021-03-26 15:03:40,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 694 transitions. [2021-03-26 15:03:40,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4682860998650472 [2021-03-26 15:03:40,511 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 694 transitions. [2021-03-26 15:03:40,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 694 transitions. [2021-03-26 15:03:40,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:40,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 694 transitions. [2021-03-26 15:03:40,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.38461538461539) internal successors, (694), 13 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:40,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:40,513 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:40,513 INFO L185 Difference]: Start difference. First operand has 446 places, 619 transitions, 18944 flow. Second operand 13 states and 694 transitions. [2021-03-26 15:03:40,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 629 transitions, 20278 flow [2021-03-26 15:03:40,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 629 transitions, 20117 flow, removed 21 selfloop flow, removed 11 redundant places. [2021-03-26 15:03:40,929 INFO L241 Difference]: Finished difference. Result has 450 places, 615 transitions, 18823 flow [2021-03-26 15:03:40,929 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=18783, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=619, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18823, PETRI_PLACES=450, PETRI_TRANSITIONS=615} [2021-03-26 15:03:40,930 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 397 predicate places. [2021-03-26 15:03:40,930 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:40,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 450 places, 615 transitions, 18823 flow [2021-03-26 15:03:40,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 450 places, 615 transitions, 18823 flow [2021-03-26 15:03:40,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 449 places, 615 transitions, 18823 flow [2021-03-26 15:03:41,126 INFO L129 PetriNetUnfolder]: 525/1224 cut-off events. [2021-03-26 15:03:41,126 INFO L130 PetriNetUnfolder]: For 66197/66226 co-relation queries the response was YES. [2021-03-26 15:03:41,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15204 conditions, 1224 events. 525/1224 cut-off events. For 66197/66226 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8519 event pairs, 8 based on Foata normal form. 5/1077 useless extension candidates. Maximal degree in co-relation 15020. Up to 351 conditions per place. [2021-03-26 15:03:41,151 INFO L142 LiptonReduction]: Number of co-enabled transitions 1972 [2021-03-26 15:03:41,192 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:41,193 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:41,193 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-26 15:03:41,193 INFO L480 AbstractCegarLoop]: Abstraction has has 449 places, 615 transitions, 18823 flow [2021-03-26 15:03:41,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:41,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:41,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:41,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-26 15:03:41,193 INFO L428 AbstractCegarLoop]: === Iteration 120 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:41,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:41,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1431704590, now seen corresponding path program 1 times [2021-03-26 15:03:41,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:41,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825098469] [2021-03-26 15:03:41,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:41,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:41,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:41,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:41,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:41,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:41,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:41,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:41,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:03:41,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:41,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:41,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:41,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:41,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:41,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:41,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:41,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:41,277 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:41,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:41,292 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:41,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:41,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825098469] [2021-03-26 15:03:41,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:41,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:41,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797624375] [2021-03-26 15:03:41,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:41,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:41,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:41,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:41,296 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 114 [2021-03-26 15:03:41,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 615 transitions, 18823 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:41,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:41,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 114 [2021-03-26 15:03:41,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:41,867 INFO L129 PetriNetUnfolder]: 588/1330 cut-off events. [2021-03-26 15:03:41,867 INFO L130 PetriNetUnfolder]: For 68557/68569 co-relation queries the response was YES. [2021-03-26 15:03:41,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16911 conditions, 1330 events. 588/1330 cut-off events. For 68557/68569 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9004 event pairs, 1 based on Foata normal form. 13/1188 useless extension candidates. Maximal degree in co-relation 16725. Up to 841 conditions per place. [2021-03-26 15:03:41,888 INFO L132 encePairwiseOnDemand]: 96/114 looper letters, 559 selfloop transitions, 38 changer transitions 7/622 dead transitions. [2021-03-26 15:03:41,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 622 transitions, 20086 flow [2021-03-26 15:03:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 685 transitions. [2021-03-26 15:03:41,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4622132253711201 [2021-03-26 15:03:41,889 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 685 transitions. [2021-03-26 15:03:41,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 685 transitions. [2021-03-26 15:03:41,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:41,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 685 transitions. [2021-03-26 15:03:41,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.69230769230769) internal successors, (685), 13 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:41,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:41,890 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 114.0) internal successors, (1596), 14 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:41,890 INFO L185 Difference]: Start difference. First operand has 449 places, 615 transitions, 18823 flow. Second operand 13 states and 685 transitions. [2021-03-26 15:03:41,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 622 transitions, 20086 flow [2021-03-26 15:03:42,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 622 transitions, 19946 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-26 15:03:42,343 INFO L241 Difference]: Finished difference. Result has 450 places, 609 transitions, 18669 flow [2021-03-26 15:03:42,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=18685, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=577, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=18669, PETRI_PLACES=450, PETRI_TRANSITIONS=609} [2021-03-26 15:03:42,343 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 397 predicate places. [2021-03-26 15:03:42,344 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:42,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 450 places, 609 transitions, 18669 flow [2021-03-26 15:03:42,344 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 450 places, 609 transitions, 18669 flow [2021-03-26 15:03:42,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 444 places, 609 transitions, 18669 flow [2021-03-26 15:03:42,537 INFO L129 PetriNetUnfolder]: 519/1202 cut-off events. [2021-03-26 15:03:42,537 INFO L130 PetriNetUnfolder]: For 65530/65569 co-relation queries the response was YES. [2021-03-26 15:03:42,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15099 conditions, 1202 events. 519/1202 cut-off events. For 65530/65569 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8274 event pairs, 8 based on Foata normal form. 4/1058 useless extension candidates. Maximal degree in co-relation 14920. Up to 351 conditions per place. [2021-03-26 15:03:42,562 INFO L142 LiptonReduction]: Number of co-enabled transitions 1940 [2021-03-26 15:03:42,602 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:42,602 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:42,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 259 [2021-03-26 15:03:42,602 INFO L480 AbstractCegarLoop]: Abstraction has has 444 places, 609 transitions, 18669 flow [2021-03-26 15:03:42,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:42,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:42,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:42,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-26 15:03:42,603 INFO L428 AbstractCegarLoop]: === Iteration 121 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:42,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:42,603 INFO L82 PathProgramCache]: Analyzing trace with hash -394490580, now seen corresponding path program 55 times [2021-03-26 15:03:42,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:42,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984629204] [2021-03-26 15:03:42,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:42,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:42,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:42,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:42,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:42,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:42,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:42,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:42,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:42,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:42,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:42,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:42,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:42,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:42,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:42,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:42,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:42,672 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:03:42,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:42,693 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:42,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:42,711 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:42,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:42,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984629204] [2021-03-26 15:03:42,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:42,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:42,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322589236] [2021-03-26 15:03:42,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:42,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:42,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:42,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:42,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 114 [2021-03-26 15:03:42,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 609 transitions, 18669 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:42,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:42,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 114 [2021-03-26 15:03:42,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:43,332 INFO L129 PetriNetUnfolder]: 578/1300 cut-off events. [2021-03-26 15:03:43,332 INFO L130 PetriNetUnfolder]: For 69857/69861 co-relation queries the response was YES. [2021-03-26 15:03:43,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16790 conditions, 1300 events. 578/1300 cut-off events. For 69857/69861 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8734 event pairs, 11 based on Foata normal form. 5/1159 useless extension candidates. Maximal degree in co-relation 16604. Up to 827 conditions per place. [2021-03-26 15:03:43,353 INFO L132 encePairwiseOnDemand]: 97/114 looper letters, 537 selfloop transitions, 61 changer transitions 3/619 dead transitions. [2021-03-26 15:03:43,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 619 transitions, 19965 flow [2021-03-26 15:03:43,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:03:43,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:03:43,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 789 transitions. [2021-03-26 15:03:43,354 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4614035087719298 [2021-03-26 15:03:43,354 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 789 transitions. [2021-03-26 15:03:43,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 789 transitions. [2021-03-26 15:03:43,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:43,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 789 transitions. [2021-03-26 15:03:43,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.6) internal successors, (789), 15 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:43,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:43,356 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 114.0) internal successors, (1824), 16 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:43,356 INFO L185 Difference]: Start difference. First operand has 444 places, 609 transitions, 18669 flow. Second operand 15 states and 789 transitions. [2021-03-26 15:03:43,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 619 transitions, 19965 flow [2021-03-26 15:03:43,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 619 transitions, 19847 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 15:03:43,760 INFO L241 Difference]: Finished difference. Result has 447 places, 607 transitions, 18635 flow [2021-03-26 15:03:43,761 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=18553, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=609, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=548, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=18635, PETRI_PLACES=447, PETRI_TRANSITIONS=607} [2021-03-26 15:03:43,761 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 394 predicate places. [2021-03-26 15:03:43,761 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:43,761 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 447 places, 607 transitions, 18635 flow [2021-03-26 15:03:43,761 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 447 places, 607 transitions, 18635 flow [2021-03-26 15:03:43,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 446 places, 607 transitions, 18635 flow [2021-03-26 15:03:43,955 INFO L129 PetriNetUnfolder]: 527/1212 cut-off events. [2021-03-26 15:03:43,955 INFO L130 PetriNetUnfolder]: For 67376/67415 co-relation queries the response was YES. [2021-03-26 15:03:43,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15310 conditions, 1212 events. 527/1212 cut-off events. For 67376/67415 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 8326 event pairs, 10 based on Foata normal form. 4/1073 useless extension candidates. Maximal degree in co-relation 15130. Up to 360 conditions per place. [2021-03-26 15:03:43,980 INFO L142 LiptonReduction]: Number of co-enabled transitions 1940 [2021-03-26 15:03:44,020 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:44,020 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:44,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 259 [2021-03-26 15:03:44,020 INFO L480 AbstractCegarLoop]: Abstraction has has 446 places, 607 transitions, 18635 flow [2021-03-26 15:03:44,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:44,020 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:44,020 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:44,020 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-26 15:03:44,021 INFO L428 AbstractCegarLoop]: === Iteration 122 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:44,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:44,021 INFO L82 PathProgramCache]: Analyzing trace with hash -969623520, now seen corresponding path program 56 times [2021-03-26 15:03:44,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:44,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97711462] [2021-03-26 15:03:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:44,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:44,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:44,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:44,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:44,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:44,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:44,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:44,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:44,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:44,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:44,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:44,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:44,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:44,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:44,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:44,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:44,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:44,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:44,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:44,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:44,089 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:44,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:44,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97711462] [2021-03-26 15:03:44,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:44,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:03:44,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949127056] [2021-03-26 15:03:44,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:03:44,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:44,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:03:44,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:03:44,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 114 [2021-03-26 15:03:44,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 607 transitions, 18635 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:44,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:44,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 114 [2021-03-26 15:03:44,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:44,638 INFO L129 PetriNetUnfolder]: 583/1310 cut-off events. [2021-03-26 15:03:44,638 INFO L130 PetriNetUnfolder]: For 70221/70227 co-relation queries the response was YES. [2021-03-26 15:03:44,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16891 conditions, 1310 events. 583/1310 cut-off events. For 70221/70227 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 8852 event pairs, 3 based on Foata normal form. 7/1168 useless extension candidates. Maximal degree in co-relation 16709. Up to 769 conditions per place. [2021-03-26 15:03:44,658 INFO L132 encePairwiseOnDemand]: 98/114 looper letters, 471 selfloop transitions, 131 changer transitions 0/620 dead transitions. [2021-03-26 15:03:44,658 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 620 transitions, 20125 flow [2021-03-26 15:03:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:03:44,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:03:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 549 transitions. [2021-03-26 15:03:44,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48157894736842105 [2021-03-26 15:03:44,659 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 549 transitions. [2021-03-26 15:03:44,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 549 transitions. [2021-03-26 15:03:44,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:44,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 549 transitions. [2021-03-26 15:03:44,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.9) internal successors, (549), 10 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:44,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 114.0) internal successors, (1254), 11 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:44,660 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 114.0) internal successors, (1254), 11 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:44,660 INFO L185 Difference]: Start difference. First operand has 446 places, 607 transitions, 18635 flow. Second operand 10 states and 549 transitions. [2021-03-26 15:03:44,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 620 transitions, 20125 flow [2021-03-26 15:03:45,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 620 transitions, 19758 flow, removed 111 selfloop flow, removed 17 redundant places. [2021-03-26 15:03:45,057 INFO L241 Difference]: Finished difference. Result has 441 places, 613 transitions, 18879 flow [2021-03-26 15:03:45,058 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=18270, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18879, PETRI_PLACES=441, PETRI_TRANSITIONS=613} [2021-03-26 15:03:45,058 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 388 predicate places. [2021-03-26 15:03:45,058 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:45,058 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 613 transitions, 18879 flow [2021-03-26 15:03:45,058 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 613 transitions, 18879 flow [2021-03-26 15:03:45,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 441 places, 613 transitions, 18879 flow [2021-03-26 15:03:45,258 INFO L129 PetriNetUnfolder]: 521/1210 cut-off events. [2021-03-26 15:03:45,258 INFO L130 PetriNetUnfolder]: For 67164/67211 co-relation queries the response was YES. [2021-03-26 15:03:45,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15093 conditions, 1210 events. 521/1210 cut-off events. For 67164/67211 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8392 event pairs, 3 based on Foata normal form. 5/1067 useless extension candidates. Maximal degree in co-relation 14852. Up to 353 conditions per place. [2021-03-26 15:03:45,283 INFO L142 LiptonReduction]: Number of co-enabled transitions 1976 [2021-03-26 15:03:45,400 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:03:45,400 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:03:45,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 342 [2021-03-26 15:03:45,401 INFO L480 AbstractCegarLoop]: Abstraction has has 441 places, 613 transitions, 18938 flow [2021-03-26 15:03:45,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:45,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:45,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:45,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-26 15:03:45,401 INFO L428 AbstractCegarLoop]: === Iteration 123 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:45,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:45,401 INFO L82 PathProgramCache]: Analyzing trace with hash -369358146, now seen corresponding path program 57 times [2021-03-26 15:03:45,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:45,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864170104] [2021-03-26 15:03:45,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:45,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:45,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:45,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:45,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:45,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:45,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:45,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:45,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:45,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:45,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:45,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:45,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:45,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:45,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:45,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:45,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:45,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:45,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:45,481 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:45,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:45,484 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:45,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:45,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864170104] [2021-03-26 15:03:45,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:45,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:45,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178759236] [2021-03-26 15:03:45,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:45,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:45,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:45,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:45,487 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2021-03-26 15:03:45,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 613 transitions, 18938 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:45,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:45,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2021-03-26 15:03:45,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:46,115 INFO L129 PetriNetUnfolder]: 581/1312 cut-off events. [2021-03-26 15:03:46,115 INFO L130 PetriNetUnfolder]: For 69410/69422 co-relation queries the response was YES. [2021-03-26 15:03:46,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16971 conditions, 1312 events. 581/1312 cut-off events. For 69410/69422 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8870 event pairs, 3 based on Foata normal form. 13/1178 useless extension candidates. Maximal degree in co-relation 16716. Up to 714 conditions per place. [2021-03-26 15:03:46,139 INFO L132 encePairwiseOnDemand]: 97/115 looper letters, 448 selfloop transitions, 160 changer transitions 0/626 dead transitions. [2021-03-26 15:03:46,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 626 transitions, 20411 flow [2021-03-26 15:03:46,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:03:46,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:03:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 608 transitions. [2021-03-26 15:03:46,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4806324110671937 [2021-03-26 15:03:46,140 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 608 transitions. [2021-03-26 15:03:46,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 608 transitions. [2021-03-26 15:03:46,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:46,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 608 transitions. [2021-03-26 15:03:46,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.27272727272727) internal successors, (608), 11 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:46,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:46,141 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:46,141 INFO L185 Difference]: Start difference. First operand has 441 places, 613 transitions, 18938 flow. Second operand 11 states and 608 transitions. [2021-03-26 15:03:46,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 626 transitions, 20411 flow [2021-03-26 15:03:46,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 626 transitions, 20008 flow, removed 111 selfloop flow, removed 5 redundant places. [2021-03-26 15:03:46,567 INFO L241 Difference]: Finished difference. Result has 449 places, 617 transitions, 19176 flow [2021-03-26 15:03:46,568 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=18535, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=19176, PETRI_PLACES=449, PETRI_TRANSITIONS=617} [2021-03-26 15:03:46,568 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 396 predicate places. [2021-03-26 15:03:46,568 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:46,568 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 617 transitions, 19176 flow [2021-03-26 15:03:46,568 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 617 transitions, 19176 flow [2021-03-26 15:03:46,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 449 places, 617 transitions, 19176 flow [2021-03-26 15:03:46,768 INFO L129 PetriNetUnfolder]: 524/1223 cut-off events. [2021-03-26 15:03:46,768 INFO L130 PetriNetUnfolder]: For 66542/66575 co-relation queries the response was YES. [2021-03-26 15:03:46,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15337 conditions, 1223 events. 524/1223 cut-off events. For 66542/66575 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8487 event pairs, 3 based on Foata normal form. 6/1078 useless extension candidates. Maximal degree in co-relation 15091. Up to 352 conditions per place. [2021-03-26 15:03:46,795 INFO L142 LiptonReduction]: Number of co-enabled transitions 2004 [2021-03-26 15:03:46,835 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:46,835 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:46,836 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-03-26 15:03:46,836 INFO L480 AbstractCegarLoop]: Abstraction has has 449 places, 617 transitions, 19176 flow [2021-03-26 15:03:46,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:46,836 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:46,836 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:46,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-26 15:03:46,836 INFO L428 AbstractCegarLoop]: === Iteration 124 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:46,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:46,836 INFO L82 PathProgramCache]: Analyzing trace with hash -183741646, now seen corresponding path program 58 times [2021-03-26 15:03:46,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:46,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641892933] [2021-03-26 15:03:46,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:46,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:46,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:46,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:46,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:46,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:46,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:46,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:46,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:46,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:46,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:46,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:46,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:46,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:46,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:46,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:46,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:46,926 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:46,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:46,928 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:46,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:46,940 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:46,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:46,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641892933] [2021-03-26 15:03:46,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:46,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:46,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257369683] [2021-03-26 15:03:46,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:46,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:46,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:46,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:46,943 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2021-03-26 15:03:46,944 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 617 transitions, 19176 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:46,944 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:46,944 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2021-03-26 15:03:46,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:47,623 INFO L129 PetriNetUnfolder]: 597/1360 cut-off events. [2021-03-26 15:03:47,623 INFO L130 PetriNetUnfolder]: For 72522/72534 co-relation queries the response was YES. [2021-03-26 15:03:47,637 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17383 conditions, 1360 events. 597/1360 cut-off events. For 72522/72534 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9295 event pairs, 2 based on Foata normal form. 14/1214 useless extension candidates. Maximal degree in co-relation 17123. Up to 736 conditions per place. [2021-03-26 15:03:47,642 INFO L132 encePairwiseOnDemand]: 99/115 looper letters, 414 selfloop transitions, 197 changer transitions 7/636 dead transitions. [2021-03-26 15:03:47,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 636 transitions, 20909 flow [2021-03-26 15:03:47,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:03:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:03:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 609 transitions. [2021-03-26 15:03:47,644 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48142292490118577 [2021-03-26 15:03:47,644 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 609 transitions. [2021-03-26 15:03:47,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 609 transitions. [2021-03-26 15:03:47,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:47,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 609 transitions. [2021-03-26 15:03:47,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.36363636363637) internal successors, (609), 11 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:47,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:47,645 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:47,645 INFO L185 Difference]: Start difference. First operand has 449 places, 617 transitions, 19176 flow. Second operand 11 states and 609 transitions. [2021-03-26 15:03:47,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 636 transitions, 20909 flow [2021-03-26 15:03:48,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 636 transitions, 20321 flow, removed 98 selfloop flow, removed 10 redundant places. [2021-03-26 15:03:48,095 INFO L241 Difference]: Finished difference. Result has 452 places, 620 transitions, 19252 flow [2021-03-26 15:03:48,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=18598, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=617, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=19252, PETRI_PLACES=452, PETRI_TRANSITIONS=620} [2021-03-26 15:03:48,096 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 399 predicate places. [2021-03-26 15:03:48,096 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:48,096 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 620 transitions, 19252 flow [2021-03-26 15:03:48,096 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 620 transitions, 19252 flow [2021-03-26 15:03:48,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 452 places, 620 transitions, 19252 flow [2021-03-26 15:03:48,391 INFO L129 PetriNetUnfolder]: 527/1237 cut-off events. [2021-03-26 15:03:48,391 INFO L130 PetriNetUnfolder]: For 68107/68146 co-relation queries the response was YES. [2021-03-26 15:03:48,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15326 conditions, 1237 events. 527/1237 cut-off events. For 68107/68146 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 8647 event pairs, 3 based on Foata normal form. 4/1085 useless extension candidates. Maximal degree in co-relation 15119. Up to 348 conditions per place. [2021-03-26 15:03:48,435 INFO L142 LiptonReduction]: Number of co-enabled transitions 2074 [2021-03-26 15:03:48,478 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:48,478 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:48,478 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 382 [2021-03-26 15:03:48,479 INFO L480 AbstractCegarLoop]: Abstraction has has 452 places, 620 transitions, 19252 flow [2021-03-26 15:03:48,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:48,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:48,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:48,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-26 15:03:48,479 INFO L428 AbstractCegarLoop]: === Iteration 125 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:48,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:48,479 INFO L82 PathProgramCache]: Analyzing trace with hash -549298202, now seen corresponding path program 59 times [2021-03-26 15:03:48,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:48,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641205356] [2021-03-26 15:03:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:48,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:48,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:48,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:48,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:48,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:48,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:48,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:48,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:48,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:48,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:48,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:48,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:48,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:48,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:48,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:48,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:48,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:48,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:48,570 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:48,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:48,574 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:48,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:48,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641205356] [2021-03-26 15:03:48,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:48,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:48,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179177976] [2021-03-26 15:03:48,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:48,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:48,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:48,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:48,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2021-03-26 15:03:48,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 620 transitions, 19252 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:48,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:48,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2021-03-26 15:03:48,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:49,222 INFO L129 PetriNetUnfolder]: 593/1352 cut-off events. [2021-03-26 15:03:49,222 INFO L130 PetriNetUnfolder]: For 73132/73136 co-relation queries the response was YES. [2021-03-26 15:03:49,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17117 conditions, 1352 events. 593/1352 cut-off events. For 73132/73136 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 9259 event pairs, 11 based on Foata normal form. 5/1197 useless extension candidates. Maximal degree in co-relation 16906. Up to 765 conditions per place. [2021-03-26 15:03:49,243 INFO L132 encePairwiseOnDemand]: 98/115 looper letters, 475 selfloop transitions, 140 changer transitions 0/633 dead transitions. [2021-03-26 15:03:49,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 633 transitions, 20699 flow [2021-03-26 15:03:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 704 transitions. [2021-03-26 15:03:49,244 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4709030100334448 [2021-03-26 15:03:49,244 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 704 transitions. [2021-03-26 15:03:49,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 704 transitions. [2021-03-26 15:03:49,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:49,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 704 transitions. [2021-03-26 15:03:49,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.15384615384615) internal successors, (704), 13 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:49,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:49,246 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:49,246 INFO L185 Difference]: Start difference. First operand has 452 places, 620 transitions, 19252 flow. Second operand 13 states and 704 transitions. [2021-03-26 15:03:49,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 633 transitions, 20699 flow [2021-03-26 15:03:49,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 633 transitions, 20275 flow, removed 140 selfloop flow, removed 4 redundant places. [2021-03-26 15:03:49,674 INFO L241 Difference]: Finished difference. Result has 465 places, 625 transitions, 19335 flow [2021-03-26 15:03:49,675 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=18828, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=620, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19335, PETRI_PLACES=465, PETRI_TRANSITIONS=625} [2021-03-26 15:03:49,675 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 412 predicate places. [2021-03-26 15:03:49,675 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:49,675 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 465 places, 625 transitions, 19335 flow [2021-03-26 15:03:49,675 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 465 places, 625 transitions, 19335 flow [2021-03-26 15:03:49,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 465 places, 625 transitions, 19335 flow [2021-03-26 15:03:49,879 INFO L129 PetriNetUnfolder]: 532/1253 cut-off events. [2021-03-26 15:03:49,880 INFO L130 PetriNetUnfolder]: For 69852/69891 co-relation queries the response was YES. [2021-03-26 15:03:49,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15440 conditions, 1253 events. 532/1253 cut-off events. For 69852/69891 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 8787 event pairs, 4 based on Foata normal form. 4/1099 useless extension candidates. Maximal degree in co-relation 15227. Up to 350 conditions per place. [2021-03-26 15:03:49,907 INFO L142 LiptonReduction]: Number of co-enabled transitions 2112 [2021-03-26 15:03:49,949 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:49,949 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:49,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 274 [2021-03-26 15:03:49,949 INFO L480 AbstractCegarLoop]: Abstraction has has 465 places, 625 transitions, 19335 flow [2021-03-26 15:03:49,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:49,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:49,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:49,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-26 15:03:49,949 INFO L428 AbstractCegarLoop]: === Iteration 126 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:49,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:49,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1356968010, now seen corresponding path program 60 times [2021-03-26 15:03:49,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:49,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810208804] [2021-03-26 15:03:49,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:49,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:49,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:49,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:49,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:49,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:49,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:50,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:50,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:50,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:50,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:50,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:50,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:50,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:50,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:50,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:50,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:50,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:50,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:50,056 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:50,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:50,060 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:50,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:50,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810208804] [2021-03-26 15:03:50,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:50,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:50,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626273969] [2021-03-26 15:03:50,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:50,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:50,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:50,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:50,063 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2021-03-26 15:03:50,063 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 625 transitions, 19335 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:50,063 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:50,063 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2021-03-26 15:03:50,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:50,772 INFO L129 PetriNetUnfolder]: 607/1393 cut-off events. [2021-03-26 15:03:50,773 INFO L130 PetriNetUnfolder]: For 74368/74372 co-relation queries the response was YES. [2021-03-26 15:03:50,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17398 conditions, 1393 events. 607/1393 cut-off events. For 74368/74372 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 9626 event pairs, 11 based on Foata normal form. 5/1227 useless extension candidates. Maximal degree in co-relation 17181. Up to 788 conditions per place. [2021-03-26 15:03:50,792 INFO L132 encePairwiseOnDemand]: 98/115 looper letters, 477 selfloop transitions, 150 changer transitions 0/645 dead transitions. [2021-03-26 15:03:50,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 645 transitions, 21055 flow [2021-03-26 15:03:50,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:03:50,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:03:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 815 transitions. [2021-03-26 15:03:50,793 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47246376811594204 [2021-03-26 15:03:50,793 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 815 transitions. [2021-03-26 15:03:50,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 815 transitions. [2021-03-26 15:03:50,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:50,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 815 transitions. [2021-03-26 15:03:50,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.333333333333336) internal successors, (815), 15 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:50,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:50,795 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 115.0) internal successors, (1840), 16 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:50,795 INFO L185 Difference]: Start difference. First operand has 465 places, 625 transitions, 19335 flow. Second operand 15 states and 815 transitions. [2021-03-26 15:03:50,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 645 transitions, 21055 flow [2021-03-26 15:03:51,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 645 transitions, 20592 flow, removed 96 selfloop flow, removed 8 redundant places. [2021-03-26 15:03:51,229 INFO L241 Difference]: Finished difference. Result has 474 places, 636 transitions, 19682 flow [2021-03-26 15:03:51,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=18874, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=19682, PETRI_PLACES=474, PETRI_TRANSITIONS=636} [2021-03-26 15:03:51,229 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 421 predicate places. [2021-03-26 15:03:51,229 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:51,229 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 474 places, 636 transitions, 19682 flow [2021-03-26 15:03:51,229 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 474 places, 636 transitions, 19682 flow [2021-03-26 15:03:51,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 636 transitions, 19682 flow [2021-03-26 15:03:51,440 INFO L129 PetriNetUnfolder]: 541/1286 cut-off events. [2021-03-26 15:03:51,440 INFO L130 PetriNetUnfolder]: For 69854/69955 co-relation queries the response was YES. [2021-03-26 15:03:51,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15673 conditions, 1286 events. 541/1286 cut-off events. For 69854/69955 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9132 event pairs, 4 based on Foata normal form. 5/1126 useless extension candidates. Maximal degree in co-relation 15471. Up to 351 conditions per place. [2021-03-26 15:03:51,469 INFO L142 LiptonReduction]: Number of co-enabled transitions 2160 [2021-03-26 15:03:51,513 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:51,514 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:51,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 285 [2021-03-26 15:03:51,514 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 636 transitions, 19682 flow [2021-03-26 15:03:51,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:51,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:51,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:51,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-03-26 15:03:51,514 INFO L428 AbstractCegarLoop]: === Iteration 127 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:51,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:51,514 INFO L82 PathProgramCache]: Analyzing trace with hash -501574920, now seen corresponding path program 61 times [2021-03-26 15:03:51,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:51,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352311481] [2021-03-26 15:03:51,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:51,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:51,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:51,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:51,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:51,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:51,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:51,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:51,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:51,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:51,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:51,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:51,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:51,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:51,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:51,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:51,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:51,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:51,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:51,593 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:51,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:51,597 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:51,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:51,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352311481] [2021-03-26 15:03:51,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:51,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:51,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075733999] [2021-03-26 15:03:51,599 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:51,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:51,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:51,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:51,600 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2021-03-26 15:03:51,600 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 636 transitions, 19682 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:51,600 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:51,600 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2021-03-26 15:03:51,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:52,220 INFO L129 PetriNetUnfolder]: 611/1418 cut-off events. [2021-03-26 15:03:52,220 INFO L130 PetriNetUnfolder]: For 73057/73063 co-relation queries the response was YES. [2021-03-26 15:03:52,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17545 conditions, 1418 events. 611/1418 cut-off events. For 73057/73063 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 9923 event pairs, 2 based on Foata normal form. 7/1250 useless extension candidates. Maximal degree in co-relation 17325. Up to 805 conditions per place. [2021-03-26 15:03:52,246 INFO L132 encePairwiseOnDemand]: 99/115 looper letters, 500 selfloop transitions, 131 changer transitions 0/649 dead transitions. [2021-03-26 15:03:52,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 649 transitions, 21212 flow [2021-03-26 15:03:52,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:03:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:03:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 648 transitions. [2021-03-26 15:03:52,247 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46956521739130436 [2021-03-26 15:03:52,247 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 648 transitions. [2021-03-26 15:03:52,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 648 transitions. [2021-03-26 15:03:52,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:52,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 648 transitions. [2021-03-26 15:03:52,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.0) internal successors, (648), 12 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:52,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 115.0) internal successors, (1495), 13 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:52,248 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 115.0) internal successors, (1495), 13 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:52,248 INFO L185 Difference]: Start difference. First operand has 474 places, 636 transitions, 19682 flow. Second operand 12 states and 648 transitions. [2021-03-26 15:03:52,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 649 transitions, 21212 flow [2021-03-26 15:03:52,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 649 transitions, 20944 flow, removed 71 selfloop flow, removed 7 redundant places. [2021-03-26 15:03:52,745 INFO L241 Difference]: Finished difference. Result has 482 places, 643 transitions, 19945 flow [2021-03-26 15:03:52,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=19414, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=124, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=19945, PETRI_PLACES=482, PETRI_TRANSITIONS=643} [2021-03-26 15:03:52,745 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 429 predicate places. [2021-03-26 15:03:52,745 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:52,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 482 places, 643 transitions, 19945 flow [2021-03-26 15:03:52,746 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 482 places, 643 transitions, 19945 flow [2021-03-26 15:03:52,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 643 transitions, 19945 flow [2021-03-26 15:03:52,963 INFO L129 PetriNetUnfolder]: 545/1312 cut-off events. [2021-03-26 15:03:52,964 INFO L130 PetriNetUnfolder]: For 75604/75642 co-relation queries the response was YES. [2021-03-26 15:03:52,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15724 conditions, 1312 events. 545/1312 cut-off events. For 75604/75642 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 9481 event pairs, 5 based on Foata normal form. 6/1149 useless extension candidates. Maximal degree in co-relation 15506. Up to 352 conditions per place. [2021-03-26 15:03:52,996 INFO L142 LiptonReduction]: Number of co-enabled transitions 2226 [2021-03-26 15:03:53,042 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:53,042 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:53,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-03-26 15:03:53,045 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 643 transitions, 19945 flow [2021-03-26 15:03:53,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:53,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:53,046 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:53,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-03-26 15:03:53,046 INFO L428 AbstractCegarLoop]: === Iteration 128 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:53,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:53,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1189303728, now seen corresponding path program 62 times [2021-03-26 15:03:53,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:53,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047898965] [2021-03-26 15:03:53,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:53,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:53,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:53,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:53,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:53,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:53,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:53,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:53,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:53,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:53,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:53,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:53,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:53,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:53,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:53,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:53,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:53,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:53,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:53,113 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:53,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:53,126 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:53,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:53,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047898965] [2021-03-26 15:03:53,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:53,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:53,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242180578] [2021-03-26 15:03:53,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:53,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:53,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:53,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:53,129 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2021-03-26 15:03:53,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 643 transitions, 19945 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:53,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:53,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2021-03-26 15:03:53,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:53,804 INFO L129 PetriNetUnfolder]: 613/1435 cut-off events. [2021-03-26 15:03:53,804 INFO L130 PetriNetUnfolder]: For 76219/76223 co-relation queries the response was YES. [2021-03-26 15:03:53,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17588 conditions, 1435 events. 613/1435 cut-off events. For 76219/76223 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10126 event pairs, 12 based on Foata normal form. 5/1261 useless extension candidates. Maximal degree in co-relation 17364. Up to 853 conditions per place. [2021-03-26 15:03:53,825 INFO L132 encePairwiseOnDemand]: 98/115 looper letters, 576 selfloop transitions, 52 changer transitions 7/653 dead transitions. [2021-03-26 15:03:53,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 653 transitions, 21294 flow [2021-03-26 15:03:53,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:53,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:53,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 694 transitions. [2021-03-26 15:03:53,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4642140468227425 [2021-03-26 15:03:53,827 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 694 transitions. [2021-03-26 15:03:53,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 694 transitions. [2021-03-26 15:03:53,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:53,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 694 transitions. [2021-03-26 15:03:53,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.38461538461539) internal successors, (694), 13 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:53,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:53,828 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 115.0) internal successors, (1610), 14 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:53,828 INFO L185 Difference]: Start difference. First operand has 482 places, 643 transitions, 19945 flow. Second operand 13 states and 694 transitions. [2021-03-26 15:03:53,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 653 transitions, 21294 flow [2021-03-26 15:03:54,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 653 transitions, 20916 flow, removed 98 selfloop flow, removed 6 redundant places. [2021-03-26 15:03:54,314 INFO L241 Difference]: Finished difference. Result has 490 places, 637 transitions, 19525 flow [2021-03-26 15:03:54,314 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=19567, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=643, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=591, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19525, PETRI_PLACES=490, PETRI_TRANSITIONS=637} [2021-03-26 15:03:54,314 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 437 predicate places. [2021-03-26 15:03:54,314 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:54,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 490 places, 637 transitions, 19525 flow [2021-03-26 15:03:54,314 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 490 places, 637 transitions, 19525 flow [2021-03-26 15:03:54,320 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 489 places, 637 transitions, 19525 flow [2021-03-26 15:03:54,527 INFO L129 PetriNetUnfolder]: 534/1279 cut-off events. [2021-03-26 15:03:54,527 INFO L130 PetriNetUnfolder]: For 67259/67289 co-relation queries the response was YES. [2021-03-26 15:03:54,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15522 conditions, 1279 events. 534/1279 cut-off events. For 67259/67289 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9140 event pairs, 4 based on Foata normal form. 6/1124 useless extension candidates. Maximal degree in co-relation 15313. Up to 348 conditions per place. [2021-03-26 15:03:54,555 INFO L142 LiptonReduction]: Number of co-enabled transitions 2202 [2021-03-26 15:03:54,691 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:54,691 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:03:54,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 378 [2021-03-26 15:03:54,692 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 636 transitions, 19509 flow [2021-03-26 15:03:54,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:54,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:54,692 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:54,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-03-26 15:03:54,692 INFO L428 AbstractCegarLoop]: === Iteration 129 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:54,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:54,692 INFO L82 PathProgramCache]: Analyzing trace with hash -928292622, now seen corresponding path program 63 times [2021-03-26 15:03:54,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:54,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772842574] [2021-03-26 15:03:54,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:54,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:54,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:54,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:54,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:54,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:54,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:54,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:54,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:54,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:54,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:54,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:54,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:54,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:54,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:54,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:54,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:54,769 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:03:54,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:03:54,771 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:54,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:54,785 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:54,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:54,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772842574] [2021-03-26 15:03:54,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:54,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:54,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256550141] [2021-03-26 15:03:54,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:54,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:54,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:54,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:54,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 15:03:54,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 636 transitions, 19509 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:54,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:54,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 15:03:54,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:55,520 INFO L129 PetriNetUnfolder]: 620/1441 cut-off events. [2021-03-26 15:03:55,521 INFO L130 PetriNetUnfolder]: For 76576/76580 co-relation queries the response was YES. [2021-03-26 15:03:55,539 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17711 conditions, 1441 events. 620/1441 cut-off events. For 76576/76580 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 10108 event pairs, 3 based on Foata normal form. 5/1265 useless extension candidates. Maximal degree in co-relation 17491. Up to 745 conditions per place. [2021-03-26 15:03:55,546 INFO L132 encePairwiseOnDemand]: 100/116 looper letters, 424 selfloop transitions, 215 changer transitions 0/657 dead transitions. [2021-03-26 15:03:55,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 657 transitions, 21495 flow [2021-03-26 15:03:55,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:03:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:03:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 659 transitions. [2021-03-26 15:03:55,547 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4734195402298851 [2021-03-26 15:03:55,547 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 659 transitions. [2021-03-26 15:03:55,547 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 659 transitions. [2021-03-26 15:03:55,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:55,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 659 transitions. [2021-03-26 15:03:55,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.916666666666664) internal successors, (659), 12 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:55,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:55,548 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:55,548 INFO L185 Difference]: Start difference. First operand has 486 places, 636 transitions, 19509 flow. Second operand 12 states and 659 transitions. [2021-03-26 15:03:55,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 657 transitions, 21495 flow [2021-03-26 15:03:56,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 657 transitions, 21343 flow, removed 9 selfloop flow, removed 16 redundant places. [2021-03-26 15:03:56,070 INFO L241 Difference]: Finished difference. Result has 483 places, 648 transitions, 20556 flow [2021-03-26 15:03:56,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=19357, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=636, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20556, PETRI_PLACES=483, PETRI_TRANSITIONS=648} [2021-03-26 15:03:56,070 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 430 predicate places. [2021-03-26 15:03:56,070 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:56,071 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 648 transitions, 20556 flow [2021-03-26 15:03:56,071 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 648 transitions, 20556 flow [2021-03-26 15:03:56,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 483 places, 648 transitions, 20556 flow [2021-03-26 15:03:56,312 INFO L129 PetriNetUnfolder]: 559/1342 cut-off events. [2021-03-26 15:03:56,313 INFO L130 PetriNetUnfolder]: For 72456/72486 co-relation queries the response was YES. [2021-03-26 15:03:56,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16150 conditions, 1342 events. 559/1342 cut-off events. For 72456/72486 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 9718 event pairs, 3 based on Foata normal form. 6/1166 useless extension candidates. Maximal degree in co-relation 15943. Up to 355 conditions per place. [2021-03-26 15:03:56,344 INFO L142 LiptonReduction]: Number of co-enabled transitions 2262 [2021-03-26 15:03:56,389 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:56,389 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:56,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 319 [2021-03-26 15:03:56,390 INFO L480 AbstractCegarLoop]: Abstraction has has 483 places, 648 transitions, 20556 flow [2021-03-26 15:03:56,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:56,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:56,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:56,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-03-26 15:03:56,390 INFO L428 AbstractCegarLoop]: === Iteration 130 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:56,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:56,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1952285282, now seen corresponding path program 1 times [2021-03-26 15:03:56,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:56,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667978680] [2021-03-26 15:03:56,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:56,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:56,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:56,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:56,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:56,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:56,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:56,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:56,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:56,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:56,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:56,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:56,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:56,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:56,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:56,456 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:56,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:56,469 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:56,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:56,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667978680] [2021-03-26 15:03:56,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:56,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:56,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526983114] [2021-03-26 15:03:56,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:56,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:56,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:56,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:56,472 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 15:03:56,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 648 transitions, 20556 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:56,473 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:56,473 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 15:03:56,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:57,057 INFO L129 PetriNetUnfolder]: 615/1431 cut-off events. [2021-03-26 15:03:57,058 INFO L130 PetriNetUnfolder]: For 76075/76079 co-relation queries the response was YES. [2021-03-26 15:03:57,076 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17948 conditions, 1431 events. 615/1431 cut-off events. For 76075/76079 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10024 event pairs, 11 based on Foata normal form. 5/1259 useless extension candidates. Maximal degree in co-relation 17730. Up to 879 conditions per place. [2021-03-26 15:03:57,082 INFO L132 encePairwiseOnDemand]: 100/116 looper letters, 603 selfloop transitions, 25 changer transitions 7/653 dead transitions. [2021-03-26 15:03:57,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 653 transitions, 21856 flow [2021-03-26 15:03:57,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:03:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:03:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 626 transitions. [2021-03-26 15:03:57,083 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44971264367816094 [2021-03-26 15:03:57,083 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 626 transitions. [2021-03-26 15:03:57,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 626 transitions. [2021-03-26 15:03:57,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:57,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 626 transitions. [2021-03-26 15:03:57,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.166666666666664) internal successors, (626), 12 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:57,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:57,085 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 116.0) internal successors, (1508), 13 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:57,085 INFO L185 Difference]: Start difference. First operand has 483 places, 648 transitions, 20556 flow. Second operand 12 states and 626 transitions. [2021-03-26 15:03:57,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 653 transitions, 21856 flow [2021-03-26 15:03:57,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 653 transitions, 21578 flow, removed 118 selfloop flow, removed 3 redundant places. [2021-03-26 15:03:57,610 INFO L241 Difference]: Finished difference. Result has 492 places, 641 transitions, 20102 flow [2021-03-26 15:03:57,610 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=20278, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=648, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20102, PETRI_PLACES=492, PETRI_TRANSITIONS=641} [2021-03-26 15:03:57,610 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 439 predicate places. [2021-03-26 15:03:57,610 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:57,610 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 492 places, 641 transitions, 20102 flow [2021-03-26 15:03:57,611 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 492 places, 641 transitions, 20102 flow [2021-03-26 15:03:57,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 484 places, 641 transitions, 20102 flow [2021-03-26 15:03:57,933 INFO L129 PetriNetUnfolder]: 552/1313 cut-off events. [2021-03-26 15:03:57,934 INFO L130 PetriNetUnfolder]: For 70767/70795 co-relation queries the response was YES. [2021-03-26 15:03:57,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15980 conditions, 1313 events. 552/1313 cut-off events. For 70767/70795 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9348 event pairs, 5 based on Foata normal form. 4/1145 useless extension candidates. Maximal degree in co-relation 15774. Up to 353 conditions per place. [2021-03-26 15:03:57,973 INFO L142 LiptonReduction]: Number of co-enabled transitions 2228 [2021-03-26 15:03:58,018 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:58,018 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:58,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 408 [2021-03-26 15:03:58,019 INFO L480 AbstractCegarLoop]: Abstraction has has 484 places, 641 transitions, 20102 flow [2021-03-26 15:03:58,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:58,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:58,019 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:58,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-03-26 15:03:58,019 INFO L428 AbstractCegarLoop]: === Iteration 131 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:58,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:58,019 INFO L82 PathProgramCache]: Analyzing trace with hash 411681294, now seen corresponding path program 64 times [2021-03-26 15:03:58,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:58,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445694539] [2021-03-26 15:03:58,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:58,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:58,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:58,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:58,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:58,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:58,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:58,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:58,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:58,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:58,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:58,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:58,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:58,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:58,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:58,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:58,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:58,116 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:03:58,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:58,120 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:58,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:58,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445694539] [2021-03-26 15:03:58,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:58,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:03:58,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972715360] [2021-03-26 15:03:58,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:03:58,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:58,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:03:58,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:03:58,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 15:03:58,123 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 641 transitions, 20102 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:58,123 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:58,123 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 15:03:58,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:03:58,819 INFO L129 PetriNetUnfolder]: 613/1428 cut-off events. [2021-03-26 15:03:58,820 INFO L130 PetriNetUnfolder]: For 75844/75856 co-relation queries the response was YES. [2021-03-26 15:03:58,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17801 conditions, 1428 events. 613/1428 cut-off events. For 75844/75856 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 10010 event pairs, 2 based on Foata normal form. 13/1265 useless extension candidates. Maximal degree in co-relation 17593. Up to 794 conditions per place. [2021-03-26 15:03:58,844 INFO L132 encePairwiseOnDemand]: 100/116 looper letters, 486 selfloop transitions, 147 changer transitions 0/651 dead transitions. [2021-03-26 15:03:58,844 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 651 transitions, 21568 flow [2021-03-26 15:03:58,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:03:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:03:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 698 transitions. [2021-03-26 15:03:58,845 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46286472148541113 [2021-03-26 15:03:58,845 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 698 transitions. [2021-03-26 15:03:58,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 698 transitions. [2021-03-26 15:03:58,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:03:58,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 698 transitions. [2021-03-26 15:03:58,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.69230769230769) internal successors, (698), 13 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:58,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 116.0) internal successors, (1624), 14 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:58,846 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 116.0) internal successors, (1624), 14 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:58,846 INFO L185 Difference]: Start difference. First operand has 484 places, 641 transitions, 20102 flow. Second operand 13 states and 698 transitions. [2021-03-26 15:03:58,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 651 transitions, 21568 flow [2021-03-26 15:03:59,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 651 transitions, 21260 flow, removed 64 selfloop flow, removed 20 redundant places. [2021-03-26 15:03:59,348 INFO L241 Difference]: Finished difference. Result has 480 places, 645 transitions, 20303 flow [2021-03-26 15:03:59,348 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=19800, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=641, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20303, PETRI_PLACES=480, PETRI_TRANSITIONS=645} [2021-03-26 15:03:59,348 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 427 predicate places. [2021-03-26 15:03:59,348 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:03:59,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 480 places, 645 transitions, 20303 flow [2021-03-26 15:03:59,348 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 480 places, 645 transitions, 20303 flow [2021-03-26 15:03:59,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 480 places, 645 transitions, 20303 flow [2021-03-26 15:03:59,568 INFO L129 PetriNetUnfolder]: 551/1325 cut-off events. [2021-03-26 15:03:59,568 INFO L130 PetriNetUnfolder]: For 69311/69348 co-relation queries the response was YES. [2021-03-26 15:03:59,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15907 conditions, 1325 events. 551/1325 cut-off events. For 69311/69348 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 9567 event pairs, 3 based on Foata normal form. 5/1154 useless extension candidates. Maximal degree in co-relation 15691. Up to 352 conditions per place. [2021-03-26 15:03:59,599 INFO L142 LiptonReduction]: Number of co-enabled transitions 2262 [2021-03-26 15:03:59,671 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:03:59,671 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:03:59,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 323 [2021-03-26 15:03:59,672 INFO L480 AbstractCegarLoop]: Abstraction has has 480 places, 645 transitions, 20303 flow [2021-03-26 15:03:59,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:59,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:03:59,672 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:03:59,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-03-26 15:03:59,672 INFO L428 AbstractCegarLoop]: === Iteration 132 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:03:59,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:03:59,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1311828764, now seen corresponding path program 65 times [2021-03-26 15:03:59,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:03:59,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487557365] [2021-03-26 15:03:59,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:03:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:03:59,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:59,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:03:59,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:59,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:03:59,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:59,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:59,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:59,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:59,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:59,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:03:59,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:59,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:59,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:03:59,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:03:59,740 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:59,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:59,754 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:03:59,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:03:59,770 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:03:59,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:03:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:03:59,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487557365] [2021-03-26 15:03:59,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:03:59,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:03:59,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598038113] [2021-03-26 15:03:59,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:03:59,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:03:59,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:03:59,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:03:59,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 116 [2021-03-26 15:03:59,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 645 transitions, 20303 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:03:59,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:03:59,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 116 [2021-03-26 15:03:59,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:00,438 INFO L129 PetriNetUnfolder]: 618/1444 cut-off events. [2021-03-26 15:04:00,438 INFO L130 PetriNetUnfolder]: For 73052/73064 co-relation queries the response was YES. [2021-03-26 15:04:00,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17723 conditions, 1444 events. 618/1444 cut-off events. For 73052/73064 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10198 event pairs, 4 based on Foata normal form. 13/1275 useless extension candidates. Maximal degree in co-relation 17503. Up to 824 conditions per place. [2021-03-26 15:04:00,461 INFO L132 encePairwiseOnDemand]: 99/116 looper letters, 573 selfloop transitions, 67 changer transitions 0/658 dead transitions. [2021-03-26 15:04:00,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 658 transitions, 21721 flow [2021-03-26 15:04:00,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:04:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:04:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 599 transitions. [2021-03-26 15:04:00,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46943573667711597 [2021-03-26 15:04:00,462 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 599 transitions. [2021-03-26 15:04:00,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 599 transitions. [2021-03-26 15:04:00,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:00,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 599 transitions. [2021-03-26 15:04:00,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.45454545454545) internal successors, (599), 11 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:00,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 116.0) internal successors, (1392), 12 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:00,464 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 116.0) internal successors, (1392), 12 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:00,464 INFO L185 Difference]: Start difference. First operand has 480 places, 645 transitions, 20303 flow. Second operand 11 states and 599 transitions. [2021-03-26 15:04:00,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 658 transitions, 21721 flow [2021-03-26 15:04:00,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 658 transitions, 21144 flow, removed 100 selfloop flow, removed 9 redundant places. [2021-03-26 15:04:00,985 INFO L241 Difference]: Finished difference. Result has 483 places, 647 transitions, 19964 flow [2021-03-26 15:04:00,985 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=19726, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=645, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=579, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=19964, PETRI_PLACES=483, PETRI_TRANSITIONS=647} [2021-03-26 15:04:00,985 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 430 predicate places. [2021-03-26 15:04:00,985 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:00,985 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 647 transitions, 19964 flow [2021-03-26 15:04:00,985 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 647 transitions, 19964 flow [2021-03-26 15:04:00,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 483 places, 647 transitions, 19964 flow [2021-03-26 15:04:01,204 INFO L129 PetriNetUnfolder]: 553/1337 cut-off events. [2021-03-26 15:04:01,204 INFO L130 PetriNetUnfolder]: For 67481/67512 co-relation queries the response was YES. [2021-03-26 15:04:01,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15819 conditions, 1337 events. 553/1337 cut-off events. For 67481/67512 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 9660 event pairs, 5 based on Foata normal form. 5/1167 useless extension candidates. Maximal degree in co-relation 15614. Up to 352 conditions per place. [2021-03-26 15:04:01,234 INFO L142 LiptonReduction]: Number of co-enabled transitions 2282 [2021-03-26 15:04:01,361 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:04:01,361 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:04:01,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 376 [2021-03-26 15:04:01,361 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 646 transitions, 19958 flow [2021-03-26 15:04:01,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:01,361 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:01,361 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:01,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-26 15:04:01,361 INFO L428 AbstractCegarLoop]: === Iteration 133 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:01,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:01,362 INFO L82 PathProgramCache]: Analyzing trace with hash -821382850, now seen corresponding path program 66 times [2021-03-26 15:04:01,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:01,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915975536] [2021-03-26 15:04:01,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:01,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:01,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:01,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:01,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:01,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:01,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:01,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:01,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:01,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:01,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:01,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:01,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:01,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:01,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:01,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:01,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:01,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:01,491 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:01,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:01,495 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:01,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:01,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915975536] [2021-03-26 15:04:01,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:01,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:01,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86427679] [2021-03-26 15:04:01,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:01,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:01,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:01,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:01,498 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 117 [2021-03-26 15:04:01,498 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 646 transitions, 19958 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:01,498 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:01,498 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 117 [2021-03-26 15:04:01,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:02,267 INFO L129 PetriNetUnfolder]: 624/1466 cut-off events. [2021-03-26 15:04:02,267 INFO L130 PetriNetUnfolder]: For 74004/74008 co-relation queries the response was YES. [2021-03-26 15:04:02,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17810 conditions, 1466 events. 624/1466 cut-off events. For 74004/74008 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 10352 event pairs, 11 based on Foata normal form. 5/1284 useless extension candidates. Maximal degree in co-relation 17589. Up to 796 conditions per place. [2021-03-26 15:04:02,291 INFO L132 encePairwiseOnDemand]: 100/117 looper letters, 482 selfloop transitions, 162 changer transitions 0/662 dead transitions. [2021-03-26 15:04:02,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 662 transitions, 21720 flow [2021-03-26 15:04:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:04:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:04:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 865 transitions. [2021-03-26 15:04:02,292 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4620726495726496 [2021-03-26 15:04:02,292 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 865 transitions. [2021-03-26 15:04:02,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 865 transitions. [2021-03-26 15:04:02,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:02,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 865 transitions. [2021-03-26 15:04:02,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.0625) internal successors, (865), 16 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:02,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 117.0) internal successors, (1989), 17 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:02,294 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 117.0) internal successors, (1989), 17 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:02,294 INFO L185 Difference]: Start difference. First operand has 482 places, 646 transitions, 19958 flow. Second operand 16 states and 865 transitions. [2021-03-26 15:04:02,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 662 transitions, 21720 flow [2021-03-26 15:04:02,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 662 transitions, 21568 flow, removed 24 selfloop flow, removed 7 redundant places. [2021-03-26 15:04:02,772 INFO L241 Difference]: Finished difference. Result has 493 places, 653 transitions, 20637 flow [2021-03-26 15:04:02,772 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=19806, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=646, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=20637, PETRI_PLACES=493, PETRI_TRANSITIONS=653} [2021-03-26 15:04:02,772 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 440 predicate places. [2021-03-26 15:04:02,772 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:02,772 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 493 places, 653 transitions, 20637 flow [2021-03-26 15:04:02,772 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 493 places, 653 transitions, 20637 flow [2021-03-26 15:04:02,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 653 transitions, 20637 flow [2021-03-26 15:04:03,000 INFO L129 PetriNetUnfolder]: 562/1365 cut-off events. [2021-03-26 15:04:03,000 INFO L130 PetriNetUnfolder]: For 71315/71356 co-relation queries the response was YES. [2021-03-26 15:04:03,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16220 conditions, 1365 events. 562/1365 cut-off events. For 71315/71356 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 9973 event pairs, 5 based on Foata normal form. 4/1185 useless extension candidates. Maximal degree in co-relation 16012. Up to 357 conditions per place. [2021-03-26 15:04:03,031 INFO L142 LiptonReduction]: Number of co-enabled transitions 2296 [2021-03-26 15:04:03,080 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:03,080 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:03,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-03-26 15:04:03,080 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 653 transitions, 20637 flow [2021-03-26 15:04:03,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:03,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:03,081 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:03,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-03-26 15:04:03,081 INFO L428 AbstractCegarLoop]: === Iteration 134 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:03,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:03,081 INFO L82 PathProgramCache]: Analyzing trace with hash 341531274, now seen corresponding path program 67 times [2021-03-26 15:04:03,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:03,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792834944] [2021-03-26 15:04:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:03,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:03,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:03,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:03,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:03,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:03,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:03,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:03,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:03,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:03,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:03,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:03,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:03,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:03,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:03,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:03,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:03,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:03,161 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:03,174 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:03,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:03,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792834944] [2021-03-26 15:04:03,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:03,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:03,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086371240] [2021-03-26 15:04:03,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:03,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:03,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:03,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:03,177 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 117 [2021-03-26 15:04:03,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 653 transitions, 20637 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:03,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:03,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 117 [2021-03-26 15:04:03,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:03,850 INFO L129 PetriNetUnfolder]: 623/1467 cut-off events. [2021-03-26 15:04:03,850 INFO L130 PetriNetUnfolder]: For 71192/71196 co-relation queries the response was YES. [2021-03-26 15:04:03,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17960 conditions, 1467 events. 623/1467 cut-off events. For 71192/71196 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10388 event pairs, 11 based on Foata normal form. 5/1285 useless extension candidates. Maximal degree in co-relation 17736. Up to 797 conditions per place. [2021-03-26 15:04:03,873 INFO L132 encePairwiseOnDemand]: 100/117 looper letters, 489 selfloop transitions, 152 changer transitions 6/665 dead transitions. [2021-03-26 15:04:03,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 665 transitions, 22021 flow [2021-03-26 15:04:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:04:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:04:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 763 transitions. [2021-03-26 15:04:03,875 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4658119658119658 [2021-03-26 15:04:03,875 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 763 transitions. [2021-03-26 15:04:03,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 763 transitions. [2021-03-26 15:04:03,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:03,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 763 transitions. [2021-03-26 15:04:03,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.5) internal successors, (763), 14 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:03,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:03,876 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:03,876 INFO L185 Difference]: Start difference. First operand has 493 places, 653 transitions, 20637 flow. Second operand 14 states and 763 transitions. [2021-03-26 15:04:03,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 665 transitions, 22021 flow [2021-03-26 15:04:04,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 665 transitions, 21855 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-03-26 15:04:04,396 INFO L241 Difference]: Finished difference. Result has 500 places, 648 transitions, 20539 flow [2021-03-26 15:04:04,396 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=20471, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20539, PETRI_PLACES=500, PETRI_TRANSITIONS=648} [2021-03-26 15:04:04,396 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 447 predicate places. [2021-03-26 15:04:04,396 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:04,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 500 places, 648 transitions, 20539 flow [2021-03-26 15:04:04,396 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 500 places, 648 transitions, 20539 flow [2021-03-26 15:04:04,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 500 places, 648 transitions, 20539 flow [2021-03-26 15:04:04,619 INFO L129 PetriNetUnfolder]: 554/1345 cut-off events. [2021-03-26 15:04:04,620 INFO L130 PetriNetUnfolder]: For 68798/68829 co-relation queries the response was YES. [2021-03-26 15:04:04,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16146 conditions, 1345 events. 554/1345 cut-off events. For 68798/68829 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 9783 event pairs, 5 based on Foata normal form. 5/1173 useless extension candidates. Maximal degree in co-relation 15935. Up to 354 conditions per place. [2021-03-26 15:04:04,650 INFO L142 LiptonReduction]: Number of co-enabled transitions 2272 [2021-03-26 15:04:04,697 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:04,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:04,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 301 [2021-03-26 15:04:04,698 INFO L480 AbstractCegarLoop]: Abstraction has has 500 places, 648 transitions, 20539 flow [2021-03-26 15:04:04,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:04,698 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:04,698 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:04,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-03-26 15:04:04,698 INFO L428 AbstractCegarLoop]: === Iteration 135 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:04,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:04,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1315076780, now seen corresponding path program 68 times [2021-03-26 15:04:04,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:04,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650998364] [2021-03-26 15:04:04,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:04,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:04,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:04,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:04,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:04,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:04,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:04,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:04,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:04,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:04,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:04,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:04,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:04,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:04,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:04,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:04,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:04,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:04,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:04,781 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:04,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:04,795 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:04,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:04,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650998364] [2021-03-26 15:04:04,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:04,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:04,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456305069] [2021-03-26 15:04:04,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:04,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:04,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:04,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:04,798 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 117 [2021-03-26 15:04:04,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 648 transitions, 20539 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:04,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:04,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 117 [2021-03-26 15:04:04,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:05,561 INFO L129 PetriNetUnfolder]: 627/1484 cut-off events. [2021-03-26 15:04:05,561 INFO L130 PetriNetUnfolder]: For 76197/76201 co-relation queries the response was YES. [2021-03-26 15:04:05,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18215 conditions, 1484 events. 627/1484 cut-off events. For 76197/76201 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 10595 event pairs, 11 based on Foata normal form. 5/1298 useless extension candidates. Maximal degree in co-relation 17993. Up to 765 conditions per place. [2021-03-26 15:04:05,587 INFO L132 encePairwiseOnDemand]: 100/117 looper letters, 486 selfloop transitions, 164 changer transitions 0/668 dead transitions. [2021-03-26 15:04:05,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 668 transitions, 22443 flow [2021-03-26 15:04:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:04:05,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:04:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 763 transitions. [2021-03-26 15:04:05,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4658119658119658 [2021-03-26 15:04:05,588 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 763 transitions. [2021-03-26 15:04:05,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 763 transitions. [2021-03-26 15:04:05,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:05,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 763 transitions. [2021-03-26 15:04:05,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.5) internal successors, (763), 14 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:05,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:05,589 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 117.0) internal successors, (1755), 15 states have internal predecessors, (1755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:05,589 INFO L185 Difference]: Start difference. First operand has 500 places, 648 transitions, 20539 flow. Second operand 14 states and 763 transitions. [2021-03-26 15:04:05,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 668 transitions, 22443 flow [2021-03-26 15:04:06,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 668 transitions, 22206 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-26 15:04:06,190 INFO L241 Difference]: Finished difference. Result has 501 places, 657 transitions, 21144 flow [2021-03-26 15:04:06,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=20304, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=648, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21144, PETRI_PLACES=501, PETRI_TRANSITIONS=657} [2021-03-26 15:04:06,191 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 448 predicate places. [2021-03-26 15:04:06,191 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:06,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 501 places, 657 transitions, 21144 flow [2021-03-26 15:04:06,191 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 501 places, 657 transitions, 21144 flow [2021-03-26 15:04:06,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 501 places, 657 transitions, 21144 flow [2021-03-26 15:04:06,520 INFO L129 PetriNetUnfolder]: 564/1381 cut-off events. [2021-03-26 15:04:06,520 INFO L130 PetriNetUnfolder]: For 73114/73158 co-relation queries the response was YES. [2021-03-26 15:04:06,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16552 conditions, 1381 events. 564/1381 cut-off events. For 73114/73158 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10192 event pairs, 3 based on Foata normal form. 4/1198 useless extension candidates. Maximal degree in co-relation 16343. Up to 362 conditions per place. [2021-03-26 15:04:06,552 INFO L142 LiptonReduction]: Number of co-enabled transitions 2366 [2021-03-26 15:04:06,598 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:06,598 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:06,598 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 407 [2021-03-26 15:04:06,599 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 657 transitions, 21144 flow [2021-03-26 15:04:06,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:06,599 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:06,599 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:06,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-26 15:04:06,599 INFO L428 AbstractCegarLoop]: === Iteration 136 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:06,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:06,599 INFO L82 PathProgramCache]: Analyzing trace with hash 832358598, now seen corresponding path program 69 times [2021-03-26 15:04:06,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:06,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426073217] [2021-03-26 15:04:06,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:06,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:06,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:06,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:06,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:06,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:06,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:06,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:06,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:06,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:06,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:06,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:06,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:06,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:06,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:06,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:06,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:06,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:06,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:06,670 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:06,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:06,684 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:06,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:06,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426073217] [2021-03-26 15:04:06,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:06,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:06,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480151373] [2021-03-26 15:04:06,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:06,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:06,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:06,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:06,687 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 117 [2021-03-26 15:04:06,687 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 657 transitions, 21144 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:06,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:06,687 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 117 [2021-03-26 15:04:06,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:07,366 INFO L129 PetriNetUnfolder]: 622/1477 cut-off events. [2021-03-26 15:04:07,366 INFO L130 PetriNetUnfolder]: For 75211/75215 co-relation queries the response was YES. [2021-03-26 15:04:07,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18300 conditions, 1477 events. 622/1477 cut-off events. For 75211/75215 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 10542 event pairs, 2 based on Foata normal form. 5/1295 useless extension candidates. Maximal degree in co-relation 18080. Up to 874 conditions per place. [2021-03-26 15:04:07,394 INFO L132 encePairwiseOnDemand]: 100/117 looper letters, 604 selfloop transitions, 39 changer transitions 8/669 dead transitions. [2021-03-26 15:04:07,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 669 transitions, 22529 flow [2021-03-26 15:04:07,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:07,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 641 transitions. [2021-03-26 15:04:07,396 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4565527065527066 [2021-03-26 15:04:07,396 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 641 transitions. [2021-03-26 15:04:07,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 641 transitions. [2021-03-26 15:04:07,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:07,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 641 transitions. [2021-03-26 15:04:07,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.416666666666664) internal successors, (641), 12 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:07,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:07,397 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:07,397 INFO L185 Difference]: Start difference. First operand has 501 places, 657 transitions, 21144 flow. Second operand 12 states and 641 transitions. [2021-03-26 15:04:07,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 669 transitions, 22529 flow [2021-03-26 15:04:08,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 669 transitions, 21886 flow, removed 227 selfloop flow, removed 5 redundant places. [2021-03-26 15:04:08,019 INFO L241 Difference]: Finished difference. Result has 510 places, 652 transitions, 20508 flow [2021-03-26 15:04:08,019 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=20501, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=657, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=618, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20508, PETRI_PLACES=510, PETRI_TRANSITIONS=652} [2021-03-26 15:04:08,019 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 457 predicate places. [2021-03-26 15:04:08,019 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:08,019 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 510 places, 652 transitions, 20508 flow [2021-03-26 15:04:08,019 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 510 places, 652 transitions, 20508 flow [2021-03-26 15:04:08,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 652 transitions, 20508 flow [2021-03-26 15:04:08,265 INFO L129 PetriNetUnfolder]: 550/1340 cut-off events. [2021-03-26 15:04:08,265 INFO L130 PetriNetUnfolder]: For 70419/70461 co-relation queries the response was YES. [2021-03-26 15:04:08,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16090 conditions, 1340 events. 550/1340 cut-off events. For 70419/70461 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9754 event pairs, 5 based on Foata normal form. 9/1174 useless extension candidates. Maximal degree in co-relation 15892. Up to 351 conditions per place. [2021-03-26 15:04:08,301 INFO L142 LiptonReduction]: Number of co-enabled transitions 2306 [2021-03-26 15:04:08,347 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:08,347 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:08,347 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 328 [2021-03-26 15:04:08,348 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 652 transitions, 20508 flow [2021-03-26 15:04:08,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:08,348 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:08,348 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:08,348 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-03-26 15:04:08,348 INFO L428 AbstractCegarLoop]: === Iteration 137 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:08,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:08,348 INFO L82 PathProgramCache]: Analyzing trace with hash -719864338, now seen corresponding path program 70 times [2021-03-26 15:04:08,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:08,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235383665] [2021-03-26 15:04:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:08,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:08,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:08,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:08,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:08,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:08,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:08,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:08,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:08,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:08,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:08,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:08,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:08,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:08,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:08,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:08,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:08,414 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:04:08,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:04:08,426 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:08,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:08,439 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:08,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:08,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235383665] [2021-03-26 15:04:08,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:08,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:08,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994069376] [2021-03-26 15:04:08,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:08,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:08,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:08,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:08,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 117 [2021-03-26 15:04:08,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 652 transitions, 20508 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:08,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:08,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 117 [2021-03-26 15:04:08,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:09,076 INFO L129 PetriNetUnfolder]: 618/1456 cut-off events. [2021-03-26 15:04:09,076 INFO L130 PetriNetUnfolder]: For 71764/71774 co-relation queries the response was YES. [2021-03-26 15:04:09,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17971 conditions, 1456 events. 618/1456 cut-off events. For 71764/71774 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10302 event pairs, 2 based on Foata normal form. 11/1283 useless extension candidates. Maximal degree in co-relation 17747. Up to 876 conditions per place. [2021-03-26 15:04:09,102 INFO L132 encePairwiseOnDemand]: 101/117 looper letters, 606 selfloop transitions, 32 changer transitions 3/659 dead transitions. [2021-03-26 15:04:09,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 659 transitions, 21832 flow [2021-03-26 15:04:09,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:04:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:04:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 580 transitions. [2021-03-26 15:04:09,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4506604506604507 [2021-03-26 15:04:09,103 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 580 transitions. [2021-03-26 15:04:09,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 580 transitions. [2021-03-26 15:04:09,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:09,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 580 transitions. [2021-03-26 15:04:09,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 52.72727272727273) internal successors, (580), 11 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:09,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:09,105 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:09,105 INFO L185 Difference]: Start difference. First operand has 503 places, 652 transitions, 20508 flow. Second operand 11 states and 580 transitions. [2021-03-26 15:04:09,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 659 transitions, 21832 flow [2021-03-26 15:04:09,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 659 transitions, 21696 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-26 15:04:09,667 INFO L241 Difference]: Finished difference. Result has 501 places, 649 transitions, 20361 flow [2021-03-26 15:04:09,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=20372, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=20361, PETRI_PLACES=501, PETRI_TRANSITIONS=649} [2021-03-26 15:04:09,668 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 448 predicate places. [2021-03-26 15:04:09,668 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:09,668 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 501 places, 649 transitions, 20361 flow [2021-03-26 15:04:09,668 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 501 places, 649 transitions, 20361 flow [2021-03-26 15:04:09,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 497 places, 649 transitions, 20361 flow [2021-03-26 15:04:10,018 INFO L129 PetriNetUnfolder]: 548/1336 cut-off events. [2021-03-26 15:04:10,018 INFO L130 PetriNetUnfolder]: For 69856/69890 co-relation queries the response was YES. [2021-03-26 15:04:10,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15989 conditions, 1336 events. 548/1336 cut-off events. For 69856/69890 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9712 event pairs, 5 based on Foata normal form. 7/1168 useless extension candidates. Maximal degree in co-relation 15781. Up to 349 conditions per place. [2021-03-26 15:04:10,054 INFO L142 LiptonReduction]: Number of co-enabled transitions 2296 [2021-03-26 15:04:10,098 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:10,098 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:10,098 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 430 [2021-03-26 15:04:10,099 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 649 transitions, 20361 flow [2021-03-26 15:04:10,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:10,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:10,099 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:10,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-03-26 15:04:10,099 INFO L428 AbstractCegarLoop]: === Iteration 138 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:10,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:10,099 INFO L82 PathProgramCache]: Analyzing trace with hash -173442792, now seen corresponding path program 71 times [2021-03-26 15:04:10,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:10,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425616571] [2021-03-26 15:04:10,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:10,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:10,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:10,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:10,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:10,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:10,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:10,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:10,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:10,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:10,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:10,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:10,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:10,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:10,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:10,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:10,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:10,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:10,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:10,180 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:10,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:10,194 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:10,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:10,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:10,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425616571] [2021-03-26 15:04:10,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:10,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:10,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423244623] [2021-03-26 15:04:10,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:10,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:10,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:10,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:10,197 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 117 [2021-03-26 15:04:10,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 649 transitions, 20361 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:10,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:10,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 117 [2021-03-26 15:04:10,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:10,805 INFO L129 PetriNetUnfolder]: 619/1458 cut-off events. [2021-03-26 15:04:10,805 INFO L130 PetriNetUnfolder]: For 73338/73344 co-relation queries the response was YES. [2021-03-26 15:04:10,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17864 conditions, 1458 events. 619/1458 cut-off events. For 73338/73344 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10340 event pairs, 4 based on Foata normal form. 7/1279 useless extension candidates. Maximal degree in co-relation 17645. Up to 871 conditions per place. [2021-03-26 15:04:10,831 INFO L132 encePairwiseOnDemand]: 101/117 looper letters, 602 selfloop transitions, 27 changer transitions 9/656 dead transitions. [2021-03-26 15:04:10,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 656 transitions, 21679 flow [2021-03-26 15:04:10,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 629 transitions. [2021-03-26 15:04:10,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.448005698005698 [2021-03-26 15:04:10,832 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 629 transitions. [2021-03-26 15:04:10,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 629 transitions. [2021-03-26 15:04:10,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:10,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 629 transitions. [2021-03-26 15:04:10,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.416666666666664) internal successors, (629), 12 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:10,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:10,833 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:10,833 INFO L185 Difference]: Start difference. First operand has 497 places, 649 transitions, 20361 flow. Second operand 12 states and 629 transitions. [2021-03-26 15:04:10,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 656 transitions, 21679 flow [2021-03-26 15:04:11,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 656 transitions, 21592 flow, removed 5 selfloop flow, removed 9 redundant places. [2021-03-26 15:04:11,439 INFO L241 Difference]: Finished difference. Result has 500 places, 640 transitions, 20022 flow [2021-03-26 15:04:11,440 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=20274, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=622, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20022, PETRI_PLACES=500, PETRI_TRANSITIONS=640} [2021-03-26 15:04:11,440 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 447 predicate places. [2021-03-26 15:04:11,440 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:11,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 500 places, 640 transitions, 20022 flow [2021-03-26 15:04:11,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 500 places, 640 transitions, 20022 flow [2021-03-26 15:04:11,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 640 transitions, 20022 flow [2021-03-26 15:04:11,671 INFO L129 PetriNetUnfolder]: 553/1337 cut-off events. [2021-03-26 15:04:11,671 INFO L130 PetriNetUnfolder]: For 71393/71423 co-relation queries the response was YES. [2021-03-26 15:04:11,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16117 conditions, 1337 events. 553/1337 cut-off events. For 71393/71423 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 9609 event pairs, 4 based on Foata normal form. 5/1170 useless extension candidates. Maximal degree in co-relation 15910. Up to 351 conditions per place. [2021-03-26 15:04:11,704 INFO L142 LiptonReduction]: Number of co-enabled transitions 2252 [2021-03-26 15:04:11,837 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 15:04:11,837 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:04:11,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 397 [2021-03-26 15:04:11,837 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 640 transitions, 20051 flow [2021-03-26 15:04:11,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:11,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:11,837 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:11,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-03-26 15:04:11,838 INFO L428 AbstractCegarLoop]: === Iteration 139 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:11,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:11,838 INFO L82 PathProgramCache]: Analyzing trace with hash 751301992, now seen corresponding path program 72 times [2021-03-26 15:04:11,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:11,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93299222] [2021-03-26 15:04:11,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:11,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:11,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:11,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:11,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:11,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:11,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:11,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:11,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:11,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:11,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:11,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:11,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:11,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:11,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:11,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:11,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:11,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:11,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:11,924 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:11,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:11,938 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:11,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:11,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93299222] [2021-03-26 15:04:11,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:11,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:11,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556456517] [2021-03-26 15:04:11,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:11,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:11,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:11,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:11,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 118 [2021-03-26 15:04:11,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 640 transitions, 20051 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:11,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:11,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 118 [2021-03-26 15:04:11,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:12,753 INFO L129 PetriNetUnfolder]: 617/1444 cut-off events. [2021-03-26 15:04:12,753 INFO L130 PetriNetUnfolder]: For 76499/76505 co-relation queries the response was YES. [2021-03-26 15:04:12,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18006 conditions, 1444 events. 617/1444 cut-off events. For 76499/76505 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10181 event pairs, 6 based on Foata normal form. 7/1267 useless extension candidates. Maximal degree in co-relation 17788. Up to 748 conditions per place. [2021-03-26 15:04:12,780 INFO L132 encePairwiseOnDemand]: 101/118 looper letters, 445 selfloop transitions, 197 changer transitions 0/660 dead transitions. [2021-03-26 15:04:12,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 660 transitions, 21921 flow [2021-03-26 15:04:12,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:04:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:04:12,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 709 transitions. [2021-03-26 15:04:12,781 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4621903520208605 [2021-03-26 15:04:12,781 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 709 transitions. [2021-03-26 15:04:12,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 709 transitions. [2021-03-26 15:04:12,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:12,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 709 transitions. [2021-03-26 15:04:12,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.53846153846154) internal successors, (709), 13 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:12,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 118.0) internal successors, (1652), 14 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:12,783 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 118.0) internal successors, (1652), 14 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:12,783 INFO L185 Difference]: Start difference. First operand has 490 places, 640 transitions, 20051 flow. Second operand 13 states and 709 transitions. [2021-03-26 15:04:12,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 660 transitions, 21921 flow [2021-03-26 15:04:13,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 660 transitions, 21306 flow, removed 230 selfloop flow, removed 12 redundant places. [2021-03-26 15:04:13,416 INFO L241 Difference]: Finished difference. Result has 492 places, 649 transitions, 20380 flow [2021-03-26 15:04:13,416 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=19446, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=640, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20380, PETRI_PLACES=492, PETRI_TRANSITIONS=649} [2021-03-26 15:04:13,416 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 439 predicate places. [2021-03-26 15:04:13,416 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:13,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 492 places, 649 transitions, 20380 flow [2021-03-26 15:04:13,417 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 492 places, 649 transitions, 20380 flow [2021-03-26 15:04:13,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 492 places, 649 transitions, 20380 flow [2021-03-26 15:04:13,696 INFO L129 PetriNetUnfolder]: 564/1367 cut-off events. [2021-03-26 15:04:13,696 INFO L130 PetriNetUnfolder]: For 70519/70561 co-relation queries the response was YES. [2021-03-26 15:04:13,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16226 conditions, 1367 events. 564/1367 cut-off events. For 70519/70561 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 9940 event pairs, 7 based on Foata normal form. 6/1186 useless extension candidates. Maximal degree in co-relation 16020. Up to 359 conditions per place. [2021-03-26 15:04:13,731 INFO L142 LiptonReduction]: Number of co-enabled transitions 2334 [2021-03-26 15:04:13,920 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:04:13,920 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:04:13,921 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 505 [2021-03-26 15:04:13,921 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 649 transitions, 20439 flow [2021-03-26 15:04:13,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:13,921 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:13,921 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:13,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-26 15:04:13,921 INFO L428 AbstractCegarLoop]: === Iteration 140 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:13,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:13,922 INFO L82 PathProgramCache]: Analyzing trace with hash -470973366, now seen corresponding path program 73 times [2021-03-26 15:04:13,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:13,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816994810] [2021-03-26 15:04:13,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:13,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:13,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:13,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:13,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:13,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:13,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:13,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:13,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:13,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:13,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:13,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:13,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:13,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:13,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:13,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:13,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:14,009 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:14,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:14,026 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:14,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:14,045 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:14,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:14,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816994810] [2021-03-26 15:04:14,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:14,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:14,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367788133] [2021-03-26 15:04:14,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:14,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:14,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:14,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:14,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:14,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 649 transitions, 20439 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:14,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:14,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:14,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:14,939 INFO L129 PetriNetUnfolder]: 631/1503 cut-off events. [2021-03-26 15:04:14,939 INFO L130 PetriNetUnfolder]: For 84005/84009 co-relation queries the response was YES. [2021-03-26 15:04:14,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18657 conditions, 1503 events. 631/1503 cut-off events. For 84005/84009 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 10787 event pairs, 13 based on Foata normal form. 6/1317 useless extension candidates. Maximal degree in co-relation 18440. Up to 659 conditions per place. [2021-03-26 15:04:14,966 INFO L132 encePairwiseOnDemand]: 100/119 looper letters, 397 selfloop transitions, 253 changer transitions 12/680 dead transitions. [2021-03-26 15:04:14,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 680 transitions, 22934 flow [2021-03-26 15:04:14,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:14,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 675 transitions. [2021-03-26 15:04:14,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4726890756302521 [2021-03-26 15:04:14,967 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 675 transitions. [2021-03-26 15:04:14,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 675 transitions. [2021-03-26 15:04:14,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:14,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 675 transitions. [2021-03-26 15:04:14,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 56.25) internal successors, (675), 12 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:14,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 119.0) internal successors, (1547), 13 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:14,968 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 119.0) internal successors, (1547), 13 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:14,969 INFO L185 Difference]: Start difference. First operand has 492 places, 649 transitions, 20439 flow. Second operand 12 states and 675 transitions. [2021-03-26 15:04:14,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 680 transitions, 22934 flow [2021-03-26 15:04:15,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 680 transitions, 22014 flow, removed 306 selfloop flow, removed 7 redundant places. [2021-03-26 15:04:15,514 INFO L241 Difference]: Finished difference. Result has 499 places, 654 transitions, 20984 flow [2021-03-26 15:04:15,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=19537, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=20984, PETRI_PLACES=499, PETRI_TRANSITIONS=654} [2021-03-26 15:04:15,514 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 446 predicate places. [2021-03-26 15:04:15,514 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:15,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 499 places, 654 transitions, 20984 flow [2021-03-26 15:04:15,514 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 499 places, 654 transitions, 20984 flow [2021-03-26 15:04:15,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 495 places, 654 transitions, 20984 flow [2021-03-26 15:04:15,768 INFO L129 PetriNetUnfolder]: 566/1389 cut-off events. [2021-03-26 15:04:15,768 INFO L130 PetriNetUnfolder]: For 73907/73955 co-relation queries the response was YES. [2021-03-26 15:04:15,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16699 conditions, 1389 events. 566/1389 cut-off events. For 73907/73955 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 10207 event pairs, 10 based on Foata normal form. 6/1204 useless extension candidates. Maximal degree in co-relation 16490. Up to 359 conditions per place. [2021-03-26 15:04:15,808 INFO L142 LiptonReduction]: Number of co-enabled transitions 2420 [2021-03-26 15:04:15,859 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:15,859 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:15,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 345 [2021-03-26 15:04:15,860 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 654 transitions, 20984 flow [2021-03-26 15:04:15,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:15,860 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:15,860 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:15,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-03-26 15:04:15,860 INFO L428 AbstractCegarLoop]: === Iteration 141 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:15,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:15,860 INFO L82 PathProgramCache]: Analyzing trace with hash -460299594, now seen corresponding path program 74 times [2021-03-26 15:04:15,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:15,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460722975] [2021-03-26 15:04:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:15,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:15,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:15,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:15,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:15,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:15,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:15,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:15,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:15,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:15,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:15,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:15,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:15,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:15,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:15,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:15,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:15,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:15,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:15,947 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:15,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:15,961 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:15,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:15,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460722975] [2021-03-26 15:04:15,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:15,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:15,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282836041] [2021-03-26 15:04:15,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:15,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:15,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:15,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:15,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:15,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 654 transitions, 20984 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:15,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:15,965 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:15,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:16,741 INFO L129 PetriNetUnfolder]: 628/1501 cut-off events. [2021-03-26 15:04:16,741 INFO L130 PetriNetUnfolder]: For 82609/82613 co-relation queries the response was YES. [2021-03-26 15:04:16,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18642 conditions, 1501 events. 628/1501 cut-off events. For 82609/82613 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 10778 event pairs, 13 based on Foata normal form. 5/1312 useless extension candidates. Maximal degree in co-relation 18422. Up to 765 conditions per place. [2021-03-26 15:04:16,766 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 447 selfloop transitions, 187 changer transitions 18/670 dead transitions. [2021-03-26 15:04:16,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 670 transitions, 22629 flow [2021-03-26 15:04:16,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:04:16,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:04:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 707 transitions. [2021-03-26 15:04:16,767 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45701357466063347 [2021-03-26 15:04:16,767 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 707 transitions. [2021-03-26 15:04:16,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 707 transitions. [2021-03-26 15:04:16,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:16,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 707 transitions. [2021-03-26 15:04:16,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.38461538461539) internal successors, (707), 13 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:16,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:16,769 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 119.0) internal successors, (1666), 14 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:16,769 INFO L185 Difference]: Start difference. First operand has 495 places, 654 transitions, 20984 flow. Second operand 13 states and 707 transitions. [2021-03-26 15:04:16,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 670 transitions, 22629 flow [2021-03-26 15:04:17,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 670 transitions, 21598 flow, removed 438 selfloop flow, removed 5 redundant places. [2021-03-26 15:04:17,344 INFO L241 Difference]: Finished difference. Result has 506 places, 643 transitions, 20087 flow [2021-03-26 15:04:17,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=20075, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=654, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20087, PETRI_PLACES=506, PETRI_TRANSITIONS=643} [2021-03-26 15:04:17,344 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 453 predicate places. [2021-03-26 15:04:17,344 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:17,345 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 643 transitions, 20087 flow [2021-03-26 15:04:17,345 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 643 transitions, 20087 flow [2021-03-26 15:04:17,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 502 places, 643 transitions, 20087 flow [2021-03-26 15:04:17,587 INFO L129 PetriNetUnfolder]: 555/1364 cut-off events. [2021-03-26 15:04:17,587 INFO L130 PetriNetUnfolder]: For 68226/68273 co-relation queries the response was YES. [2021-03-26 15:04:17,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16126 conditions, 1364 events. 555/1364 cut-off events. For 68226/68273 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 9984 event pairs, 3 based on Foata normal form. 5/1182 useless extension candidates. Maximal degree in co-relation 15922. Up to 343 conditions per place. [2021-03-26 15:04:17,621 INFO L142 LiptonReduction]: Number of co-enabled transitions 2358 [2021-03-26 15:04:17,666 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:17,667 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:17,667 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 323 [2021-03-26 15:04:17,667 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 643 transitions, 20087 flow [2021-03-26 15:04:17,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:17,667 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:17,667 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:17,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-03-26 15:04:17,667 INFO L428 AbstractCegarLoop]: === Iteration 142 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:17,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:17,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1800448838, now seen corresponding path program 75 times [2021-03-26 15:04:17,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:17,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140500474] [2021-03-26 15:04:17,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:17,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:17,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:17,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:17,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:17,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:17,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:17,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:17,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:17,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:17,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:17,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:17,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:17,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:17,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:17,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:17,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:17,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:17,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:17,749 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:17,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:17,763 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:17,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:17,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140500474] [2021-03-26 15:04:17,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:17,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:17,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260063716] [2021-03-26 15:04:17,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:17,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:17,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:17,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:17,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:17,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 643 transitions, 20087 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:17,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:17,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:17,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:18,532 INFO L129 PetriNetUnfolder]: 616/1467 cut-off events. [2021-03-26 15:04:18,532 INFO L130 PetriNetUnfolder]: For 71381/71396 co-relation queries the response was YES. [2021-03-26 15:04:18,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17997 conditions, 1467 events. 616/1467 cut-off events. For 71381/71396 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10458 event pairs, 10 based on Foata normal form. 16/1294 useless extension candidates. Maximal degree in co-relation 17791. Up to 756 conditions per place. [2021-03-26 15:04:18,560 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 445 selfloop transitions, 193 changer transitions 0/656 dead transitions. [2021-03-26 15:04:18,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 656 transitions, 21579 flow [2021-03-26 15:04:18,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:04:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:04:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 15:04:18,562 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.453781512605042 [2021-03-26 15:04:18,562 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 15:04:18,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 15:04:18,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:18,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 15:04:18,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:18,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:18,563 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:18,563 INFO L185 Difference]: Start difference. First operand has 502 places, 643 transitions, 20087 flow. Second operand 14 states and 756 transitions. [2021-03-26 15:04:18,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 656 transitions, 21579 flow [2021-03-26 15:04:19,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 656 transitions, 21071 flow, removed 46 selfloop flow, removed 15 redundant places. [2021-03-26 15:04:19,093 INFO L241 Difference]: Finished difference. Result has 502 places, 647 transitions, 20225 flow [2021-03-26 15:04:19,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=19579, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=643, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=20225, PETRI_PLACES=502, PETRI_TRANSITIONS=647} [2021-03-26 15:04:19,094 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 449 predicate places. [2021-03-26 15:04:19,094 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:19,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 502 places, 647 transitions, 20225 flow [2021-03-26 15:04:19,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 502 places, 647 transitions, 20225 flow [2021-03-26 15:04:19,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 502 places, 647 transitions, 20225 flow [2021-03-26 15:04:19,343 INFO L129 PetriNetUnfolder]: 557/1374 cut-off events. [2021-03-26 15:04:19,343 INFO L130 PetriNetUnfolder]: For 69264/69313 co-relation queries the response was YES. [2021-03-26 15:04:19,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16094 conditions, 1374 events. 557/1374 cut-off events. For 69264/69313 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10134 event pairs, 4 based on Foata normal form. 7/1190 useless extension candidates. Maximal degree in co-relation 15884. Up to 344 conditions per place. [2021-03-26 15:04:19,382 INFO L142 LiptonReduction]: Number of co-enabled transitions 2406 [2021-03-26 15:04:19,429 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:19,430 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:19,430 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 336 [2021-03-26 15:04:19,430 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 647 transitions, 20225 flow [2021-03-26 15:04:19,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:19,430 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:19,430 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:19,430 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-03-26 15:04:19,430 INFO L428 AbstractCegarLoop]: === Iteration 143 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:19,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:19,430 INFO L82 PathProgramCache]: Analyzing trace with hash -548867802, now seen corresponding path program 76 times [2021-03-26 15:04:19,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:19,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354946289] [2021-03-26 15:04:19,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:19,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:19,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:19,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:19,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:19,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:19,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:19,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:19,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:19,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:19,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:19,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:19,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:19,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:19,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:19,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:19,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:19,503 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:04:19,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:04:19,516 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:19,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:19,530 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:19,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:19,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354946289] [2021-03-26 15:04:19,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:19,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:19,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701422424] [2021-03-26 15:04:19,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:19,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:19,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:19,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:19,534 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:19,534 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 647 transitions, 20225 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:19,534 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:19,534 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:19,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:20,270 INFO L129 PetriNetUnfolder]: 624/1502 cut-off events. [2021-03-26 15:04:20,271 INFO L130 PetriNetUnfolder]: For 73893/73899 co-relation queries the response was YES. [2021-03-26 15:04:20,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18065 conditions, 1502 events. 624/1502 cut-off events. For 73893/73899 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 10865 event pairs, 6 based on Foata normal form. 7/1309 useless extension candidates. Maximal degree in co-relation 17844. Up to 752 conditions per place. [2021-03-26 15:04:20,299 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 444 selfloop transitions, 182 changer transitions 14/658 dead transitions. [2021-03-26 15:04:20,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 658 transitions, 21626 flow [2021-03-26 15:04:20,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:04:20,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:04:20,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 759 transitions. [2021-03-26 15:04:20,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45558223289315725 [2021-03-26 15:04:20,300 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 759 transitions. [2021-03-26 15:04:20,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 759 transitions. [2021-03-26 15:04:20,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:20,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 759 transitions. [2021-03-26 15:04:20,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.214285714285715) internal successors, (759), 14 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:20,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:20,302 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:20,302 INFO L185 Difference]: Start difference. First operand has 502 places, 647 transitions, 20225 flow. Second operand 14 states and 759 transitions. [2021-03-26 15:04:20,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 658 transitions, 21626 flow [2021-03-26 15:04:20,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 658 transitions, 21226 flow, removed 68 selfloop flow, removed 9 redundant places. [2021-03-26 15:04:20,855 INFO L241 Difference]: Finished difference. Result has 508 places, 634 transitions, 19751 flow [2021-03-26 15:04:20,856 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=19825, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19751, PETRI_PLACES=508, PETRI_TRANSITIONS=634} [2021-03-26 15:04:20,856 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 455 predicate places. [2021-03-26 15:04:20,856 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:20,856 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 508 places, 634 transitions, 19751 flow [2021-03-26 15:04:20,856 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 508 places, 634 transitions, 19751 flow [2021-03-26 15:04:20,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 508 places, 634 transitions, 19751 flow [2021-03-26 15:04:21,220 INFO L129 PetriNetUnfolder]: 571/1430 cut-off events. [2021-03-26 15:04:21,221 INFO L130 PetriNetUnfolder]: For 67147/67161 co-relation queries the response was YES. [2021-03-26 15:04:21,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16458 conditions, 1430 events. 571/1430 cut-off events. For 67147/67161 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 10589 event pairs, 4 based on Foata normal form. 2/1229 useless extension candidates. Maximal degree in co-relation 16245. Up to 335 conditions per place. [2021-03-26 15:04:21,261 INFO L142 LiptonReduction]: Number of co-enabled transitions 2406 [2021-03-26 15:04:21,306 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:21,307 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:21,307 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 451 [2021-03-26 15:04:21,307 INFO L480 AbstractCegarLoop]: Abstraction has has 508 places, 634 transitions, 19751 flow [2021-03-26 15:04:21,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:21,307 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:21,307 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:21,307 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-03-26 15:04:21,307 INFO L428 AbstractCegarLoop]: === Iteration 144 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:21,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:21,307 INFO L82 PathProgramCache]: Analyzing trace with hash 664090554, now seen corresponding path program 77 times [2021-03-26 15:04:21,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:21,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667024803] [2021-03-26 15:04:21,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:21,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:21,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:21,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:21,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:21,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:21,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:21,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:21,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:21,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:21,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:21,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:21,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:21,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:21,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:21,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:21,370 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:04:21,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:04:21,382 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:21,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:21,396 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:21,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:21,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667024803] [2021-03-26 15:04:21,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:21,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:21,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986970634] [2021-03-26 15:04:21,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:21,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:21,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:21,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:21,399 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:21,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 634 transitions, 19751 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:21,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:21,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:21,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:22,179 INFO L129 PetriNetUnfolder]: 623/1506 cut-off events. [2021-03-26 15:04:22,179 INFO L130 PetriNetUnfolder]: For 76463/76467 co-relation queries the response was YES. [2021-03-26 15:04:22,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18057 conditions, 1506 events. 623/1506 cut-off events. For 76463/76467 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 10880 event pairs, 23 based on Foata normal form. 6/1308 useless extension candidates. Maximal degree in co-relation 17828. Up to 795 conditions per place. [2021-03-26 15:04:22,206 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 485 selfloop transitions, 139 changer transitions 8/650 dead transitions. [2021-03-26 15:04:22,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 650 transitions, 21439 flow [2021-03-26 15:04:22,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:04:22,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:04:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 814 transitions. [2021-03-26 15:04:22,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4560224089635854 [2021-03-26 15:04:22,207 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 814 transitions. [2021-03-26 15:04:22,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 814 transitions. [2021-03-26 15:04:22,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:22,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 814 transitions. [2021-03-26 15:04:22,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.266666666666666) internal successors, (814), 15 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:22,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:22,208 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 119.0) internal successors, (1904), 16 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:22,208 INFO L185 Difference]: Start difference. First operand has 508 places, 634 transitions, 19751 flow. Second operand 15 states and 814 transitions. [2021-03-26 15:04:22,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 650 transitions, 21439 flow [2021-03-26 15:04:22,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 650 transitions, 20959 flow, removed 8 selfloop flow, removed 16 redundant places. [2021-03-26 15:04:22,826 INFO L241 Difference]: Finished difference. Result has 509 places, 632 transitions, 19452 flow [2021-03-26 15:04:22,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=19271, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=19452, PETRI_PLACES=509, PETRI_TRANSITIONS=632} [2021-03-26 15:04:22,826 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 456 predicate places. [2021-03-26 15:04:22,826 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:22,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 509 places, 632 transitions, 19452 flow [2021-03-26 15:04:22,826 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 509 places, 632 transitions, 19452 flow [2021-03-26 15:04:22,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 508 places, 632 transitions, 19452 flow [2021-03-26 15:04:23,124 INFO L129 PetriNetUnfolder]: 560/1401 cut-off events. [2021-03-26 15:04:23,124 INFO L130 PetriNetUnfolder]: For 71072/71120 co-relation queries the response was YES. [2021-03-26 15:04:23,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15919 conditions, 1401 events. 560/1401 cut-off events. For 71072/71120 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10427 event pairs, 4 based on Foata normal form. 6/1203 useless extension candidates. Maximal degree in co-relation 15705. Up to 327 conditions per place. [2021-03-26 15:04:23,156 INFO L142 LiptonReduction]: Number of co-enabled transitions 2450 [2021-03-26 15:04:23,198 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:23,198 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:23,198 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 372 [2021-03-26 15:04:23,199 INFO L480 AbstractCegarLoop]: Abstraction has has 508 places, 632 transitions, 19452 flow [2021-03-26 15:04:23,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:23,199 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:23,199 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:23,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-03-26 15:04:23,199 INFO L428 AbstractCegarLoop]: === Iteration 145 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:23,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:23,200 INFO L82 PathProgramCache]: Analyzing trace with hash 113481000, now seen corresponding path program 78 times [2021-03-26 15:04:23,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:23,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199149149] [2021-03-26 15:04:23,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:23,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:23,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:23,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:23,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:23,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:23,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:23,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:23,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:23,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:23,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:23,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:23,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:23,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:23,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:23,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:23,282 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:23,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:23,296 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:23,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:23,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199149149] [2021-03-26 15:04:23,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:23,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:23,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145693481] [2021-03-26 15:04:23,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:23,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:23,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:23,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:23,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:23,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 632 transitions, 19452 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:23,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:23,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:23,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:24,075 INFO L129 PetriNetUnfolder]: 615/1491 cut-off events. [2021-03-26 15:04:24,075 INFO L130 PetriNetUnfolder]: For 73375/73390 co-relation queries the response was YES. [2021-03-26 15:04:24,094 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17775 conditions, 1491 events. 615/1491 cut-off events. For 73375/73390 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 10779 event pairs, 10 based on Foata normal form. 13/1304 useless extension candidates. Maximal degree in co-relation 17545. Up to 769 conditions per place. [2021-03-26 15:04:24,100 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 456 selfloop transitions, 164 changer transitions 10/648 dead transitions. [2021-03-26 15:04:24,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 648 transitions, 20977 flow [2021-03-26 15:04:24,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:04:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:04:24,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 918 transitions. [2021-03-26 15:04:24,102 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.453781512605042 [2021-03-26 15:04:24,102 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 918 transitions. [2021-03-26 15:04:24,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 918 transitions. [2021-03-26 15:04:24,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:24,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 918 transitions. [2021-03-26 15:04:24,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 54.0) internal successors, (918), 17 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:24,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:24,104 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:24,104 INFO L185 Difference]: Start difference. First operand has 508 places, 632 transitions, 19452 flow. Second operand 17 states and 918 transitions. [2021-03-26 15:04:24,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 648 transitions, 20977 flow [2021-03-26 15:04:24,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 509 places, 648 transitions, 20660 flow, removed 77 selfloop flow, removed 15 redundant places. [2021-03-26 15:04:24,683 INFO L241 Difference]: Finished difference. Result has 513 places, 626 transitions, 19177 flow [2021-03-26 15:04:24,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=19135, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=632, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=19177, PETRI_PLACES=513, PETRI_TRANSITIONS=626} [2021-03-26 15:04:24,684 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 460 predicate places. [2021-03-26 15:04:24,684 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:24,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 626 transitions, 19177 flow [2021-03-26 15:04:24,684 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 626 transitions, 19177 flow [2021-03-26 15:04:24,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 512 places, 626 transitions, 19177 flow [2021-03-26 15:04:24,921 INFO L129 PetriNetUnfolder]: 554/1396 cut-off events. [2021-03-26 15:04:24,921 INFO L130 PetriNetUnfolder]: For 71832/71880 co-relation queries the response was YES. [2021-03-26 15:04:24,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15837 conditions, 1396 events. 554/1396 cut-off events. For 71832/71880 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10441 event pairs, 3 based on Foata normal form. 6/1198 useless extension candidates. Maximal degree in co-relation 15608. Up to 318 conditions per place. [2021-03-26 15:04:24,954 INFO L142 LiptonReduction]: Number of co-enabled transitions 2450 [2021-03-26 15:04:24,997 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:24,997 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:24,997 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 313 [2021-03-26 15:04:24,997 INFO L480 AbstractCegarLoop]: Abstraction has has 512 places, 626 transitions, 19177 flow [2021-03-26 15:04:24,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:24,998 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:24,998 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:24,998 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-03-26 15:04:24,998 INFO L428 AbstractCegarLoop]: === Iteration 146 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:24,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:24,998 INFO L82 PathProgramCache]: Analyzing trace with hash -627527148, now seen corresponding path program 79 times [2021-03-26 15:04:24,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:24,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585033904] [2021-03-26 15:04:24,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:25,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:25,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:25,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:25,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:25,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:25,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:25,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:25,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:25,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:25,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:25,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:25,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:25,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:25,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:25,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:25,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:25,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:25,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:25,090 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:25,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:25,105 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:25,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:25,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585033904] [2021-03-26 15:04:25,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:25,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:04:25,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631991658] [2021-03-26 15:04:25,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:04:25,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:25,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:04:25,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:04:25,108 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:25,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 626 transitions, 19177 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:25,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:25,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:25,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:25,902 INFO L129 PetriNetUnfolder]: 613/1492 cut-off events. [2021-03-26 15:04:25,902 INFO L130 PetriNetUnfolder]: For 75425/75429 co-relation queries the response was YES. [2021-03-26 15:04:25,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17680 conditions, 1492 events. 613/1492 cut-off events. For 75425/75429 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10810 event pairs, 13 based on Foata normal form. 5/1294 useless extension candidates. Maximal degree in co-relation 17451. Up to 752 conditions per place. [2021-03-26 15:04:25,929 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 442 selfloop transitions, 162 changer transitions 17/639 dead transitions. [2021-03-26 15:04:25,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 525 places, 639 transitions, 20590 flow [2021-03-26 15:04:25,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:04:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:04:25,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 757 transitions. [2021-03-26 15:04:25,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45438175270108044 [2021-03-26 15:04:25,931 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 757 transitions. [2021-03-26 15:04:25,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 757 transitions. [2021-03-26 15:04:25,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:25,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 757 transitions. [2021-03-26 15:04:25,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.07142857142857) internal successors, (757), 14 states have internal predecessors, (757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:25,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:25,932 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 119.0) internal successors, (1785), 15 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:25,932 INFO L185 Difference]: Start difference. First operand has 512 places, 626 transitions, 19177 flow. Second operand 14 states and 757 transitions. [2021-03-26 15:04:25,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 525 places, 639 transitions, 20590 flow [2021-03-26 15:04:26,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 639 transitions, 20032 flow, removed 90 selfloop flow, removed 17 redundant places. [2021-03-26 15:04:26,526 INFO L241 Difference]: Finished difference. Result has 512 places, 613 transitions, 18652 flow [2021-03-26 15:04:26,526 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=18621, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18652, PETRI_PLACES=512, PETRI_TRANSITIONS=613} [2021-03-26 15:04:26,526 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 459 predicate places. [2021-03-26 15:04:26,526 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:26,526 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 613 transitions, 18652 flow [2021-03-26 15:04:26,526 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 613 transitions, 18652 flow [2021-03-26 15:04:26,532 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 508 places, 613 transitions, 18652 flow [2021-03-26 15:04:26,760 INFO L129 PetriNetUnfolder]: 540/1347 cut-off events. [2021-03-26 15:04:26,761 INFO L130 PetriNetUnfolder]: For 68601/68649 co-relation queries the response was YES. [2021-03-26 15:04:26,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15491 conditions, 1347 events. 540/1347 cut-off events. For 68601/68649 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 9938 event pairs, 4 based on Foata normal form. 6/1160 useless extension candidates. Maximal degree in co-relation 15284. Up to 312 conditions per place. [2021-03-26 15:04:26,792 INFO L142 LiptonReduction]: Number of co-enabled transitions 2358 [2021-03-26 15:04:26,834 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:26,834 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:26,834 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-03-26 15:04:26,834 INFO L480 AbstractCegarLoop]: Abstraction has has 508 places, 613 transitions, 18652 flow [2021-03-26 15:04:26,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:26,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:26,835 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:26,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-03-26 15:04:26,835 INFO L428 AbstractCegarLoop]: === Iteration 147 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:26,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:26,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1550214956, now seen corresponding path program 80 times [2021-03-26 15:04:26,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:26,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88108732] [2021-03-26 15:04:26,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:26,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:26,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:26,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:26,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:26,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:26,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:26,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:26,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:26,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:26,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:26,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:26,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:26,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:26,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:26,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:26,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:26,910 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:04:26,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:04:26,923 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:26,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:26,939 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:26,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:26,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88108732] [2021-03-26 15:04:26,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:26,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:26,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370188240] [2021-03-26 15:04:26,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:26,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:26,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:26,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:26,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:26,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 613 transitions, 18652 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:26,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:26,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:26,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:27,734 INFO L129 PetriNetUnfolder]: 599/1446 cut-off events. [2021-03-26 15:04:27,734 INFO L130 PetriNetUnfolder]: For 71584/71599 co-relation queries the response was YES. [2021-03-26 15:04:27,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17461 conditions, 1446 events. 599/1446 cut-off events. For 71584/71599 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10354 event pairs, 10 based on Foata normal form. 17/1272 useless extension candidates. Maximal degree in co-relation 17226. Up to 768 conditions per place. [2021-03-26 15:04:27,760 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 460 selfloop transitions, 149 changer transitions 4/631 dead transitions. [2021-03-26 15:04:27,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 631 transitions, 20326 flow [2021-03-26 15:04:27,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:04:27,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:04:27,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 923 transitions. [2021-03-26 15:04:27,761 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45625308947108256 [2021-03-26 15:04:27,761 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 923 transitions. [2021-03-26 15:04:27,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 923 transitions. [2021-03-26 15:04:27,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:27,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 923 transitions. [2021-03-26 15:04:27,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 54.294117647058826) internal successors, (923), 17 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:27,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:27,763 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 119.0) internal successors, (2142), 18 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:27,763 INFO L185 Difference]: Start difference. First operand has 508 places, 613 transitions, 18652 flow. Second operand 17 states and 923 transitions. [2021-03-26 15:04:27,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 631 transitions, 20326 flow [2021-03-26 15:04:28,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 631 transitions, 19680 flow, removed 30 selfloop flow, removed 26 redundant places. [2021-03-26 15:04:28,299 INFO L241 Difference]: Finished difference. Result has 501 places, 615 transitions, 18450 flow [2021-03-26 15:04:28,299 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=18022, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=613, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=18450, PETRI_PLACES=501, PETRI_TRANSITIONS=615} [2021-03-26 15:04:28,299 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 448 predicate places. [2021-03-26 15:04:28,299 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:28,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 501 places, 615 transitions, 18450 flow [2021-03-26 15:04:28,300 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 501 places, 615 transitions, 18450 flow [2021-03-26 15:04:28,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 501 places, 615 transitions, 18450 flow [2021-03-26 15:04:28,522 INFO L129 PetriNetUnfolder]: 541/1356 cut-off events. [2021-03-26 15:04:28,522 INFO L130 PetriNetUnfolder]: For 67225/67271 co-relation queries the response was YES. [2021-03-26 15:04:28,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15281 conditions, 1356 events. 541/1356 cut-off events. For 67225/67271 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10027 event pairs, 4 based on Foata normal form. 5/1167 useless extension candidates. Maximal degree in co-relation 15070. Up to 311 conditions per place. [2021-03-26 15:04:28,554 INFO L142 LiptonReduction]: Number of co-enabled transitions 2402 [2021-03-26 15:04:28,597 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:28,597 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:28,597 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-03-26 15:04:28,597 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 615 transitions, 18450 flow [2021-03-26 15:04:28,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:28,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:28,597 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:28,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-03-26 15:04:28,597 INFO L428 AbstractCegarLoop]: === Iteration 148 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:28,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:28,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1140365156, now seen corresponding path program 81 times [2021-03-26 15:04:28,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:28,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964514924] [2021-03-26 15:04:28,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:28,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:28,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:28,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:28,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:28,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:28,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:28,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:28,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:28,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:28,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:28,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:28,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:28,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:28,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:28,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:28,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:28,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:28,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:28,665 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:28,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:28,680 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:28,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:28,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964514924] [2021-03-26 15:04:28,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:28,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:28,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991457948] [2021-03-26 15:04:28,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:28,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:28,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:28,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:28,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:28,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 615 transitions, 18450 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:28,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:28,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:28,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:29,346 INFO L129 PetriNetUnfolder]: 602/1457 cut-off events. [2021-03-26 15:04:29,346 INFO L130 PetriNetUnfolder]: For 72163/72167 co-relation queries the response was YES. [2021-03-26 15:04:29,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17058 conditions, 1457 events. 602/1457 cut-off events. For 72163/72167 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10426 event pairs, 23 based on Foata normal form. 5/1265 useless extension candidates. Maximal degree in co-relation 16831. Up to 780 conditions per place. [2021-03-26 15:04:29,369 INFO L132 encePairwiseOnDemand]: 102/119 looper letters, 491 selfloop transitions, 114 changer transitions 0/623 dead transitions. [2021-03-26 15:04:29,369 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 623 transitions, 19721 flow [2021-03-26 15:04:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:29,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 15:04:29,370 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2021-03-26 15:04:29,370 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 15:04:29,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 15:04:29,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:29,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 15:04:29,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:29,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 119.0) internal successors, (1547), 13 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:29,372 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 119.0) internal successors, (1547), 13 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:29,372 INFO L185 Difference]: Start difference. First operand has 501 places, 615 transitions, 18450 flow. Second operand 12 states and 646 transitions. [2021-03-26 15:04:29,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 623 transitions, 19721 flow [2021-03-26 15:04:29,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 499 places, 623 transitions, 19383 flow, removed 94 selfloop flow, removed 13 redundant places. [2021-03-26 15:04:29,836 INFO L241 Difference]: Finished difference. Result has 501 places, 616 transitions, 18367 flow [2021-03-26 15:04:29,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=18112, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=615, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18367, PETRI_PLACES=501, PETRI_TRANSITIONS=616} [2021-03-26 15:04:29,836 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 448 predicate places. [2021-03-26 15:04:29,836 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:29,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 501 places, 616 transitions, 18367 flow [2021-03-26 15:04:29,837 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 501 places, 616 transitions, 18367 flow [2021-03-26 15:04:29,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 501 places, 616 transitions, 18367 flow [2021-03-26 15:04:30,069 INFO L129 PetriNetUnfolder]: 546/1371 cut-off events. [2021-03-26 15:04:30,069 INFO L130 PetriNetUnfolder]: For 64778/64824 co-relation queries the response was YES. [2021-03-26 15:04:30,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15253 conditions, 1371 events. 546/1371 cut-off events. For 64778/64824 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10168 event pairs, 3 based on Foata normal form. 5/1177 useless extension candidates. Maximal degree in co-relation 15025. Up to 310 conditions per place. [2021-03-26 15:04:30,101 INFO L142 LiptonReduction]: Number of co-enabled transitions 2412 [2021-03-26 15:04:30,145 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:30,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:30,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 309 [2021-03-26 15:04:30,145 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 616 transitions, 18367 flow [2021-03-26 15:04:30,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:30,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:30,145 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, 1, 1, 1, 1] [2021-03-26 15:04:30,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-03-26 15:04:30,145 INFO L428 AbstractCegarLoop]: === Iteration 149 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:30,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:30,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1482006724, now seen corresponding path program 82 times [2021-03-26 15:04:30,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:30,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264865543] [2021-03-26 15:04:30,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:30,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:30,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:30,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:30,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:30,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:30,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:30,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:30,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:30,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:30,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:30,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:30,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:30,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:30,228 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:04:30,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:04:30,242 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:30,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:30,261 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:30,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:30,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264865543] [2021-03-26 15:04:30,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:30,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:04:30,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742013128] [2021-03-26 15:04:30,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:04:30,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:30,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:04:30,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:04:30,266 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 119 [2021-03-26 15:04:30,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 616 transitions, 18367 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:30,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:30,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 119 [2021-03-26 15:04:30,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:31,101 INFO L129 PetriNetUnfolder]: 607/1481 cut-off events. [2021-03-26 15:04:31,101 INFO L130 PetriNetUnfolder]: For 70777/70783 co-relation queries the response was YES. [2021-03-26 15:04:31,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17155 conditions, 1481 events. 607/1481 cut-off events. For 70777/70783 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10764 event pairs, 6 based on Foata normal form. 8/1286 useless extension candidates. Maximal degree in co-relation 16923. Up to 758 conditions per place. [2021-03-26 15:04:31,125 INFO L132 encePairwiseOnDemand]: 101/119 looper letters, 445 selfloop transitions, 146 changer transitions 24/633 dead transitions. [2021-03-26 15:04:31,126 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 633 transitions, 20008 flow [2021-03-26 15:04:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 15:04:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 15:04:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1023 transitions. [2021-03-26 15:04:31,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4524546660769571 [2021-03-26 15:04:31,127 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1023 transitions. [2021-03-26 15:04:31,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1023 transitions. [2021-03-26 15:04:31,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:31,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1023 transitions. [2021-03-26 15:04:31,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.8421052631579) internal successors, (1023), 19 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:31,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:31,129 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 119.0) internal successors, (2380), 20 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:31,129 INFO L185 Difference]: Start difference. First operand has 501 places, 616 transitions, 18367 flow. Second operand 19 states and 1023 transitions. [2021-03-26 15:04:31,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 633 transitions, 20008 flow [2021-03-26 15:04:31,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 633 transitions, 19764 flow, removed 10 selfloop flow, removed 9 redundant places. [2021-03-26 15:04:31,602 INFO L241 Difference]: Finished difference. Result has 513 places, 597 transitions, 17356 flow [2021-03-26 15:04:31,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=18123, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=17356, PETRI_PLACES=513, PETRI_TRANSITIONS=597} [2021-03-26 15:04:31,602 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 460 predicate places. [2021-03-26 15:04:31,602 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:31,602 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 513 places, 597 transitions, 17356 flow [2021-03-26 15:04:31,602 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 513 places, 597 transitions, 17356 flow [2021-03-26 15:04:31,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 508 places, 597 transitions, 17356 flow [2021-03-26 15:04:31,829 INFO L129 PetriNetUnfolder]: 527/1320 cut-off events. [2021-03-26 15:04:31,829 INFO L130 PetriNetUnfolder]: For 67640/67686 co-relation queries the response was YES. [2021-03-26 15:04:31,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14633 conditions, 1320 events. 527/1320 cut-off events. For 67640/67686 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9652 event pairs, 4 based on Foata normal form. 5/1135 useless extension candidates. Maximal degree in co-relation 14432. Up to 301 conditions per place. [2021-03-26 15:04:31,860 INFO L142 LiptonReduction]: Number of co-enabled transitions 2388 [2021-03-26 15:04:32,054 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:04:32,055 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:04:32,055 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 453 [2021-03-26 15:04:32,055 INFO L480 AbstractCegarLoop]: Abstraction has has 508 places, 597 transitions, 17369 flow [2021-03-26 15:04:32,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:32,055 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:32,055 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:32,055 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-03-26 15:04:32,055 INFO L428 AbstractCegarLoop]: === Iteration 150 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:32,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:32,056 INFO L82 PathProgramCache]: Analyzing trace with hash 273798702, now seen corresponding path program 83 times [2021-03-26 15:04:32,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:32,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507517633] [2021-03-26 15:04:32,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:32,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:32,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:32,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:32,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:32,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:32,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:32,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:32,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:32,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:32,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:32,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:32,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:32,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:32,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:32,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:32,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:32,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:32,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:32,159 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:32,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:32,179 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:32,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:32,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507517633] [2021-03-26 15:04:32,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:32,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:32,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037488845] [2021-03-26 15:04:32,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:32,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:32,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:32,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:32,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 120 [2021-03-26 15:04:32,183 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 597 transitions, 17369 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:32,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:32,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 120 [2021-03-26 15:04:32,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:32,926 INFO L129 PetriNetUnfolder]: 587/1427 cut-off events. [2021-03-26 15:04:32,926 INFO L130 PetriNetUnfolder]: For 71606/71610 co-relation queries the response was YES. [2021-03-26 15:04:32,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16427 conditions, 1427 events. 587/1427 cut-off events. For 71606/71610 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10204 event pairs, 23 based on Foata normal form. 5/1239 useless extension candidates. Maximal degree in co-relation 16224. Up to 759 conditions per place. [2021-03-26 15:04:32,949 INFO L132 encePairwiseOnDemand]: 103/120 looper letters, 473 selfloop transitions, 113 changer transitions 10/614 dead transitions. [2021-03-26 15:04:32,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 614 transitions, 18713 flow [2021-03-26 15:04:32,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:04:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:04:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 864 transitions. [2021-03-26 15:04:32,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45 [2021-03-26 15:04:32,950 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 864 transitions. [2021-03-26 15:04:32,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 864 transitions. [2021-03-26 15:04:32,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:32,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 864 transitions. [2021-03-26 15:04:32,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.0) internal successors, (864), 16 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:32,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 120.0) internal successors, (2040), 17 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:32,952 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 120.0) internal successors, (2040), 17 states have internal predecessors, (2040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:32,952 INFO L185 Difference]: Start difference. First operand has 508 places, 597 transitions, 17369 flow. Second operand 16 states and 864 transitions. [2021-03-26 15:04:32,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 614 transitions, 18713 flow [2021-03-26 15:04:33,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 614 transitions, 18007 flow, removed 198 selfloop flow, removed 23 redundant places. [2021-03-26 15:04:33,463 INFO L241 Difference]: Finished difference. Result has 504 places, 591 transitions, 16677 flow [2021-03-26 15:04:33,463 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=16665, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=597, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=484, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=16677, PETRI_PLACES=504, PETRI_TRANSITIONS=591} [2021-03-26 15:04:33,463 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 451 predicate places. [2021-03-26 15:04:33,463 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:33,463 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 591 transitions, 16677 flow [2021-03-26 15:04:33,463 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 591 transitions, 16677 flow [2021-03-26 15:04:33,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 501 places, 591 transitions, 16677 flow [2021-03-26 15:04:33,682 INFO L129 PetriNetUnfolder]: 525/1316 cut-off events. [2021-03-26 15:04:33,682 INFO L130 PetriNetUnfolder]: For 61403/61449 co-relation queries the response was YES. [2021-03-26 15:04:33,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14259 conditions, 1316 events. 525/1316 cut-off events. For 61403/61449 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 9679 event pairs, 4 based on Foata normal form. 5/1131 useless extension candidates. Maximal degree in co-relation 14059. Up to 291 conditions per place. [2021-03-26 15:04:33,712 INFO L142 LiptonReduction]: Number of co-enabled transitions 2384 [2021-03-26 15:04:33,841 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-26 15:04:33,841 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:04:33,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 378 [2021-03-26 15:04:33,842 INFO L480 AbstractCegarLoop]: Abstraction has has 501 places, 591 transitions, 16691 flow [2021-03-26 15:04:33,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:33,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:33,842 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:33,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-03-26 15:04:33,842 INFO L428 AbstractCegarLoop]: === Iteration 151 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:33,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:33,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1081476152, now seen corresponding path program 84 times [2021-03-26 15:04:33,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:33,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298595770] [2021-03-26 15:04:33,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:33,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:33,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:33,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:33,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:33,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:33,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:33,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:33,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:33,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:33,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:33,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:33,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:33,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:33,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:33,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:33,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:33,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:33,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:33,922 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:33,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:33,936 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:33,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:33,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298595770] [2021-03-26 15:04:33,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:33,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:33,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93393667] [2021-03-26 15:04:33,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:33,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:33,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:33,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:33,939 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 122 [2021-03-26 15:04:33,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 591 transitions, 16691 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:33,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:33,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 122 [2021-03-26 15:04:33,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:34,687 INFO L129 PetriNetUnfolder]: 588/1422 cut-off events. [2021-03-26 15:04:34,687 INFO L130 PetriNetUnfolder]: For 69670/69674 co-relation queries the response was YES. [2021-03-26 15:04:34,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16210 conditions, 1422 events. 588/1422 cut-off events. For 69670/69674 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10176 event pairs, 13 based on Foata normal form. 6/1236 useless extension candidates. Maximal degree in co-relation 16008. Up to 690 conditions per place. [2021-03-26 15:04:34,710 INFO L132 encePairwiseOnDemand]: 103/122 looper letters, 380 selfloop transitions, 187 changer transitions 23/608 dead transitions. [2021-03-26 15:04:34,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 608 transitions, 18346 flow [2021-03-26 15:04:34,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:04:34,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:04:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 712 transitions. [2021-03-26 15:04:34,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4489281210592686 [2021-03-26 15:04:34,712 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 712 transitions. [2021-03-26 15:04:34,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 712 transitions. [2021-03-26 15:04:34,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:34,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 712 transitions. [2021-03-26 15:04:34,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.76923076923077) internal successors, (712), 13 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:34,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 122.0) internal successors, (1708), 14 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:34,713 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 122.0) internal successors, (1708), 14 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:34,713 INFO L185 Difference]: Start difference. First operand has 501 places, 591 transitions, 16691 flow. Second operand 13 states and 712 transitions. [2021-03-26 15:04:34,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 608 transitions, 18346 flow [2021-03-26 15:04:35,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 608 transitions, 18044 flow, removed 23 selfloop flow, removed 21 redundant places. [2021-03-26 15:04:35,193 INFO L241 Difference]: Finished difference. Result has 496 places, 577 transitions, 16711 flow [2021-03-26 15:04:35,193 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=16389, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=16711, PETRI_PLACES=496, PETRI_TRANSITIONS=577} [2021-03-26 15:04:35,193 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 443 predicate places. [2021-03-26 15:04:35,193 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:35,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 577 transitions, 16711 flow [2021-03-26 15:04:35,193 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 577 transitions, 16711 flow [2021-03-26 15:04:35,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 492 places, 577 transitions, 16711 flow [2021-03-26 15:04:35,403 INFO L129 PetriNetUnfolder]: 493/1227 cut-off events. [2021-03-26 15:04:35,403 INFO L130 PetriNetUnfolder]: For 65035/65083 co-relation queries the response was YES. [2021-03-26 15:04:35,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14270 conditions, 1227 events. 493/1227 cut-off events. For 65035/65083 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 8825 event pairs, 14 based on Foata normal form. 6/1069 useless extension candidates. Maximal degree in co-relation 14054. Up to 285 conditions per place. [2021-03-26 15:04:35,474 INFO L142 LiptonReduction]: Number of co-enabled transitions 2302 [2021-03-26 15:04:35,509 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:35,510 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:35,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 317 [2021-03-26 15:04:35,510 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 577 transitions, 16711 flow [2021-03-26 15:04:35,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:35,510 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:35,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:35,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-03-26 15:04:35,510 INFO L428 AbstractCegarLoop]: === Iteration 152 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:35,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:35,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1283667792, now seen corresponding path program 1 times [2021-03-26 15:04:35,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:35,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954657332] [2021-03-26 15:04:35,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:35,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:35,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:35,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:35,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:35,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:35,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:35,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:35,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:35,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:35,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:35,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:35,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:35,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:35,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:35,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:35,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:35,577 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:35,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:35,589 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:35,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:35,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954657332] [2021-03-26 15:04:35,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:35,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:35,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788214745] [2021-03-26 15:04:35,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:35,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:35,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:35,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:35,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 122 [2021-03-26 15:04:35,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 577 transitions, 16711 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:35,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:35,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 122 [2021-03-26 15:04:35,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:36,206 INFO L129 PetriNetUnfolder]: 569/1377 cut-off events. [2021-03-26 15:04:36,206 INFO L130 PetriNetUnfolder]: For 67417/67423 co-relation queries the response was YES. [2021-03-26 15:04:36,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16206 conditions, 1377 events. 569/1377 cut-off events. For 67417/67423 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9790 event pairs, 10 based on Foata normal form. 7/1203 useless extension candidates. Maximal degree in co-relation 15987. Up to 726 conditions per place. [2021-03-26 15:04:36,230 INFO L132 encePairwiseOnDemand]: 105/122 looper letters, 431 selfloop transitions, 101 changer transitions 48/598 dead transitions. [2021-03-26 15:04:36,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 598 transitions, 18285 flow [2021-03-26 15:04:36,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:04:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:04:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 561 transitions. [2021-03-26 15:04:36,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4598360655737705 [2021-03-26 15:04:36,231 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 561 transitions. [2021-03-26 15:04:36,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 561 transitions. [2021-03-26 15:04:36,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:36,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 561 transitions. [2021-03-26 15:04:36,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.1) internal successors, (561), 10 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:36,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:36,232 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:36,232 INFO L185 Difference]: Start difference. First operand has 492 places, 577 transitions, 16711 flow. Second operand 10 states and 561 transitions. [2021-03-26 15:04:36,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 598 transitions, 18285 flow [2021-03-26 15:04:36,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 598 transitions, 17818 flow, removed 34 selfloop flow, removed 16 redundant places. [2021-03-26 15:04:36,702 INFO L241 Difference]: Finished difference. Result has 492 places, 542 transitions, 15756 flow [2021-03-26 15:04:36,702 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=16244, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=577, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=15756, PETRI_PLACES=492, PETRI_TRANSITIONS=542} [2021-03-26 15:04:36,702 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 439 predicate places. [2021-03-26 15:04:36,702 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:36,703 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 492 places, 542 transitions, 15756 flow [2021-03-26 15:04:36,703 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 492 places, 542 transitions, 15756 flow [2021-03-26 15:04:36,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 484 places, 542 transitions, 15756 flow [2021-03-26 15:04:36,896 INFO L129 PetriNetUnfolder]: 475/1160 cut-off events. [2021-03-26 15:04:36,896 INFO L130 PetriNetUnfolder]: For 60442/60490 co-relation queries the response was YES. [2021-03-26 15:04:36,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13514 conditions, 1160 events. 475/1160 cut-off events. For 60442/60490 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8083 event pairs, 7 based on Foata normal form. 6/1009 useless extension candidates. Maximal degree in co-relation 13271. Up to 284 conditions per place. [2021-03-26 15:04:36,922 INFO L142 LiptonReduction]: Number of co-enabled transitions 2036 [2021-03-26 15:04:37,076 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 15:04:37,077 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:04:37,077 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 375 [2021-03-26 15:04:37,077 INFO L480 AbstractCegarLoop]: Abstraction has has 484 places, 542 transitions, 15771 flow [2021-03-26 15:04:37,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:37,077 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:37,077 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:37,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-03-26 15:04:37,077 INFO L428 AbstractCegarLoop]: === Iteration 153 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:37,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:37,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1292115008, now seen corresponding path program 85 times [2021-03-26 15:04:37,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:37,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455769533] [2021-03-26 15:04:37,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:37,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:37,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:37,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:37,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:37,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:37,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:37,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:37,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:37,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:37,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:37,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:37,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:37,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:37,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:37,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:37,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:37,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:37,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:37,184 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:37,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:37,204 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:37,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:37,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455769533] [2021-03-26 15:04:37,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:37,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:37,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060170792] [2021-03-26 15:04:37,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:37,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:37,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:37,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:37,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 15:04:37,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 542 transitions, 15771 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:37,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:37,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 15:04:37,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:37,934 INFO L129 PetriNetUnfolder]: 540/1281 cut-off events. [2021-03-26 15:04:37,935 INFO L130 PetriNetUnfolder]: For 65461/65467 co-relation queries the response was YES. [2021-03-26 15:04:37,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15219 conditions, 1281 events. 540/1281 cut-off events. For 65461/65467 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8855 event pairs, 6 based on Foata normal form. 7/1120 useless extension candidates. Maximal degree in co-relation 14995. Up to 692 conditions per place. [2021-03-26 15:04:37,955 INFO L132 encePairwiseOnDemand]: 106/124 looper letters, 415 selfloop transitions, 109 changer transitions 13/555 dead transitions. [2021-03-26 15:04:37,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 555 transitions, 16948 flow [2021-03-26 15:04:37,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:04:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:04:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 700 transitions. [2021-03-26 15:04:37,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43424317617866004 [2021-03-26 15:04:37,957 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 700 transitions. [2021-03-26 15:04:37,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 700 transitions. [2021-03-26 15:04:37,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:37,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 700 transitions. [2021-03-26 15:04:37,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.84615384615385) internal successors, (700), 13 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:37,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:37,958 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 124.0) internal successors, (1736), 14 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:37,958 INFO L185 Difference]: Start difference. First operand has 484 places, 542 transitions, 15771 flow. Second operand 13 states and 700 transitions. [2021-03-26 15:04:37,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 555 transitions, 16948 flow [2021-03-26 15:04:38,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 555 transitions, 16272 flow, removed 68 selfloop flow, removed 27 redundant places. [2021-03-26 15:04:38,423 INFO L241 Difference]: Finished difference. Result has 473 places, 533 transitions, 14901 flow [2021-03-26 15:04:38,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=15095, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=14901, PETRI_PLACES=473, PETRI_TRANSITIONS=533} [2021-03-26 15:04:38,423 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 420 predicate places. [2021-03-26 15:04:38,423 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:38,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 473 places, 533 transitions, 14901 flow [2021-03-26 15:04:38,423 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 473 places, 533 transitions, 14901 flow [2021-03-26 15:04:38,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 533 transitions, 14901 flow [2021-03-26 15:04:38,645 INFO L129 PetriNetUnfolder]: 476/1156 cut-off events. [2021-03-26 15:04:38,645 INFO L130 PetriNetUnfolder]: For 59761/59765 co-relation queries the response was YES. [2021-03-26 15:04:38,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13020 conditions, 1156 events. 476/1156 cut-off events. For 59761/59765 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7979 event pairs, 11 based on Foata normal form. 2/1005 useless extension candidates. Maximal degree in co-relation 12829. Up to 275 conditions per place. [2021-03-26 15:04:38,668 INFO L142 LiptonReduction]: Number of co-enabled transitions 2024 [2021-03-26 15:04:38,699 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:38,699 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:38,699 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 276 [2021-03-26 15:04:38,699 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 533 transitions, 14901 flow [2021-03-26 15:04:38,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:38,700 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:38,700 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:38,700 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-03-26 15:04:38,700 INFO L428 AbstractCegarLoop]: === Iteration 154 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:38,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:38,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1862326478, now seen corresponding path program 1 times [2021-03-26 15:04:38,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:38,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588281560] [2021-03-26 15:04:38,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:38,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:38,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:38,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:38,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:38,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:38,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:38,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:38,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:38,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:38,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:38,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:38,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:38,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:38,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:38,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:38,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:38,784 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:38,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:38,798 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:38,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:38,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588281560] [2021-03-26 15:04:38,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:38,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:38,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033741726] [2021-03-26 15:04:38,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:38,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:38,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:38,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:38,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 15:04:38,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 533 transitions, 14901 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:38,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:38,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 15:04:38,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:39,385 INFO L129 PetriNetUnfolder]: 519/1220 cut-off events. [2021-03-26 15:04:39,385 INFO L130 PetriNetUnfolder]: For 64593/64597 co-relation queries the response was YES. [2021-03-26 15:04:39,400 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14523 conditions, 1220 events. 519/1220 cut-off events. For 64593/64597 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8230 event pairs, 20 based on Foata normal form. 5/1075 useless extension candidates. Maximal degree in co-relation 14330. Up to 695 conditions per place. [2021-03-26 15:04:39,405 INFO L132 encePairwiseOnDemand]: 107/124 looper letters, 441 selfloop transitions, 89 changer transitions 0/548 dead transitions. [2021-03-26 15:04:39,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 548 transitions, 16387 flow [2021-03-26 15:04:39,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 656 transitions. [2021-03-26 15:04:39,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44086021505376344 [2021-03-26 15:04:39,407 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 656 transitions. [2021-03-26 15:04:39,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 656 transitions. [2021-03-26 15:04:39,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:39,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 656 transitions. [2021-03-26 15:04:39,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.666666666666664) internal successors, (656), 12 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:39,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:39,408 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:39,408 INFO L185 Difference]: Start difference. First operand has 468 places, 533 transitions, 14901 flow. Second operand 12 states and 656 transitions. [2021-03-26 15:04:39,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 548 transitions, 16387 flow [2021-03-26 15:04:39,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 548 transitions, 15979 flow, removed 65 selfloop flow, removed 13 redundant places. [2021-03-26 15:04:39,814 INFO L241 Difference]: Finished difference. Result has 468 places, 536 transitions, 14972 flow [2021-03-26 15:04:39,815 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=14499, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=14972, PETRI_PLACES=468, PETRI_TRANSITIONS=536} [2021-03-26 15:04:39,815 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 415 predicate places. [2021-03-26 15:04:39,815 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:39,815 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 468 places, 536 transitions, 14972 flow [2021-03-26 15:04:39,815 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 468 places, 536 transitions, 14972 flow [2021-03-26 15:04:39,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 536 transitions, 14972 flow [2021-03-26 15:04:39,989 INFO L129 PetriNetUnfolder]: 453/1109 cut-off events. [2021-03-26 15:04:39,990 INFO L130 PetriNetUnfolder]: For 57940/57989 co-relation queries the response was YES. [2021-03-26 15:04:40,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12680 conditions, 1109 events. 453/1109 cut-off events. For 57940/57989 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7706 event pairs, 8 based on Foata normal form. 7/972 useless extension candidates. Maximal degree in co-relation 12478. Up to 271 conditions per place. [2021-03-26 15:04:40,014 INFO L142 LiptonReduction]: Number of co-enabled transitions 2064 [2021-03-26 15:04:40,046 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:40,046 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:40,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 232 [2021-03-26 15:04:40,047 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 536 transitions, 14972 flow [2021-03-26 15:04:40,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:40,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:40,047 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:40,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-03-26 15:04:40,047 INFO L428 AbstractCegarLoop]: === Iteration 155 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:40,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:40,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1482229054, now seen corresponding path program 2 times [2021-03-26 15:04:40,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:40,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060096791] [2021-03-26 15:04:40,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:40,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:40,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:40,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:40,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:40,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:40,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:40,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:40,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:40,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:40,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:40,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:40,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:40,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:40,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:40,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:40,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:40,128 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:40,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:40,142 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:40,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:40,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060096791] [2021-03-26 15:04:40,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:40,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:40,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042078427] [2021-03-26 15:04:40,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:40,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:40,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:40,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:40,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 15:04:40,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 536 transitions, 14972 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:40,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:40,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 15:04:40,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:40,687 INFO L129 PetriNetUnfolder]: 519/1225 cut-off events. [2021-03-26 15:04:40,687 INFO L130 PetriNetUnfolder]: For 61092/61098 co-relation queries the response was YES. [2021-03-26 15:04:40,702 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14414 conditions, 1225 events. 519/1225 cut-off events. For 61092/61098 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8275 event pairs, 10 based on Foata normal form. 7/1081 useless extension candidates. Maximal degree in co-relation 14201. Up to 721 conditions per place. [2021-03-26 15:04:40,707 INFO L132 encePairwiseOnDemand]: 110/124 looper letters, 457 selfloop transitions, 58 changer transitions 13/546 dead transitions. [2021-03-26 15:04:40,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 546 transitions, 16196 flow [2021-03-26 15:04:40,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:40,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 15:04:40,708 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43413978494623656 [2021-03-26 15:04:40,708 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 15:04:40,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 15:04:40,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:40,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 15:04:40,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:40,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:40,710 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:40,710 INFO L185 Difference]: Start difference. First operand has 468 places, 536 transitions, 14972 flow. Second operand 12 states and 646 transitions. [2021-03-26 15:04:40,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 479 places, 546 transitions, 16196 flow [2021-03-26 15:04:41,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 546 transitions, 16044 flow, removed 47 selfloop flow, removed 7 redundant places. [2021-03-26 15:04:41,160 INFO L241 Difference]: Finished difference. Result has 474 places, 524 transitions, 14767 flow [2021-03-26 15:04:41,160 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=14820, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=14767, PETRI_PLACES=474, PETRI_TRANSITIONS=524} [2021-03-26 15:04:41,160 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 421 predicate places. [2021-03-26 15:04:41,160 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:41,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 474 places, 524 transitions, 14767 flow [2021-03-26 15:04:41,161 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 474 places, 524 transitions, 14767 flow [2021-03-26 15:04:41,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 472 places, 524 transitions, 14767 flow [2021-03-26 15:04:41,346 INFO L129 PetriNetUnfolder]: 461/1115 cut-off events. [2021-03-26 15:04:41,347 INFO L130 PetriNetUnfolder]: For 59557/59573 co-relation queries the response was YES. [2021-03-26 15:04:41,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12887 conditions, 1115 events. 461/1115 cut-off events. For 59557/59573 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7671 event pairs, 8 based on Foata normal form. 3/974 useless extension candidates. Maximal degree in co-relation 12682. Up to 278 conditions per place. [2021-03-26 15:04:41,371 INFO L142 LiptonReduction]: Number of co-enabled transitions 1928 [2021-03-26 15:04:41,403 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:41,403 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:41,403 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-03-26 15:04:41,403 INFO L480 AbstractCegarLoop]: Abstraction has has 472 places, 524 transitions, 14767 flow [2021-03-26 15:04:41,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:41,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:41,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:41,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-03-26 15:04:41,404 INFO L428 AbstractCegarLoop]: === Iteration 156 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:41,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:41,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1620991998, now seen corresponding path program 3 times [2021-03-26 15:04:41,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:41,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488045972] [2021-03-26 15:04:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:41,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:41,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:41,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:41,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:41,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:41,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:41,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:41,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:41,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:41,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:41,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:41,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:41,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:41,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:41,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:41,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:41,470 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:41,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:41,483 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:41,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:41,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488045972] [2021-03-26 15:04:41,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:41,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:41,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601255445] [2021-03-26 15:04:41,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:41,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:41,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:41,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:41,486 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 15:04:41,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 524 transitions, 14767 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:41,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:41,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 15:04:41,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:42,005 INFO L129 PetriNetUnfolder]: 517/1221 cut-off events. [2021-03-26 15:04:42,005 INFO L130 PetriNetUnfolder]: For 63079/63083 co-relation queries the response was YES. [2021-03-26 15:04:42,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14639 conditions, 1221 events. 517/1221 cut-off events. For 63079/63083 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8241 event pairs, 21 based on Foata normal form. 5/1075 useless extension candidates. Maximal degree in co-relation 14423. Up to 712 conditions per place. [2021-03-26 15:04:42,025 INFO L132 encePairwiseOnDemand]: 108/124 looper letters, 456 selfloop transitions, 68 changer transitions 0/542 dead transitions. [2021-03-26 15:04:42,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 542 transitions, 16420 flow [2021-03-26 15:04:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:04:42,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:04:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 598 transitions. [2021-03-26 15:04:42,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43841642228739003 [2021-03-26 15:04:42,026 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 598 transitions. [2021-03-26 15:04:42,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 598 transitions. [2021-03-26 15:04:42,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:42,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 598 transitions. [2021-03-26 15:04:42,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.36363636363637) internal successors, (598), 11 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:42,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 124.0) internal successors, (1488), 12 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:42,027 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 124.0) internal successors, (1488), 12 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:42,027 INFO L185 Difference]: Start difference. First operand has 472 places, 524 transitions, 14767 flow. Second operand 11 states and 598 transitions. [2021-03-26 15:04:42,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 542 transitions, 16420 flow [2021-03-26 15:04:42,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 542 transitions, 16015 flow, removed 83 selfloop flow, removed 13 redundant places. [2021-03-26 15:04:42,464 INFO L241 Difference]: Finished difference. Result has 472 places, 531 transitions, 15011 flow [2021-03-26 15:04:42,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=14372, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15011, PETRI_PLACES=472, PETRI_TRANSITIONS=531} [2021-03-26 15:04:42,464 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 419 predicate places. [2021-03-26 15:04:42,464 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:42,464 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 531 transitions, 15011 flow [2021-03-26 15:04:42,464 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 531 transitions, 15011 flow [2021-03-26 15:04:42,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 472 places, 531 transitions, 15011 flow [2021-03-26 15:04:42,641 INFO L129 PetriNetUnfolder]: 462/1150 cut-off events. [2021-03-26 15:04:42,641 INFO L130 PetriNetUnfolder]: For 58234/58282 co-relation queries the response was YES. [2021-03-26 15:04:42,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13000 conditions, 1150 events. 462/1150 cut-off events. For 58234/58282 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 7992 event pairs, 9 based on Foata normal form. 7/999 useless extension candidates. Maximal degree in co-relation 12794. Up to 270 conditions per place. [2021-03-26 15:04:42,666 INFO L142 LiptonReduction]: Number of co-enabled transitions 1954 [2021-03-26 15:04:42,697 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:42,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:42,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 233 [2021-03-26 15:04:42,698 INFO L480 AbstractCegarLoop]: Abstraction has has 472 places, 531 transitions, 15011 flow [2021-03-26 15:04:42,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:42,698 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:42,698 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:42,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-03-26 15:04:42,698 INFO L428 AbstractCegarLoop]: === Iteration 157 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:42,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:42,698 INFO L82 PathProgramCache]: Analyzing trace with hash 485458028, now seen corresponding path program 4 times [2021-03-26 15:04:42,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:42,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875284063] [2021-03-26 15:04:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:42,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:42,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:42,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:42,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:42,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:42,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:42,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:42,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:42,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:42,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:42,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:42,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:42,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:42,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:42,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:42,791 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:04:42,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:42,805 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:42,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:42,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875284063] [2021-03-26 15:04:42,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:42,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:42,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758217288] [2021-03-26 15:04:42,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:42,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:42,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:42,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:42,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 15:04:42,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 531 transitions, 15011 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:42,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:42,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 15:04:42,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:43,364 INFO L129 PetriNetUnfolder]: 524/1250 cut-off events. [2021-03-26 15:04:43,364 INFO L130 PetriNetUnfolder]: For 64693/64697 co-relation queries the response was YES. [2021-03-26 15:04:43,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14761 conditions, 1250 events. 524/1250 cut-off events. For 64693/64697 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8531 event pairs, 20 based on Foata normal form. 5/1096 useless extension candidates. Maximal degree in co-relation 14544. Up to 694 conditions per place. [2021-03-26 15:04:43,385 INFO L132 encePairwiseOnDemand]: 108/124 looper letters, 435 selfloop transitions, 96 changer transitions 0/549 dead transitions. [2021-03-26 15:04:43,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 549 transitions, 16532 flow [2021-03-26 15:04:43,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:43,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 650 transitions. [2021-03-26 15:04:43,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4368279569892473 [2021-03-26 15:04:43,386 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 650 transitions. [2021-03-26 15:04:43,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 650 transitions. [2021-03-26 15:04:43,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:43,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 650 transitions. [2021-03-26 15:04:43,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.166666666666664) internal successors, (650), 12 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:43,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:43,387 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:43,388 INFO L185 Difference]: Start difference. First operand has 472 places, 531 transitions, 15011 flow. Second operand 12 states and 650 transitions. [2021-03-26 15:04:43,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 549 transitions, 16532 flow [2021-03-26 15:04:43,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 549 transitions, 16344 flow, removed 65 selfloop flow, removed 4 redundant places. [2021-03-26 15:04:43,837 INFO L241 Difference]: Finished difference. Result has 482 places, 537 transitions, 15390 flow [2021-03-26 15:04:43,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=14823, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15390, PETRI_PLACES=482, PETRI_TRANSITIONS=537} [2021-03-26 15:04:43,837 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 429 predicate places. [2021-03-26 15:04:43,837 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:43,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 482 places, 537 transitions, 15390 flow [2021-03-26 15:04:43,837 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 482 places, 537 transitions, 15390 flow [2021-03-26 15:04:43,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 537 transitions, 15390 flow [2021-03-26 15:04:44,021 INFO L129 PetriNetUnfolder]: 467/1172 cut-off events. [2021-03-26 15:04:44,021 INFO L130 PetriNetUnfolder]: For 60040/60087 co-relation queries the response was YES. [2021-03-26 15:04:44,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13355 conditions, 1172 events. 467/1172 cut-off events. For 60040/60087 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8274 event pairs, 3 based on Foata normal form. 6/1017 useless extension candidates. Maximal degree in co-relation 13146. Up to 274 conditions per place. [2021-03-26 15:04:44,048 INFO L142 LiptonReduction]: Number of co-enabled transitions 1980 [2021-03-26 15:04:44,081 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:44,081 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:44,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 244 [2021-03-26 15:04:44,081 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 537 transitions, 15390 flow [2021-03-26 15:04:44,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:44,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:44,081 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:44,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-03-26 15:04:44,081 INFO L428 AbstractCegarLoop]: === Iteration 158 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:44,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:44,082 INFO L82 PathProgramCache]: Analyzing trace with hash 184966646, now seen corresponding path program 5 times [2021-03-26 15:04:44,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:44,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118100366] [2021-03-26 15:04:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:44,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:44,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:44,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:44,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:44,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:44,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:44,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:44,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:44,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:44,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:44,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:44,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:44,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:44,152 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:04:44,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:04:44,172 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:44,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:44,188 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:44,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:44,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118100366] [2021-03-26 15:04:44,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:44,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:44,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514400886] [2021-03-26 15:04:44,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:44,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:44,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:44,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:44,191 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 15:04:44,191 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 537 transitions, 15390 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:44,191 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:44,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 15:04:44,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:44,772 INFO L129 PetriNetUnfolder]: 530/1271 cut-off events. [2021-03-26 15:04:44,773 INFO L130 PetriNetUnfolder]: For 65775/65781 co-relation queries the response was YES. [2021-03-26 15:04:44,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14896 conditions, 1271 events. 530/1271 cut-off events. For 65775/65781 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8830 event pairs, 6 based on Foata normal form. 7/1112 useless extension candidates. Maximal degree in co-relation 14676. Up to 719 conditions per place. [2021-03-26 15:04:44,791 INFO L132 encePairwiseOnDemand]: 108/124 looper letters, 458 selfloop transitions, 69 changer transitions 3/548 dead transitions. [2021-03-26 15:04:44,791 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 548 transitions, 16637 flow [2021-03-26 15:04:44,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:04:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:04:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 598 transitions. [2021-03-26 15:04:44,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43841642228739003 [2021-03-26 15:04:44,792 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 598 transitions. [2021-03-26 15:04:44,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 598 transitions. [2021-03-26 15:04:44,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:44,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 598 transitions. [2021-03-26 15:04:44,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.36363636363637) internal successors, (598), 11 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:44,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 124.0) internal successors, (1488), 12 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:44,793 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 124.0) internal successors, (1488), 12 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:44,793 INFO L185 Difference]: Start difference. First operand has 482 places, 537 transitions, 15390 flow. Second operand 11 states and 598 transitions. [2021-03-26 15:04:44,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 548 transitions, 16637 flow [2021-03-26 15:04:45,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 548 transitions, 16429 flow, removed 63 selfloop flow, removed 7 redundant places. [2021-03-26 15:04:45,242 INFO L241 Difference]: Finished difference. Result has 487 places, 536 transitions, 15356 flow [2021-03-26 15:04:45,242 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=15182, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15356, PETRI_PLACES=487, PETRI_TRANSITIONS=536} [2021-03-26 15:04:45,242 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 434 predicate places. [2021-03-26 15:04:45,242 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:45,242 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 487 places, 536 transitions, 15356 flow [2021-03-26 15:04:45,242 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 487 places, 536 transitions, 15356 flow [2021-03-26 15:04:45,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 487 places, 536 transitions, 15356 flow [2021-03-26 15:04:45,426 INFO L129 PetriNetUnfolder]: 466/1157 cut-off events. [2021-03-26 15:04:45,426 INFO L130 PetriNetUnfolder]: For 60559/60605 co-relation queries the response was YES. [2021-03-26 15:04:45,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13179 conditions, 1157 events. 466/1157 cut-off events. For 60559/60605 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8166 event pairs, 6 based on Foata normal form. 5/1005 useless extension candidates. Maximal degree in co-relation 12969. Up to 274 conditions per place. [2021-03-26 15:04:45,452 INFO L142 LiptonReduction]: Number of co-enabled transitions 1980 [2021-03-26 15:04:45,485 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:45,485 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:45,485 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 243 [2021-03-26 15:04:45,486 INFO L480 AbstractCegarLoop]: Abstraction has has 487 places, 536 transitions, 15356 flow [2021-03-26 15:04:45,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:45,486 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:45,486 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:45,486 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-03-26 15:04:45,486 INFO L428 AbstractCegarLoop]: === Iteration 159 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:45,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:45,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1942089970, now seen corresponding path program 6 times [2021-03-26 15:04:45,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:45,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630480918] [2021-03-26 15:04:45,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:45,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:45,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:45,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:45,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:45,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:45,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:45,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:45,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:45,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:45,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:45,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:45,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:45,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:45,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:45,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:45,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:45,557 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:45,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:45,570 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:45,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:45,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630480918] [2021-03-26 15:04:45,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:45,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:45,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296364356] [2021-03-26 15:04:45,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:45,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:45,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:45,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:45,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 124 [2021-03-26 15:04:45,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 536 transitions, 15356 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:45,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:45,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 124 [2021-03-26 15:04:45,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:46,128 INFO L129 PetriNetUnfolder]: 527/1256 cut-off events. [2021-03-26 15:04:46,129 INFO L130 PetriNetUnfolder]: For 66300/66313 co-relation queries the response was YES. [2021-03-26 15:04:46,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14973 conditions, 1256 events. 527/1256 cut-off events. For 66300/66313 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8582 event pairs, 20 based on Foata normal form. 14/1109 useless extension candidates. Maximal degree in co-relation 14752. Up to 724 conditions per place. [2021-03-26 15:04:46,150 INFO L132 encePairwiseOnDemand]: 106/124 looper letters, 468 selfloop transitions, 59 changer transitions 7/552 dead transitions. [2021-03-26 15:04:46,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 552 transitions, 16974 flow [2021-03-26 15:04:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 650 transitions. [2021-03-26 15:04:46,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4368279569892473 [2021-03-26 15:04:46,151 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 650 transitions. [2021-03-26 15:04:46,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 650 transitions. [2021-03-26 15:04:46,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:46,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 650 transitions. [2021-03-26 15:04:46,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.166666666666664) internal successors, (650), 12 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:46,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:46,152 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 124.0) internal successors, (1612), 13 states have internal predecessors, (1612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:46,152 INFO L185 Difference]: Start difference. First operand has 487 places, 536 transitions, 15356 flow. Second operand 12 states and 650 transitions. [2021-03-26 15:04:46,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 552 transitions, 16974 flow [2021-03-26 15:04:46,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 552 transitions, 16763 flow, removed 49 selfloop flow, removed 13 redundant places. [2021-03-26 15:04:46,629 INFO L241 Difference]: Finished difference. Result has 488 places, 536 transitions, 15541 flow [2021-03-26 15:04:46,629 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=15147, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=477, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15541, PETRI_PLACES=488, PETRI_TRANSITIONS=536} [2021-03-26 15:04:46,629 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 435 predicate places. [2021-03-26 15:04:46,629 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:46,629 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 488 places, 536 transitions, 15541 flow [2021-03-26 15:04:46,629 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 488 places, 536 transitions, 15541 flow [2021-03-26 15:04:46,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 536 transitions, 15541 flow [2021-03-26 15:04:46,811 INFO L129 PetriNetUnfolder]: 464/1137 cut-off events. [2021-03-26 15:04:46,811 INFO L130 PetriNetUnfolder]: For 61267/61316 co-relation queries the response was YES. [2021-03-26 15:04:46,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13184 conditions, 1137 events. 464/1137 cut-off events. For 61267/61316 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7912 event pairs, 9 based on Foata normal form. 7/990 useless extension candidates. Maximal degree in co-relation 12974. Up to 273 conditions per place. [2021-03-26 15:04:46,837 INFO L142 LiptonReduction]: Number of co-enabled transitions 1952 [2021-03-26 15:04:46,933 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:46,933 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:04:46,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 304 [2021-03-26 15:04:46,934 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 536 transitions, 15592 flow [2021-03-26 15:04:46,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:46,934 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:46,934 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:46,934 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-03-26 15:04:46,934 INFO L428 AbstractCegarLoop]: === Iteration 160 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:46,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:46,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1532226034, now seen corresponding path program 7 times [2021-03-26 15:04:46,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:46,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108205743] [2021-03-26 15:04:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:46,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:46,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:46,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:46,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:46,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:46,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:46,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:46,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:46,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:46,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:46,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:46,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:46,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:46,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:47,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:47,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:47,023 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:47,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:47,037 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:47,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:47,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108205743] [2021-03-26 15:04:47,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:47,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:47,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342005458] [2021-03-26 15:04:47,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:47,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:47,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:47,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:47,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 125 [2021-03-26 15:04:47,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 536 transitions, 15592 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:47,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:47,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 125 [2021-03-26 15:04:47,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:47,677 INFO L129 PetriNetUnfolder]: 525/1244 cut-off events. [2021-03-26 15:04:47,677 INFO L130 PetriNetUnfolder]: For 66914/66918 co-relation queries the response was YES. [2021-03-26 15:04:47,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14981 conditions, 1244 events. 525/1244 cut-off events. For 66914/66918 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8442 event pairs, 20 based on Foata normal form. 6/1092 useless extension candidates. Maximal degree in co-relation 14760. Up to 704 conditions per place. [2021-03-26 15:04:47,699 INFO L132 encePairwiseOnDemand]: 106/125 looper letters, 445 selfloop transitions, 85 changer transitions 5/553 dead transitions. [2021-03-26 15:04:47,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 553 transitions, 17108 flow [2021-03-26 15:04:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:04:47,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:04:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 15:04:47,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4326153846153846 [2021-03-26 15:04:47,700 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 15:04:47,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 15:04:47,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:47,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 15:04:47,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:47,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 125.0) internal successors, (1750), 14 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:47,702 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 125.0) internal successors, (1750), 14 states have internal predecessors, (1750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:47,702 INFO L185 Difference]: Start difference. First operand has 485 places, 536 transitions, 15592 flow. Second operand 13 states and 703 transitions. [2021-03-26 15:04:47,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 553 transitions, 17108 flow [2021-03-26 15:04:48,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 553 transitions, 16941 flow, removed 20 selfloop flow, removed 10 redundant places. [2021-03-26 15:04:48,206 INFO L241 Difference]: Finished difference. Result has 491 places, 538 transitions, 15862 flow [2021-03-26 15:04:48,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=15431, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15862, PETRI_PLACES=491, PETRI_TRANSITIONS=538} [2021-03-26 15:04:48,206 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 438 predicate places. [2021-03-26 15:04:48,206 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:48,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 538 transitions, 15862 flow [2021-03-26 15:04:48,206 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 538 transitions, 15862 flow [2021-03-26 15:04:48,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 538 transitions, 15862 flow [2021-03-26 15:04:48,394 INFO L129 PetriNetUnfolder]: 460/1126 cut-off events. [2021-03-26 15:04:48,394 INFO L130 PetriNetUnfolder]: For 63430/63478 co-relation queries the response was YES. [2021-03-26 15:04:48,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13257 conditions, 1126 events. 460/1126 cut-off events. For 63430/63478 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7827 event pairs, 3 based on Foata normal form. 6/981 useless extension candidates. Maximal degree in co-relation 13045. Up to 272 conditions per place. [2021-03-26 15:04:48,421 INFO L142 LiptonReduction]: Number of co-enabled transitions 1950 [2021-03-26 15:04:48,454 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:48,454 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:48,454 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 248 [2021-03-26 15:04:48,455 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 538 transitions, 15862 flow [2021-03-26 15:04:48,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:48,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:48,455 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:48,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-03-26 15:04:48,455 INFO L428 AbstractCegarLoop]: === Iteration 161 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:48,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:48,455 INFO L82 PathProgramCache]: Analyzing trace with hash -2086041410, now seen corresponding path program 8 times [2021-03-26 15:04:48,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:48,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910580367] [2021-03-26 15:04:48,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:48,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:48,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:48,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:48,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:48,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:48,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:48,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:48,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:48,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:48,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:48,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:48,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:48,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:48,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:48,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:04:48,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:04:48,539 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:48,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:48,553 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:48,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:48,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910580367] [2021-03-26 15:04:48,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:48,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:48,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484249269] [2021-03-26 15:04:48,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:48,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:48,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:48,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:48,557 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 125 [2021-03-26 15:04:48,557 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 538 transitions, 15862 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:48,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:48,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 125 [2021-03-26 15:04:48,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:49,137 INFO L129 PetriNetUnfolder]: 524/1239 cut-off events. [2021-03-26 15:04:49,137 INFO L130 PetriNetUnfolder]: For 66227/66242 co-relation queries the response was YES. [2021-03-26 15:04:49,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15041 conditions, 1239 events. 524/1239 cut-off events. For 66227/66242 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8476 event pairs, 7 based on Foata normal form. 16/1099 useless extension candidates. Maximal degree in co-relation 14818. Up to 699 conditions per place. [2021-03-26 15:04:49,158 INFO L132 encePairwiseOnDemand]: 108/125 looper letters, 439 selfloop transitions, 85 changer transitions 13/555 dead transitions. [2021-03-26 15:04:49,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 555 transitions, 17280 flow [2021-03-26 15:04:49,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 650 transitions. [2021-03-26 15:04:49,159 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43333333333333335 [2021-03-26 15:04:49,159 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 650 transitions. [2021-03-26 15:04:49,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 650 transitions. [2021-03-26 15:04:49,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:49,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 650 transitions. [2021-03-26 15:04:49,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.166666666666664) internal successors, (650), 12 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:49,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 125.0) internal successors, (1625), 13 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:49,160 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 125.0) internal successors, (1625), 13 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:49,161 INFO L185 Difference]: Start difference. First operand has 490 places, 538 transitions, 15862 flow. Second operand 12 states and 650 transitions. [2021-03-26 15:04:49,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 555 transitions, 17280 flow [2021-03-26 15:04:49,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 555 transitions, 17023 flow, removed 90 selfloop flow, removed 9 redundant places. [2021-03-26 15:04:49,616 INFO L241 Difference]: Finished difference. Result has 495 places, 533 transitions, 15735 flow [2021-03-26 15:04:49,616 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=15605, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15735, PETRI_PLACES=495, PETRI_TRANSITIONS=533} [2021-03-26 15:04:49,616 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 442 predicate places. [2021-03-26 15:04:49,616 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:49,616 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 533 transitions, 15735 flow [2021-03-26 15:04:49,616 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 533 transitions, 15735 flow [2021-03-26 15:04:49,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 533 transitions, 15735 flow [2021-03-26 15:04:49,807 INFO L129 PetriNetUnfolder]: 475/1147 cut-off events. [2021-03-26 15:04:49,807 INFO L130 PetriNetUnfolder]: For 61914/61929 co-relation queries the response was YES. [2021-03-26 15:04:49,820 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13456 conditions, 1147 events. 475/1147 cut-off events. For 61914/61929 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7917 event pairs, 4 based on Foata normal form. 2/995 useless extension candidates. Maximal degree in co-relation 13242. Up to 274 conditions per place. [2021-03-26 15:04:49,834 INFO L142 LiptonReduction]: Number of co-enabled transitions 1970 [2021-03-26 15:04:49,928 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-26 15:04:49,928 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:04:49,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 312 [2021-03-26 15:04:49,929 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 533 transitions, 15743 flow [2021-03-26 15:04:49,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:49,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:49,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:49,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-03-26 15:04:49,929 INFO L428 AbstractCegarLoop]: === Iteration 162 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:49,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:49,929 INFO L82 PathProgramCache]: Analyzing trace with hash 961012712, now seen corresponding path program 9 times [2021-03-26 15:04:49,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:49,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415783043] [2021-03-26 15:04:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:49,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:49,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:49,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:49,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:49,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:49,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:49,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:49,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:49,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:49,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:49,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:49,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:49,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:49,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:49,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:49,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:50,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:50,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:50,023 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:50,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:50,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:50,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415783043] [2021-03-26 15:04:50,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:50,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:50,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775799808] [2021-03-26 15:04:50,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:50,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:50,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:50,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:50,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2021-03-26 15:04:50,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 533 transitions, 15743 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:50,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:50,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2021-03-26 15:04:50,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:50,668 INFO L129 PetriNetUnfolder]: 522/1225 cut-off events. [2021-03-26 15:04:50,668 INFO L130 PetriNetUnfolder]: For 65145/65158 co-relation queries the response was YES. [2021-03-26 15:04:50,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15188 conditions, 1225 events. 522/1225 cut-off events. For 65145/65158 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8235 event pairs, 11 based on Foata normal form. 14/1089 useless extension candidates. Maximal degree in co-relation 14963. Up to 738 conditions per place. [2021-03-26 15:04:50,689 INFO L132 encePairwiseOnDemand]: 109/126 looper letters, 475 selfloop transitions, 68 changer transitions 0/561 dead transitions. [2021-03-26 15:04:50,689 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 561 transitions, 17656 flow [2021-03-26 15:04:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:04:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:04:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 749 transitions. [2021-03-26 15:04:50,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4246031746031746 [2021-03-26 15:04:50,690 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 749 transitions. [2021-03-26 15:04:50,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 749 transitions. [2021-03-26 15:04:50,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:50,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 749 transitions. [2021-03-26 15:04:50,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.5) internal successors, (749), 14 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:50,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:50,692 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:50,692 INFO L185 Difference]: Start difference. First operand has 493 places, 533 transitions, 15743 flow. Second operand 14 states and 749 transitions. [2021-03-26 15:04:50,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 561 transitions, 17656 flow [2021-03-26 15:04:51,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 561 transitions, 17413 flow, removed 41 selfloop flow, removed 10 redundant places. [2021-03-26 15:04:51,200 INFO L241 Difference]: Finished difference. Result has 502 places, 553 transitions, 16480 flow [2021-03-26 15:04:51,201 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=15500, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16480, PETRI_PLACES=502, PETRI_TRANSITIONS=553} [2021-03-26 15:04:51,201 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 449 predicate places. [2021-03-26 15:04:51,201 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:51,201 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 502 places, 553 transitions, 16480 flow [2021-03-26 15:04:51,201 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 502 places, 553 transitions, 16480 flow [2021-03-26 15:04:51,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 502 places, 553 transitions, 16480 flow [2021-03-26 15:04:51,395 INFO L129 PetriNetUnfolder]: 469/1145 cut-off events. [2021-03-26 15:04:51,395 INFO L130 PetriNetUnfolder]: For 64086/64135 co-relation queries the response was YES. [2021-03-26 15:04:51,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13501 conditions, 1145 events. 469/1145 cut-off events. For 64086/64135 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 7996 event pairs, 2 based on Foata normal form. 7/997 useless extension candidates. Maximal degree in co-relation 13282. Up to 280 conditions per place. [2021-03-26 15:04:51,422 INFO L142 LiptonReduction]: Number of co-enabled transitions 2004 [2021-03-26 15:04:51,458 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:51,458 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:51,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-03-26 15:04:51,458 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 553 transitions, 16480 flow [2021-03-26 15:04:51,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:51,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:51,458 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:51,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-03-26 15:04:51,458 INFO L428 AbstractCegarLoop]: === Iteration 163 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:51,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:51,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1510245879, now seen corresponding path program 1 times [2021-03-26 15:04:51,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:51,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534909955] [2021-03-26 15:04:51,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:51,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:51,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:51,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:51,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:51,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:51,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:51,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:51,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:51,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:51,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:51,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:51,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:51,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:51,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:51,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:51,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:51,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:51,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:51,540 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:51,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:51,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534909955] [2021-03-26 15:04:51,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:51,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:04:51,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701071260] [2021-03-26 15:04:51,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:04:51,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:51,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:04:51,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:04:51,543 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2021-03-26 15:04:51,543 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 553 transitions, 16480 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:51,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:51,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2021-03-26 15:04:51,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:52,117 INFO L129 PetriNetUnfolder]: 529/1251 cut-off events. [2021-03-26 15:04:52,117 INFO L130 PetriNetUnfolder]: For 67670/67674 co-relation queries the response was YES. [2021-03-26 15:04:52,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15438 conditions, 1251 events. 529/1251 cut-off events. For 67670/67674 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8509 event pairs, 21 based on Foata normal form. 5/1097 useless extension candidates. Maximal degree in co-relation 15208. Up to 692 conditions per place. [2021-03-26 15:04:52,139 INFO L132 encePairwiseOnDemand]: 108/126 looper letters, 434 selfloop transitions, 101 changer transitions 13/566 dead transitions. [2021-03-26 15:04:52,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 566 transitions, 17968 flow [2021-03-26 15:04:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:04:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:04:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 557 transitions. [2021-03-26 15:04:52,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44206349206349205 [2021-03-26 15:04:52,140 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 557 transitions. [2021-03-26 15:04:52,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 557 transitions. [2021-03-26 15:04:52,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:52,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 557 transitions. [2021-03-26 15:04:52,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 55.7) internal successors, (557), 10 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:52,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 126.0) internal successors, (1386), 11 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:52,141 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 126.0) internal successors, (1386), 11 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:52,141 INFO L185 Difference]: Start difference. First operand has 502 places, 553 transitions, 16480 flow. Second operand 10 states and 557 transitions. [2021-03-26 15:04:52,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 566 transitions, 17968 flow [2021-03-26 15:04:52,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 566 transitions, 17439 flow, removed 239 selfloop flow, removed 6 redundant places. [2021-03-26 15:04:52,608 INFO L241 Difference]: Finished difference. Result has 510 places, 546 transitions, 16194 flow [2021-03-26 15:04:52,608 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=15959, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=16194, PETRI_PLACES=510, PETRI_TRANSITIONS=546} [2021-03-26 15:04:52,608 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 457 predicate places. [2021-03-26 15:04:52,608 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:52,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 510 places, 546 transitions, 16194 flow [2021-03-26 15:04:52,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 510 places, 546 transitions, 16194 flow [2021-03-26 15:04:52,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 507 places, 546 transitions, 16194 flow [2021-03-26 15:04:52,805 INFO L129 PetriNetUnfolder]: 480/1162 cut-off events. [2021-03-26 15:04:52,805 INFO L130 PetriNetUnfolder]: For 63756/63759 co-relation queries the response was YES. [2021-03-26 15:04:52,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13865 conditions, 1162 events. 480/1162 cut-off events. For 63756/63759 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 7983 event pairs, 6 based on Foata normal form. 1/1012 useless extension candidates. Maximal degree in co-relation 13657. Up to 267 conditions per place. [2021-03-26 15:04:52,833 INFO L142 LiptonReduction]: Number of co-enabled transitions 1922 [2021-03-26 15:04:52,867 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:52,867 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:52,867 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 259 [2021-03-26 15:04:52,867 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 546 transitions, 16194 flow [2021-03-26 15:04:52,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:52,867 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:52,867 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:52,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-03-26 15:04:52,867 INFO L428 AbstractCegarLoop]: === Iteration 164 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:52,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:52,868 INFO L82 PathProgramCache]: Analyzing trace with hash 855217092, now seen corresponding path program 10 times [2021-03-26 15:04:52,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:52,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642918991] [2021-03-26 15:04:52,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:52,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:52,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:52,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:52,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:52,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:52,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:52,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:52,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:52,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:52,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:52,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:52,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:52,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:52,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:52,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:52,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:52,948 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:52,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:52,962 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:52,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:52,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642918991] [2021-03-26 15:04:52,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:52,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:52,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006786489] [2021-03-26 15:04:52,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:52,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:52,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:52,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:52,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2021-03-26 15:04:52,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 546 transitions, 16194 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:52,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:52,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2021-03-26 15:04:52,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:53,575 INFO L129 PetriNetUnfolder]: 525/1241 cut-off events. [2021-03-26 15:04:53,575 INFO L130 PetriNetUnfolder]: For 66923/66927 co-relation queries the response was YES. [2021-03-26 15:04:53,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15250 conditions, 1241 events. 525/1241 cut-off events. For 66923/66927 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8416 event pairs, 21 based on Foata normal form. 5/1090 useless extension candidates. Maximal degree in co-relation 15040. Up to 712 conditions per place. [2021-03-26 15:04:53,598 INFO L132 encePairwiseOnDemand]: 107/126 looper letters, 454 selfloop transitions, 87 changer transitions 0/559 dead transitions. [2021-03-26 15:04:53,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 559 transitions, 17538 flow [2021-03-26 15:04:53,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:04:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:04:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 751 transitions. [2021-03-26 15:04:53,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4257369614512472 [2021-03-26 15:04:53,599 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 751 transitions. [2021-03-26 15:04:53,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 751 transitions. [2021-03-26 15:04:53,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:53,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 751 transitions. [2021-03-26 15:04:53,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.642857142857146) internal successors, (751), 14 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:53,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:53,601 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:53,601 INFO L185 Difference]: Start difference. First operand has 507 places, 546 transitions, 16194 flow. Second operand 14 states and 751 transitions. [2021-03-26 15:04:53,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 559 transitions, 17538 flow [2021-03-26 15:04:54,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 559 transitions, 17123 flow, removed 8 selfloop flow, removed 18 redundant places. [2021-03-26 15:04:54,118 INFO L241 Difference]: Finished difference. Result has 506 places, 551 transitions, 16242 flow [2021-03-26 15:04:54,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=15784, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16242, PETRI_PLACES=506, PETRI_TRANSITIONS=551} [2021-03-26 15:04:54,119 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 453 predicate places. [2021-03-26 15:04:54,119 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:54,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 506 places, 551 transitions, 16242 flow [2021-03-26 15:04:54,119 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 506 places, 551 transitions, 16242 flow [2021-03-26 15:04:54,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 506 places, 551 transitions, 16242 flow [2021-03-26 15:04:54,316 INFO L129 PetriNetUnfolder]: 477/1172 cut-off events. [2021-03-26 15:04:54,316 INFO L130 PetriNetUnfolder]: For 62063/62112 co-relation queries the response was YES. [2021-03-26 15:04:54,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13505 conditions, 1172 events. 477/1172 cut-off events. For 62063/62112 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8246 event pairs, 5 based on Foata normal form. 5/1014 useless extension candidates. Maximal degree in co-relation 13254. Up to 266 conditions per place. [2021-03-26 15:04:54,347 INFO L142 LiptonReduction]: Number of co-enabled transitions 1962 [2021-03-26 15:04:54,381 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:54,381 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:54,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 262 [2021-03-26 15:04:54,381 INFO L480 AbstractCegarLoop]: Abstraction has has 506 places, 551 transitions, 16242 flow [2021-03-26 15:04:54,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:54,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:54,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:54,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-03-26 15:04:54,382 INFO L428 AbstractCegarLoop]: === Iteration 165 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:54,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:54,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1065798464, now seen corresponding path program 11 times [2021-03-26 15:04:54,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:54,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489030742] [2021-03-26 15:04:54,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:54,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:54,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:54,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:54,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:54,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:54,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:54,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:54,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:54,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:54,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:54,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:54,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:54,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:54,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:54,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:54,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:54,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:54,481 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:54,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:54,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489030742] [2021-03-26 15:04:54,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:54,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:54,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377607188] [2021-03-26 15:04:54,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:54,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:54,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:54,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:54,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2021-03-26 15:04:54,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 506 places, 551 transitions, 16242 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:54,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:54,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2021-03-26 15:04:54,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:55,161 INFO L129 PetriNetUnfolder]: 540/1307 cut-off events. [2021-03-26 15:04:55,161 INFO L130 PetriNetUnfolder]: For 67794/67798 co-relation queries the response was YES. [2021-03-26 15:04:55,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15354 conditions, 1307 events. 540/1307 cut-off events. For 67794/67798 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9169 event pairs, 21 based on Foata normal form. 5/1139 useless extension candidates. Maximal degree in co-relation 15111. Up to 693 conditions per place. [2021-03-26 15:04:55,183 INFO L132 encePairwiseOnDemand]: 107/126 looper letters, 429 selfloop transitions, 126 changer transitions 0/573 dead transitions. [2021-03-26 15:04:55,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 573 transitions, 17831 flow [2021-03-26 15:04:55,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:04:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:04:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 806 transitions. [2021-03-26 15:04:55,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4264550264550265 [2021-03-26 15:04:55,184 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 806 transitions. [2021-03-26 15:04:55,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 806 transitions. [2021-03-26 15:04:55,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:55,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 806 transitions. [2021-03-26 15:04:55,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.733333333333334) internal successors, (806), 15 states have internal predecessors, (806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:55,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:55,186 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 126.0) internal successors, (2016), 16 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:55,186 INFO L185 Difference]: Start difference. First operand has 506 places, 551 transitions, 16242 flow. Second operand 15 states and 806 transitions. [2021-03-26 15:04:55,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 573 transitions, 17831 flow [2021-03-26 15:04:55,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 573 transitions, 17505 flow, removed 113 selfloop flow, removed 8 redundant places. [2021-03-26 15:04:55,683 INFO L241 Difference]: Finished difference. Result has 516 places, 562 transitions, 16682 flow [2021-03-26 15:04:55,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=16009, PETRI_DIFFERENCE_MINUEND_PLACES=498, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16682, PETRI_PLACES=516, PETRI_TRANSITIONS=562} [2021-03-26 15:04:55,683 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 463 predicate places. [2021-03-26 15:04:55,683 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:55,683 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 516 places, 562 transitions, 16682 flow [2021-03-26 15:04:55,683 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 516 places, 562 transitions, 16682 flow [2021-03-26 15:04:55,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 562 transitions, 16682 flow [2021-03-26 15:04:55,891 INFO L129 PetriNetUnfolder]: 484/1217 cut-off events. [2021-03-26 15:04:55,891 INFO L130 PetriNetUnfolder]: For 62655/62703 co-relation queries the response was YES. [2021-03-26 15:04:55,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13794 conditions, 1217 events. 484/1217 cut-off events. For 62655/62703 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8800 event pairs, 6 based on Foata normal form. 6/1051 useless extension candidates. Maximal degree in co-relation 13550. Up to 266 conditions per place. [2021-03-26 15:04:55,921 INFO L142 LiptonReduction]: Number of co-enabled transitions 2060 [2021-03-26 15:04:55,957 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:55,957 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:55,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 275 [2021-03-26 15:04:55,958 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 562 transitions, 16682 flow [2021-03-26 15:04:55,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:55,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:55,958 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:55,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-03-26 15:04:55,958 INFO L428 AbstractCegarLoop]: === Iteration 166 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:55,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:55,958 INFO L82 PathProgramCache]: Analyzing trace with hash -522070106, now seen corresponding path program 12 times [2021-03-26 15:04:55,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:55,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279811779] [2021-03-26 15:04:55,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:55,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:55,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:55,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:55,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:55,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:55,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:55,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:55,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:55,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:55,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:56,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:56,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:56,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:56,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:56,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:56,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:56,037 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:56,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:56,051 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:56,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:56,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279811779] [2021-03-26 15:04:56,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:56,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:56,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889317637] [2021-03-26 15:04:56,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:56,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:56,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:56,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:56,054 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 126 [2021-03-26 15:04:56,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 562 transitions, 16682 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:56,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:56,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 126 [2021-03-26 15:04:56,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:56,686 INFO L129 PetriNetUnfolder]: 539/1310 cut-off events. [2021-03-26 15:04:56,686 INFO L130 PetriNetUnfolder]: For 66917/66921 co-relation queries the response was YES. [2021-03-26 15:04:56,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15485 conditions, 1310 events. 539/1310 cut-off events. For 66917/66921 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9198 event pairs, 21 based on Foata normal form. 5/1142 useless extension candidates. Maximal degree in co-relation 15224. Up to 750 conditions per place. [2021-03-26 15:04:56,710 INFO L132 encePairwiseOnDemand]: 108/126 looper letters, 498 selfloop transitions, 55 changer transitions 0/571 dead transitions. [2021-03-26 15:04:56,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 571 transitions, 17975 flow [2021-03-26 15:04:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:04:56,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:04:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 740 transitions. [2021-03-26 15:04:56,711 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41950113378684806 [2021-03-26 15:04:56,711 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 740 transitions. [2021-03-26 15:04:56,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 740 transitions. [2021-03-26 15:04:56,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:56,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 740 transitions. [2021-03-26 15:04:56,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.857142857142854) internal successors, (740), 14 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:56,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:56,713 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 126.0) internal successors, (1890), 15 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:56,713 INFO L185 Difference]: Start difference. First operand has 516 places, 562 transitions, 16682 flow. Second operand 14 states and 740 transitions. [2021-03-26 15:04:56,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 571 transitions, 17975 flow [2021-03-26 15:04:57,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 571 transitions, 17649 flow, removed 60 selfloop flow, removed 13 redundant places. [2021-03-26 15:04:57,263 INFO L241 Difference]: Finished difference. Result has 520 places, 565 transitions, 16644 flow [2021-03-26 15:04:57,263 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=126, PETRI_DIFFERENCE_MINUEND_FLOW=16356, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16644, PETRI_PLACES=520, PETRI_TRANSITIONS=565} [2021-03-26 15:04:57,263 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 467 predicate places. [2021-03-26 15:04:57,263 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:57,263 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 520 places, 565 transitions, 16644 flow [2021-03-26 15:04:57,263 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 520 places, 565 transitions, 16644 flow [2021-03-26 15:04:57,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 520 places, 565 transitions, 16644 flow [2021-03-26 15:04:57,474 INFO L129 PetriNetUnfolder]: 484/1224 cut-off events. [2021-03-26 15:04:57,474 INFO L130 PetriNetUnfolder]: For 63128/63175 co-relation queries the response was YES. [2021-03-26 15:04:57,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13613 conditions, 1224 events. 484/1224 cut-off events. For 63128/63175 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8892 event pairs, 7 based on Foata normal form. 6/1056 useless extension candidates. Maximal degree in co-relation 13371. Up to 265 conditions per place. [2021-03-26 15:04:57,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 2090 [2021-03-26 15:04:57,624 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:57,624 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:04:57,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 361 [2021-03-26 15:04:57,624 INFO L480 AbstractCegarLoop]: Abstraction has has 520 places, 565 transitions, 16646 flow [2021-03-26 15:04:57,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:57,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:57,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:57,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-03-26 15:04:57,625 INFO L428 AbstractCegarLoop]: === Iteration 167 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:57,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:57,625 INFO L82 PathProgramCache]: Analyzing trace with hash -114070644, now seen corresponding path program 13 times [2021-03-26 15:04:57,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:57,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54185841] [2021-03-26 15:04:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:04:57,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:57,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:57,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:57,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:57,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:57,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:04:57,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:57,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:57,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:57,720 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:57,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:57,736 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:04:57,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:57,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54185841] [2021-03-26 15:04:57,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:57,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:57,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266442336] [2021-03-26 15:04:57,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:57,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:57,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:57,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:57,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 127 [2021-03-26 15:04:57,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 565 transitions, 16646 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:57,739 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:57,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 127 [2021-03-26 15:04:57,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:58,414 INFO L129 PetriNetUnfolder]: 553/1357 cut-off events. [2021-03-26 15:04:58,415 INFO L130 PetriNetUnfolder]: For 67596/67609 co-relation queries the response was YES. [2021-03-26 15:04:58,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15480 conditions, 1357 events. 553/1357 cut-off events. For 67596/67609 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9696 event pairs, 11 based on Foata normal form. 14/1184 useless extension candidates. Maximal degree in co-relation 15226. Up to 759 conditions per place. [2021-03-26 15:04:58,439 INFO L132 encePairwiseOnDemand]: 109/127 looper letters, 501 selfloop transitions, 54 changer transitions 6/579 dead transitions. [2021-03-26 15:04:58,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 579 transitions, 17967 flow [2021-03-26 15:04:58,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:04:58,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:04:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 743 transitions. [2021-03-26 15:04:58,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4178852643419573 [2021-03-26 15:04:58,440 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 743 transitions. [2021-03-26 15:04:58,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 743 transitions. [2021-03-26 15:04:58,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:58,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 743 transitions. [2021-03-26 15:04:58,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.07142857142857) internal successors, (743), 14 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:58,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 127.0) internal successors, (1905), 15 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:58,442 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 127.0) internal successors, (1905), 15 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:58,442 INFO L185 Difference]: Start difference. First operand has 520 places, 565 transitions, 16646 flow. Second operand 14 states and 743 transitions. [2021-03-26 15:04:58,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 579 transitions, 17967 flow [2021-03-26 15:04:58,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 579 transitions, 17415 flow, removed 163 selfloop flow, removed 11 redundant places. [2021-03-26 15:04:58,953 INFO L241 Difference]: Finished difference. Result has 525 places, 565 transitions, 16130 flow [2021-03-26 15:04:58,954 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=16094, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16130, PETRI_PLACES=525, PETRI_TRANSITIONS=565} [2021-03-26 15:04:58,954 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 472 predicate places. [2021-03-26 15:04:58,954 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:04:58,954 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 525 places, 565 transitions, 16130 flow [2021-03-26 15:04:58,954 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 525 places, 565 transitions, 16130 flow [2021-03-26 15:04:58,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 525 places, 565 transitions, 16130 flow [2021-03-26 15:04:59,165 INFO L129 PetriNetUnfolder]: 487/1237 cut-off events. [2021-03-26 15:04:59,165 INFO L130 PetriNetUnfolder]: For 63226/63272 co-relation queries the response was YES. [2021-03-26 15:04:59,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13484 conditions, 1237 events. 487/1237 cut-off events. For 63226/63272 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9069 event pairs, 7 based on Foata normal form. 5/1065 useless extension candidates. Maximal degree in co-relation 13255. Up to 258 conditions per place. [2021-03-26 15:04:59,196 INFO L142 LiptonReduction]: Number of co-enabled transitions 2124 [2021-03-26 15:04:59,232 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:04:59,232 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:04:59,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 278 [2021-03-26 15:04:59,233 INFO L480 AbstractCegarLoop]: Abstraction has has 525 places, 565 transitions, 16130 flow [2021-03-26 15:04:59,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:59,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:04:59,233 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:04:59,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-03-26 15:04:59,233 INFO L428 AbstractCegarLoop]: === Iteration 168 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:04:59,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:04:59,233 INFO L82 PathProgramCache]: Analyzing trace with hash 863155989, now seen corresponding path program 1 times [2021-03-26 15:04:59,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:04:59,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202637929] [2021-03-26 15:04:59,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:04:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:04:59,249 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 15:04:59,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:04:59,260 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:04:59,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:04:59,266 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:04:59,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:59,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:59,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:04:59,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:59,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:04:59,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:59,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:04:59,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:04:59,315 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:04:59,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:04:59,329 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:04:59,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:04:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:04:59,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202637929] [2021-03-26 15:04:59,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:04:59,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:04:59,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040631124] [2021-03-26 15:04:59,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:04:59,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:04:59,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:04:59,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:04:59,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 127 [2021-03-26 15:04:59,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 565 transitions, 16130 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:59,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:04:59,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 127 [2021-03-26 15:04:59,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:04:59,957 INFO L129 PetriNetUnfolder]: 551/1359 cut-off events. [2021-03-26 15:04:59,957 INFO L130 PetriNetUnfolder]: For 66683/66687 co-relation queries the response was YES. [2021-03-26 15:04:59,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15178 conditions, 1359 events. 551/1359 cut-off events. For 66683/66687 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9800 event pairs, 21 based on Foata normal form. 5/1175 useless extension candidates. Maximal degree in co-relation 14938. Up to 759 conditions per place. [2021-03-26 15:04:59,980 INFO L132 encePairwiseOnDemand]: 109/127 looper letters, 509 selfloop transitions, 44 changer transitions 2/573 dead transitions. [2021-03-26 15:04:59,980 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 573 transitions, 17385 flow [2021-03-26 15:04:59,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:04:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:04:59,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 638 transitions. [2021-03-26 15:04:59,981 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41863517060367456 [2021-03-26 15:04:59,981 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 638 transitions. [2021-03-26 15:04:59,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 638 transitions. [2021-03-26 15:04:59,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:04:59,981 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 638 transitions. [2021-03-26 15:04:59,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.166666666666664) internal successors, (638), 12 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:59,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 127.0) internal successors, (1651), 13 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:59,983 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 127.0) internal successors, (1651), 13 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:04:59,983 INFO L185 Difference]: Start difference. First operand has 525 places, 565 transitions, 16130 flow. Second operand 12 states and 638 transitions. [2021-03-26 15:04:59,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 573 transitions, 17385 flow [2021-03-26 15:05:00,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 573 transitions, 17139 flow, removed 45 selfloop flow, removed 11 redundant places. [2021-03-26 15:05:00,488 INFO L241 Difference]: Finished difference. Result has 527 places, 564 transitions, 15941 flow [2021-03-26 15:05:00,489 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=15884, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=521, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15941, PETRI_PLACES=527, PETRI_TRANSITIONS=564} [2021-03-26 15:05:00,489 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 474 predicate places. [2021-03-26 15:05:00,489 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:00,489 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 527 places, 564 transitions, 15941 flow [2021-03-26 15:05:00,489 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 527 places, 564 transitions, 15941 flow [2021-03-26 15:05:00,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 527 places, 564 transitions, 15941 flow [2021-03-26 15:05:00,714 INFO L129 PetriNetUnfolder]: 501/1275 cut-off events. [2021-03-26 15:05:00,714 INFO L130 PetriNetUnfolder]: For 63679/63685 co-relation queries the response was YES. [2021-03-26 15:05:00,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13625 conditions, 1275 events. 501/1275 cut-off events. For 63679/63685 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9434 event pairs, 8 based on Foata normal form. 4/1096 useless extension candidates. Maximal degree in co-relation 13394. Up to 259 conditions per place. [2021-03-26 15:05:00,745 INFO L142 LiptonReduction]: Number of co-enabled transitions 2124 [2021-03-26 15:05:00,781 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:00,781 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:00,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 292 [2021-03-26 15:05:00,781 INFO L480 AbstractCegarLoop]: Abstraction has has 527 places, 564 transitions, 15941 flow [2021-03-26 15:05:00,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:00,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:00,781 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:00,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-03-26 15:05:00,781 INFO L428 AbstractCegarLoop]: === Iteration 169 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:00,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:00,782 INFO L82 PathProgramCache]: Analyzing trace with hash -916203521, now seen corresponding path program 2 times [2021-03-26 15:05:00,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:00,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837119874] [2021-03-26 15:05:00,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:00,793 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 15:05:00,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:05:00,804 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:05:00,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:00,813 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:05:00,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:00,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:00,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:00,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:00,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:00,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:00,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:00,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:00,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:00,862 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:00,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:00,875 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:00,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:00,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837119874] [2021-03-26 15:05:00,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:00,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:00,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83780073] [2021-03-26 15:05:00,890 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:00,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:00,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:00,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:00,891 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 127 [2021-03-26 15:05:00,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 564 transitions, 15941 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:00,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:00,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 127 [2021-03-26 15:05:00,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:01,432 INFO L129 PetriNetUnfolder]: 542/1337 cut-off events. [2021-03-26 15:05:01,432 INFO L130 PetriNetUnfolder]: For 65545/65549 co-relation queries the response was YES. [2021-03-26 15:05:01,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15063 conditions, 1337 events. 542/1337 cut-off events. For 65545/65549 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9518 event pairs, 21 based on Foata normal form. 5/1161 useless extension candidates. Maximal degree in co-relation 14797. Up to 761 conditions per place. [2021-03-26 15:05:01,455 INFO L132 encePairwiseOnDemand]: 110/127 looper letters, 511 selfloop transitions, 36 changer transitions 5/570 dead transitions. [2021-03-26 15:05:01,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 570 transitions, 17096 flow [2021-03-26 15:05:01,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:01,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 632 transitions. [2021-03-26 15:05:01,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4146981627296588 [2021-03-26 15:05:01,456 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 632 transitions. [2021-03-26 15:05:01,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 632 transitions. [2021-03-26 15:05:01,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:01,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 632 transitions. [2021-03-26 15:05:01,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.666666666666664) internal successors, (632), 12 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:01,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 127.0) internal successors, (1651), 13 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:01,458 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 127.0) internal successors, (1651), 13 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:01,458 INFO L185 Difference]: Start difference. First operand has 527 places, 564 transitions, 15941 flow. Second operand 12 states and 632 transitions. [2021-03-26 15:05:01,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 570 transitions, 17096 flow [2021-03-26 15:05:01,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 570 transitions, 16990 flow, removed 1 selfloop flow, removed 12 redundant places. [2021-03-26 15:05:01,893 INFO L241 Difference]: Finished difference. Result has 528 places, 560 transitions, 15852 flow [2021-03-26 15:05:01,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=15835, PETRI_DIFFERENCE_MINUEND_PLACES=515, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=15852, PETRI_PLACES=528, PETRI_TRANSITIONS=560} [2021-03-26 15:05:01,893 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 475 predicate places. [2021-03-26 15:05:01,893 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:01,893 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 528 places, 560 transitions, 15852 flow [2021-03-26 15:05:01,893 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 528 places, 560 transitions, 15852 flow [2021-03-26 15:05:01,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 527 places, 560 transitions, 15852 flow [2021-03-26 15:05:02,106 INFO L129 PetriNetUnfolder]: 485/1235 cut-off events. [2021-03-26 15:05:02,106 INFO L130 PetriNetUnfolder]: For 61644/61692 co-relation queries the response was YES. [2021-03-26 15:05:02,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13384 conditions, 1235 events. 485/1235 cut-off events. For 61644/61692 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9064 event pairs, 7 based on Foata normal form. 6/1063 useless extension candidates. Maximal degree in co-relation 13152. Up to 256 conditions per place. [2021-03-26 15:05:02,137 INFO L142 LiptonReduction]: Number of co-enabled transitions 2090 [2021-03-26 15:05:02,172 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:02,172 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:02,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 279 [2021-03-26 15:05:02,172 INFO L480 AbstractCegarLoop]: Abstraction has has 527 places, 560 transitions, 15852 flow [2021-03-26 15:05:02,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:02,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:02,172 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:02,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-03-26 15:05:02,172 INFO L428 AbstractCegarLoop]: === Iteration 170 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:02,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:02,173 INFO L82 PathProgramCache]: Analyzing trace with hash -601020327, now seen corresponding path program 3 times [2021-03-26 15:05:02,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:02,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451563686] [2021-03-26 15:05:02,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:02,182 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 15:05:02,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:05:02,192 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:05:02,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:02,199 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:05:02,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:02,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:02,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:02,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:02,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:02,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:02,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:02,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:02,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:02,248 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:02,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:02,261 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:02,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:02,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451563686] [2021-03-26 15:05:02,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:02,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:02,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026257794] [2021-03-26 15:05:02,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:02,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:02,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:02,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:02,295 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 127 [2021-03-26 15:05:02,295 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 560 transitions, 15852 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:02,295 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:02,295 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 127 [2021-03-26 15:05:02,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:02,938 INFO L129 PetriNetUnfolder]: 541/1330 cut-off events. [2021-03-26 15:05:02,938 INFO L130 PetriNetUnfolder]: For 65549/65553 co-relation queries the response was YES. [2021-03-26 15:05:02,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15016 conditions, 1330 events. 541/1330 cut-off events. For 65549/65553 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9457 event pairs, 21 based on Foata normal form. 5/1154 useless extension candidates. Maximal degree in co-relation 14781. Up to 751 conditions per place. [2021-03-26 15:05:02,957 INFO L132 encePairwiseOnDemand]: 107/127 looper letters, 489 selfloop transitions, 55 changer transitions 5/567 dead transitions. [2021-03-26 15:05:02,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 567 transitions, 17039 flow [2021-03-26 15:05:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:05:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:05:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 692 transitions. [2021-03-26 15:05:02,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41913991520290733 [2021-03-26 15:05:02,959 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 692 transitions. [2021-03-26 15:05:02,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 692 transitions. [2021-03-26 15:05:02,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:02,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 692 transitions. [2021-03-26 15:05:02,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.23076923076923) internal successors, (692), 13 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:02,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:02,960 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 127.0) internal successors, (1778), 14 states have internal predecessors, (1778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:02,960 INFO L185 Difference]: Start difference. First operand has 527 places, 560 transitions, 15852 flow. Second operand 13 states and 692 transitions. [2021-03-26 15:05:02,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 567 transitions, 17039 flow [2021-03-26 15:05:03,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 567 transitions, 16942 flow, removed 6 selfloop flow, removed 11 redundant places. [2021-03-26 15:05:03,401 INFO L241 Difference]: Finished difference. Result has 530 places, 556 transitions, 15845 flow [2021-03-26 15:05:03,401 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=15755, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=505, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=15845, PETRI_PLACES=530, PETRI_TRANSITIONS=556} [2021-03-26 15:05:03,401 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 477 predicate places. [2021-03-26 15:05:03,401 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:03,402 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 556 transitions, 15845 flow [2021-03-26 15:05:03,402 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 556 transitions, 15845 flow [2021-03-26 15:05:03,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 556 transitions, 15845 flow [2021-03-26 15:05:03,634 INFO L129 PetriNetUnfolder]: 491/1248 cut-off events. [2021-03-26 15:05:03,635 INFO L130 PetriNetUnfolder]: For 60969/61017 co-relation queries the response was YES. [2021-03-26 15:05:03,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13379 conditions, 1248 events. 491/1248 cut-off events. For 60969/61017 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9161 event pairs, 4 based on Foata normal form. 6/1069 useless extension candidates. Maximal degree in co-relation 13148. Up to 256 conditions per place. [2021-03-26 15:05:03,665 INFO L142 LiptonReduction]: Number of co-enabled transitions 2068 [2021-03-26 15:05:03,863 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:05:03,863 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:05:03,864 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-03-26 15:05:03,864 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 556 transitions, 15862 flow [2021-03-26 15:05:03,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:03,864 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:03,864 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:03,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-03-26 15:05:03,864 INFO L428 AbstractCegarLoop]: === Iteration 171 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:03,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:03,864 INFO L82 PathProgramCache]: Analyzing trace with hash -446582809, now seen corresponding path program 4 times [2021-03-26 15:05:03,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:03,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310185546] [2021-03-26 15:05:03,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:03,872 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 15:05:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:05:03,881 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:05:03,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:03,887 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:05:03,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:03,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:03,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:03,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:03,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:03,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:03,923 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:05:03,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:05:03,935 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:03,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:03,947 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:03,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:03,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:03,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310185546] [2021-03-26 15:05:03,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:03,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:03,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961927969] [2021-03-26 15:05:03,962 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:03,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:03,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:03,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:03,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:03,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 556 transitions, 15862 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:03,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:03,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:03,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:04,524 INFO L129 PetriNetUnfolder]: 532/1295 cut-off events. [2021-03-26 15:05:04,525 INFO L130 PetriNetUnfolder]: For 64769/64773 co-relation queries the response was YES. [2021-03-26 15:05:04,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14926 conditions, 1295 events. 532/1295 cut-off events. For 64769/64773 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9046 event pairs, 21 based on Foata normal form. 5/1128 useless extension candidates. Maximal degree in co-relation 14690. Up to 755 conditions per place. [2021-03-26 15:05:04,548 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 507 selfloop transitions, 33 changer transitions 4/562 dead transitions. [2021-03-26 15:05:04,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 562 transitions, 17023 flow [2021-03-26 15:05:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:05:04,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:05:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 585 transitions. [2021-03-26 15:05:04,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41226215644820297 [2021-03-26 15:05:04,549 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 585 transitions. [2021-03-26 15:05:04,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 585 transitions. [2021-03-26 15:05:04,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:04,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 585 transitions. [2021-03-26 15:05:04,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.18181818181818) internal successors, (585), 11 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:04,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:04,550 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:04,550 INFO L185 Difference]: Start difference. First operand has 526 places, 556 transitions, 15862 flow. Second operand 11 states and 585 transitions. [2021-03-26 15:05:04,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 562 transitions, 17023 flow [2021-03-26 15:05:04,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 562 transitions, 16769 flow, removed 29 selfloop flow, removed 16 redundant places. [2021-03-26 15:05:04,984 INFO L241 Difference]: Finished difference. Result has 522 places, 553 transitions, 15590 flow [2021-03-26 15:05:04,984 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=15608, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15590, PETRI_PLACES=522, PETRI_TRANSITIONS=553} [2021-03-26 15:05:04,984 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 469 predicate places. [2021-03-26 15:05:04,984 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:04,984 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 522 places, 553 transitions, 15590 flow [2021-03-26 15:05:04,984 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 522 places, 553 transitions, 15590 flow [2021-03-26 15:05:04,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 519 places, 553 transitions, 15590 flow [2021-03-26 15:05:05,191 INFO L129 PetriNetUnfolder]: 491/1231 cut-off events. [2021-03-26 15:05:05,192 INFO L130 PetriNetUnfolder]: For 62017/62033 co-relation queries the response was YES. [2021-03-26 15:05:05,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13353 conditions, 1231 events. 491/1231 cut-off events. For 62017/62033 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8929 event pairs, 5 based on Foata normal form. 3/1057 useless extension candidates. Maximal degree in co-relation 13125. Up to 259 conditions per place. [2021-03-26 15:05:05,222 INFO L142 LiptonReduction]: Number of co-enabled transitions 2056 [2021-03-26 15:05:05,256 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:05,256 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:05,256 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 272 [2021-03-26 15:05:05,256 INFO L480 AbstractCegarLoop]: Abstraction has has 519 places, 553 transitions, 15590 flow [2021-03-26 15:05:05,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:05,256 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:05,256 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:05,256 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-03-26 15:05:05,256 INFO L428 AbstractCegarLoop]: === Iteration 172 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:05,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:05,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1146862563, now seen corresponding path program 1 times [2021-03-26 15:05:05,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:05,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501973257] [2021-03-26 15:05:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:05,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:05,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:05,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:05,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:05,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:05,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:05,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:05,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:05,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:05,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:05,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:05,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:05,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:05,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:05,330 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:05,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:05,343 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:05,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:05,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:05,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501973257] [2021-03-26 15:05:05,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:05,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:05:05,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272358520] [2021-03-26 15:05:05,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:05:05,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:05,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:05:05,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:05:05,346 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:05,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 553 transitions, 15590 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:05,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:05,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:05,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:05,953 INFO L129 PetriNetUnfolder]: 534/1301 cut-off events. [2021-03-26 15:05:05,953 INFO L130 PetriNetUnfolder]: For 66280/66295 co-relation queries the response was YES. [2021-03-26 15:05:05,968 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14891 conditions, 1301 events. 534/1301 cut-off events. For 66280/66295 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9157 event pairs, 8 based on Foata normal form. 16/1142 useless extension candidates. Maximal degree in co-relation 14658. Up to 734 conditions per place. [2021-03-26 15:05:05,973 INFO L132 encePairwiseOnDemand]: 110/129 looper letters, 481 selfloop transitions, 64 changer transitions 0/563 dead transitions. [2021-03-26 15:05:05,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 563 transitions, 16994 flow [2021-03-26 15:05:05,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:05:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:05:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 546 transitions. [2021-03-26 15:05:05,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4232558139534884 [2021-03-26 15:05:05,975 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 546 transitions. [2021-03-26 15:05:05,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 546 transitions. [2021-03-26 15:05:05,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:05,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 546 transitions. [2021-03-26 15:05:05,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.6) internal successors, (546), 10 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:05,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:05,976 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:05,976 INFO L185 Difference]: Start difference. First operand has 519 places, 553 transitions, 15590 flow. Second operand 10 states and 546 transitions. [2021-03-26 15:05:05,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 563 transitions, 16994 flow [2021-03-26 15:05:06,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 563 transitions, 16871 flow, removed 8 selfloop flow, removed 14 redundant places. [2021-03-26 15:05:06,482 INFO L241 Difference]: Finished difference. Result has 517 places, 557 transitions, 15923 flow [2021-03-26 15:05:06,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=15469, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=15923, PETRI_PLACES=517, PETRI_TRANSITIONS=557} [2021-03-26 15:05:06,483 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 464 predicate places. [2021-03-26 15:05:06,483 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:06,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 557 transitions, 15923 flow [2021-03-26 15:05:06,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 557 transitions, 15923 flow [2021-03-26 15:05:06,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 557 transitions, 15923 flow [2021-03-26 15:05:06,733 INFO L129 PetriNetUnfolder]: 484/1227 cut-off events. [2021-03-26 15:05:06,733 INFO L130 PetriNetUnfolder]: For 63228/63276 co-relation queries the response was YES. [2021-03-26 15:05:06,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13345 conditions, 1227 events. 484/1227 cut-off events. For 63228/63276 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8988 event pairs, 4 based on Foata normal form. 6/1054 useless extension candidates. Maximal degree in co-relation 13118. Up to 257 conditions per place. [2021-03-26 15:05:06,782 INFO L142 LiptonReduction]: Number of co-enabled transitions 2108 [2021-03-26 15:05:06,822 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:06,822 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:06,822 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 339 [2021-03-26 15:05:06,822 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 557 transitions, 15923 flow [2021-03-26 15:05:06,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:06,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:06,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:06,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-03-26 15:05:06,822 INFO L428 AbstractCegarLoop]: === Iteration 173 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:06,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:06,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1425573289, now seen corresponding path program 2 times [2021-03-26 15:05:06,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:06,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166408102] [2021-03-26 15:05:06,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:06,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:06,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:06,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:06,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:06,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:06,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:06,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:06,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:06,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:06,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:06,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:06,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:06,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:06,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:06,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:06,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:06,921 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:06,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:06,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166408102] [2021-03-26 15:05:06,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:06,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:05:06,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537872067] [2021-03-26 15:05:06,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:05:06,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:06,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:05:06,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:05:06,924 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:06,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 557 transitions, 15923 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:06,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:06,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:06,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:07,532 INFO L129 PetriNetUnfolder]: 534/1310 cut-off events. [2021-03-26 15:05:07,532 INFO L130 PetriNetUnfolder]: For 68207/68220 co-relation queries the response was YES. [2021-03-26 15:05:07,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14973 conditions, 1310 events. 534/1310 cut-off events. For 68207/68220 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9241 event pairs, 19 based on Foata normal form. 10/1143 useless extension candidates. Maximal degree in co-relation 14741. Up to 741 conditions per place. [2021-03-26 15:05:07,555 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 472 selfloop transitions, 56 changer transitions 17/563 dead transitions. [2021-03-26 15:05:07,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 563 transitions, 17128 flow [2021-03-26 15:05:07,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:05:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:05:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 542 transitions. [2021-03-26 15:05:07,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4201550387596899 [2021-03-26 15:05:07,557 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 542 transitions. [2021-03-26 15:05:07,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 542 transitions. [2021-03-26 15:05:07,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:07,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 542 transitions. [2021-03-26 15:05:07,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.2) internal successors, (542), 10 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:07,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:07,558 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 129.0) internal successors, (1419), 11 states have internal predecessors, (1419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:07,558 INFO L185 Difference]: Start difference. First operand has 517 places, 557 transitions, 15923 flow. Second operand 10 states and 542 transitions. [2021-03-26 15:05:07,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 563 transitions, 17128 flow [2021-03-26 15:05:08,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 563 transitions, 17003 flow, removed 51 selfloop flow, removed 4 redundant places. [2021-03-26 15:05:08,094 INFO L241 Difference]: Finished difference. Result has 524 places, 541 transitions, 15479 flow [2021-03-26 15:05:08,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=15798, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=15479, PETRI_PLACES=524, PETRI_TRANSITIONS=541} [2021-03-26 15:05:08,095 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 471 predicate places. [2021-03-26 15:05:08,095 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:08,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 524 places, 541 transitions, 15479 flow [2021-03-26 15:05:08,095 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 524 places, 541 transitions, 15479 flow [2021-03-26 15:05:08,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 518 places, 541 transitions, 15479 flow [2021-03-26 15:05:08,296 INFO L129 PetriNetUnfolder]: 465/1165 cut-off events. [2021-03-26 15:05:08,296 INFO L130 PetriNetUnfolder]: For 61605/61651 co-relation queries the response was YES. [2021-03-26 15:05:08,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13110 conditions, 1165 events. 465/1165 cut-off events. For 61605/61651 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8272 event pairs, 9 based on Foata normal form. 5/1009 useless extension candidates. Maximal degree in co-relation 12881. Up to 248 conditions per place. [2021-03-26 15:05:08,326 INFO L142 LiptonReduction]: Number of co-enabled transitions 1964 [2021-03-26 15:05:08,358 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:08,358 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:08,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 263 [2021-03-26 15:05:08,359 INFO L480 AbstractCegarLoop]: Abstraction has has 518 places, 541 transitions, 15479 flow [2021-03-26 15:05:08,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:08,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:08,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:08,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-03-26 15:05:08,359 INFO L428 AbstractCegarLoop]: === Iteration 174 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:08,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:08,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1736113332, now seen corresponding path program 14 times [2021-03-26 15:05:08,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:08,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167229516] [2021-03-26 15:05:08,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:08,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:08,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:08,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:08,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:08,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:08,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:08,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:08,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:08,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:08,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:08,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:08,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:08,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:08,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:08,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:08,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:08,440 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:08,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:08,454 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:08,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:08,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167229516] [2021-03-26 15:05:08,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:08,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:08,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724952575] [2021-03-26 15:05:08,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:08,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:08,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:08,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:08,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:08,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 541 transitions, 15479 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:08,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:08,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:08,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:09,178 INFO L129 PetriNetUnfolder]: 530/1287 cut-off events. [2021-03-26 15:05:09,178 INFO L130 PetriNetUnfolder]: For 65815/65819 co-relation queries the response was YES. [2021-03-26 15:05:09,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14903 conditions, 1287 events. 530/1287 cut-off events. For 65815/65819 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8991 event pairs, 9 based on Foata normal form. 5/1121 useless extension candidates. Maximal degree in co-relation 14692. Up to 700 conditions per place. [2021-03-26 15:05:09,199 INFO L132 encePairwiseOnDemand]: 109/129 looper letters, 441 selfloop transitions, 96 changer transitions 5/560 dead transitions. [2021-03-26 15:05:09,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 560 transitions, 16935 flow [2021-03-26 15:05:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:05:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:05:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2021-03-26 15:05:09,200 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41971207087486156 [2021-03-26 15:05:09,200 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 758 transitions. [2021-03-26 15:05:09,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 758 transitions. [2021-03-26 15:05:09,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:09,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 758 transitions. [2021-03-26 15:05:09,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.142857142857146) internal successors, (758), 14 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:09,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:09,202 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:09,202 INFO L185 Difference]: Start difference. First operand has 518 places, 541 transitions, 15479 flow. Second operand 14 states and 758 transitions. [2021-03-26 15:05:09,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 560 transitions, 16935 flow [2021-03-26 15:05:09,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 560 transitions, 16381 flow, removed 7 selfloop flow, removed 19 redundant places. [2021-03-26 15:05:09,630 INFO L241 Difference]: Finished difference. Result has 517 places, 546 transitions, 15395 flow [2021-03-26 15:05:09,630 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=14933, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=15395, PETRI_PLACES=517, PETRI_TRANSITIONS=546} [2021-03-26 15:05:09,630 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 464 predicate places. [2021-03-26 15:05:09,630 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:09,630 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 546 transitions, 15395 flow [2021-03-26 15:05:09,630 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 546 transitions, 15395 flow [2021-03-26 15:05:09,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 546 transitions, 15395 flow [2021-03-26 15:05:09,832 INFO L129 PetriNetUnfolder]: 477/1200 cut-off events. [2021-03-26 15:05:09,832 INFO L130 PetriNetUnfolder]: For 61463/61585 co-relation queries the response was YES. [2021-03-26 15:05:09,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13068 conditions, 1200 events. 477/1200 cut-off events. For 61463/61585 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 8596 event pairs, 3 based on Foata normal form. 6/1033 useless extension candidates. Maximal degree in co-relation 12841. Up to 252 conditions per place. [2021-03-26 15:05:09,861 INFO L142 LiptonReduction]: Number of co-enabled transitions 1964 [2021-03-26 15:05:09,895 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:09,895 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:09,895 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 265 [2021-03-26 15:05:09,895 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 546 transitions, 15395 flow [2021-03-26 15:05:09,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:09,895 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:09,895 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:09,895 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-03-26 15:05:09,895 INFO L428 AbstractCegarLoop]: === Iteration 175 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:09,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:09,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1582955338, now seen corresponding path program 15 times [2021-03-26 15:05:09,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:09,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375850531] [2021-03-26 15:05:09,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:09,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:09,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:09,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:09,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:09,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:09,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:09,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:09,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:09,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:09,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:09,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:09,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:09,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:09,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:09,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:09,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:09,976 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:09,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:09,990 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:09,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:09,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:09,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375850531] [2021-03-26 15:05:09,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:09,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:09,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849528771] [2021-03-26 15:05:09,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:09,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:09,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:09,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:09,994 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:09,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 546 transitions, 15395 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:09,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:09,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:09,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:10,636 INFO L129 PetriNetUnfolder]: 531/1288 cut-off events. [2021-03-26 15:05:10,637 INFO L130 PetriNetUnfolder]: For 62076/62091 co-relation queries the response was YES. [2021-03-26 15:05:10,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14701 conditions, 1288 events. 531/1288 cut-off events. For 62076/62091 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 9045 event pairs, 7 based on Foata normal form. 16/1131 useless extension candidates. Maximal degree in co-relation 14469. Up to 709 conditions per place. [2021-03-26 15:05:10,659 INFO L132 encePairwiseOnDemand]: 110/129 looper letters, 461 selfloop transitions, 79 changer transitions 0/558 dead transitions. [2021-03-26 15:05:10,659 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 558 transitions, 16618 flow [2021-03-26 15:05:10,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:05:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:05:10,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 752 transitions. [2021-03-26 15:05:10,660 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.416389811738649 [2021-03-26 15:05:10,660 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 752 transitions. [2021-03-26 15:05:10,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 752 transitions. [2021-03-26 15:05:10,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:10,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 752 transitions. [2021-03-26 15:05:10,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.714285714285715) internal successors, (752), 14 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:10,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:10,662 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:10,662 INFO L185 Difference]: Start difference. First operand has 516 places, 546 transitions, 15395 flow. Second operand 14 states and 752 transitions. [2021-03-26 15:05:10,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 558 transitions, 16618 flow [2021-03-26 15:05:11,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 558 transitions, 16451 flow, removed 10 selfloop flow, removed 11 redundant places. [2021-03-26 15:05:11,146 INFO L241 Difference]: Finished difference. Result has 521 places, 549 transitions, 15509 flow [2021-03-26 15:05:11,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=15230, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=15509, PETRI_PLACES=521, PETRI_TRANSITIONS=549} [2021-03-26 15:05:11,146 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 468 predicate places. [2021-03-26 15:05:11,146 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:11,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 549 transitions, 15509 flow [2021-03-26 15:05:11,146 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 549 transitions, 15509 flow [2021-03-26 15:05:11,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 521 places, 549 transitions, 15509 flow [2021-03-26 15:05:11,345 INFO L129 PetriNetUnfolder]: 478/1210 cut-off events. [2021-03-26 15:05:11,345 INFO L130 PetriNetUnfolder]: For 60863/60914 co-relation queries the response was YES. [2021-03-26 15:05:11,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13017 conditions, 1210 events. 478/1210 cut-off events. For 60863/60914 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8785 event pairs, 4 based on Foata normal form. 6/1040 useless extension candidates. Maximal degree in co-relation 12790. Up to 249 conditions per place. [2021-03-26 15:05:11,374 INFO L142 LiptonReduction]: Number of co-enabled transitions 1998 [2021-03-26 15:05:11,408 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:11,408 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:11,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 262 [2021-03-26 15:05:11,408 INFO L480 AbstractCegarLoop]: Abstraction has has 521 places, 549 transitions, 15509 flow [2021-03-26 15:05:11,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:11,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:11,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:11,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-03-26 15:05:11,408 INFO L428 AbstractCegarLoop]: === Iteration 176 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:11,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:11,408 INFO L82 PathProgramCache]: Analyzing trace with hash -851118708, now seen corresponding path program 16 times [2021-03-26 15:05:11,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:11,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738619083] [2021-03-26 15:05:11,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:11,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:11,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:11,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:11,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:11,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:11,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:11,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:11,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:11,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:11,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:11,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:11,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:11,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:11,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:11,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:11,488 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:11,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:11,503 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:11,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:11,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738619083] [2021-03-26 15:05:11,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:11,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:11,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939893406] [2021-03-26 15:05:11,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:11,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:11,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:11,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:11,506 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:11,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 549 transitions, 15509 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:11,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:11,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:11,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:12,237 INFO L129 PetriNetUnfolder]: 533/1300 cut-off events. [2021-03-26 15:05:12,238 INFO L130 PetriNetUnfolder]: For 63781/63794 co-relation queries the response was YES. [2021-03-26 15:05:12,252 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14762 conditions, 1300 events. 533/1300 cut-off events. For 63781/63794 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9122 event pairs, 10 based on Foata normal form. 14/1139 useless extension candidates. Maximal degree in co-relation 14526. Up to 689 conditions per place. [2021-03-26 15:05:12,257 INFO L132 encePairwiseOnDemand]: 110/129 looper letters, 432 selfloop transitions, 90 changer transitions 27/567 dead transitions. [2021-03-26 15:05:12,257 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 567 transitions, 16840 flow [2021-03-26 15:05:12,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:05:12,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:05:12,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 762 transitions. [2021-03-26 15:05:12,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4219269102990033 [2021-03-26 15:05:12,258 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 762 transitions. [2021-03-26 15:05:12,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 762 transitions. [2021-03-26 15:05:12,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:12,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 762 transitions. [2021-03-26 15:05:12,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.42857142857143) internal successors, (762), 14 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:12,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:12,260 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:12,260 INFO L185 Difference]: Start difference. First operand has 521 places, 549 transitions, 15509 flow. Second operand 14 states and 762 transitions. [2021-03-26 15:05:12,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 567 transitions, 16840 flow [2021-03-26 15:05:12,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 567 transitions, 16684 flow, removed 32 selfloop flow, removed 8 redundant places. [2021-03-26 15:05:12,720 INFO L241 Difference]: Finished difference. Result has 530 places, 527 transitions, 14915 flow [2021-03-26 15:05:12,721 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=15353, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=14915, PETRI_PLACES=530, PETRI_TRANSITIONS=527} [2021-03-26 15:05:12,721 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 477 predicate places. [2021-03-26 15:05:12,721 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:12,721 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 527 transitions, 14915 flow [2021-03-26 15:05:12,721 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 527 transitions, 14915 flow [2021-03-26 15:05:12,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 527 places, 527 transitions, 14915 flow [2021-03-26 15:05:12,909 INFO L129 PetriNetUnfolder]: 459/1141 cut-off events. [2021-03-26 15:05:12,910 INFO L130 PetriNetUnfolder]: For 60969/61015 co-relation queries the response was YES. [2021-03-26 15:05:12,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12761 conditions, 1141 events. 459/1141 cut-off events. For 60969/61015 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 8040 event pairs, 6 based on Foata normal form. 5/987 useless extension candidates. Maximal degree in co-relation 12530. Up to 246 conditions per place. [2021-03-26 15:05:12,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 1862 [2021-03-26 15:05:12,967 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:12,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:12,968 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-03-26 15:05:12,968 INFO L480 AbstractCegarLoop]: Abstraction has has 527 places, 527 transitions, 14915 flow [2021-03-26 15:05:12,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:12,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:12,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:12,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-03-26 15:05:12,968 INFO L428 AbstractCegarLoop]: === Iteration 177 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:12,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:12,968 INFO L82 PathProgramCache]: Analyzing trace with hash 568997270, now seen corresponding path program 17 times [2021-03-26 15:05:12,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:12,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097863410] [2021-03-26 15:05:12,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:12,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:12,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:12,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:12,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:12,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:12,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:12,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:12,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:13,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:13,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:13,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:13,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:13,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:13,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:13,035 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:05:13,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:05:13,037 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:13,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:13,050 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:13,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:13,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:13,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097863410] [2021-03-26 15:05:13,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:13,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:05:13,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106270137] [2021-03-26 15:05:13,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:05:13,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:13,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:05:13,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:05:13,054 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:13,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 527 transitions, 14915 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:13,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:13,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:13,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:13,610 INFO L129 PetriNetUnfolder]: 509/1219 cut-off events. [2021-03-26 15:05:13,610 INFO L130 PetriNetUnfolder]: For 63160/63164 co-relation queries the response was YES. [2021-03-26 15:05:13,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14358 conditions, 1219 events. 509/1219 cut-off events. For 63160/63164 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8303 event pairs, 11 based on Foata normal form. 5/1067 useless extension candidates. Maximal degree in co-relation 14119. Up to 720 conditions per place. [2021-03-26 15:05:13,631 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 466 selfloop transitions, 51 changer transitions 0/535 dead transitions. [2021-03-26 15:05:13,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 535 transitions, 16057 flow [2021-03-26 15:05:13,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 644 transitions. [2021-03-26 15:05:13,632 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4160206718346253 [2021-03-26 15:05:13,632 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 644 transitions. [2021-03-26 15:05:13,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 644 transitions. [2021-03-26 15:05:13,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:13,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 644 transitions. [2021-03-26 15:05:13,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.666666666666664) internal successors, (644), 12 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:13,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:13,633 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:13,633 INFO L185 Difference]: Start difference. First operand has 527 places, 527 transitions, 14915 flow. Second operand 12 states and 644 transitions. [2021-03-26 15:05:13,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 535 transitions, 16057 flow [2021-03-26 15:05:14,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 535 transitions, 15706 flow, removed 11 selfloop flow, removed 24 redundant places. [2021-03-26 15:05:14,118 INFO L241 Difference]: Finished difference. Result has 516 places, 528 transitions, 14766 flow [2021-03-26 15:05:14,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=14566, PETRI_DIFFERENCE_MINUEND_PLACES=503, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=14766, PETRI_PLACES=516, PETRI_TRANSITIONS=528} [2021-03-26 15:05:14,118 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 463 predicate places. [2021-03-26 15:05:14,118 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:14,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 516 places, 528 transitions, 14766 flow [2021-03-26 15:05:14,118 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 516 places, 528 transitions, 14766 flow [2021-03-26 15:05:14,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 528 transitions, 14766 flow [2021-03-26 15:05:14,307 INFO L129 PetriNetUnfolder]: 461/1154 cut-off events. [2021-03-26 15:05:14,307 INFO L130 PetriNetUnfolder]: For 60314/60361 co-relation queries the response was YES. [2021-03-26 15:05:14,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12535 conditions, 1154 events. 461/1154 cut-off events. For 60314/60361 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8163 event pairs, 4 based on Foata normal form. 6/996 useless extension candidates. Maximal degree in co-relation 12311. Up to 246 conditions per place. [2021-03-26 15:05:14,334 INFO L142 LiptonReduction]: Number of co-enabled transitions 1876 [2021-03-26 15:05:14,366 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:14,366 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:14,366 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 248 [2021-03-26 15:05:14,366 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 528 transitions, 14766 flow [2021-03-26 15:05:14,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:14,366 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:14,366 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:14,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-03-26 15:05:14,367 INFO L428 AbstractCegarLoop]: === Iteration 178 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:14,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:14,367 INFO L82 PathProgramCache]: Analyzing trace with hash 325369940, now seen corresponding path program 18 times [2021-03-26 15:05:14,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:14,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666511852] [2021-03-26 15:05:14,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:14,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:14,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:14,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:14,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:14,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:14,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:14,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:14,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:14,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:14,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:14,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:14,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:14,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:14,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:14,433 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:05:14,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:05:14,439 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:14,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:14,452 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:14,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:14,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666511852] [2021-03-26 15:05:14,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:14,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:05:14,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380602403] [2021-03-26 15:05:14,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:05:14,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:14,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:05:14,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:05:14,455 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:14,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 528 transitions, 14766 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:14,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:14,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:14,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:14,980 INFO L129 PetriNetUnfolder]: 515/1240 cut-off events. [2021-03-26 15:05:14,980 INFO L130 PetriNetUnfolder]: For 61725/61740 co-relation queries the response was YES. [2021-03-26 15:05:14,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14247 conditions, 1240 events. 515/1240 cut-off events. For 61725/61740 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 8559 event pairs, 7 based on Foata normal form. 16/1092 useless extension candidates. Maximal degree in co-relation 14015. Up to 700 conditions per place. [2021-03-26 15:05:15,001 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 456 selfloop transitions, 60 changer transitions 3/537 dead transitions. [2021-03-26 15:05:15,001 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 537 transitions, 15899 flow [2021-03-26 15:05:15,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:05:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:05:15,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 593 transitions. [2021-03-26 15:05:15,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4178999295278365 [2021-03-26 15:05:15,002 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 593 transitions. [2021-03-26 15:05:15,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 593 transitions. [2021-03-26 15:05:15,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:15,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 593 transitions. [2021-03-26 15:05:15,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.90909090909091) internal successors, (593), 11 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:15,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:15,046 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:15,046 INFO L185 Difference]: Start difference. First operand has 516 places, 528 transitions, 14766 flow. Second operand 11 states and 593 transitions. [2021-03-26 15:05:15,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 537 transitions, 15899 flow [2021-03-26 15:05:15,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 537 transitions, 15764 flow, removed 18 selfloop flow, removed 11 redundant places. [2021-03-26 15:05:15,501 INFO L241 Difference]: Finished difference. Result has 517 places, 526 transitions, 14701 flow [2021-03-26 15:05:15,502 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=14631, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=468, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=14701, PETRI_PLACES=517, PETRI_TRANSITIONS=526} [2021-03-26 15:05:15,502 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 464 predicate places. [2021-03-26 15:05:15,502 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:15,502 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 526 transitions, 14701 flow [2021-03-26 15:05:15,502 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 526 transitions, 14701 flow [2021-03-26 15:05:15,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 516 places, 526 transitions, 14701 flow [2021-03-26 15:05:15,698 INFO L129 PetriNetUnfolder]: 462/1156 cut-off events. [2021-03-26 15:05:15,698 INFO L130 PetriNetUnfolder]: For 60649/60697 co-relation queries the response was YES. [2021-03-26 15:05:15,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12643 conditions, 1156 events. 462/1156 cut-off events. For 60649/60697 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8174 event pairs, 4 based on Foata normal form. 6/997 useless extension candidates. Maximal degree in co-relation 12417. Up to 247 conditions per place. [2021-03-26 15:05:15,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 1876 [2021-03-26 15:05:15,757 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:15,757 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:15,757 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 255 [2021-03-26 15:05:15,757 INFO L480 AbstractCegarLoop]: Abstraction has has 516 places, 526 transitions, 14701 flow [2021-03-26 15:05:15,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:15,757 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:15,757 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:15,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-03-26 15:05:15,757 INFO L428 AbstractCegarLoop]: === Iteration 179 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:15,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:15,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1491117310, now seen corresponding path program 19 times [2021-03-26 15:05:15,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:15,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370215728] [2021-03-26 15:05:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:15,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:15,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:15,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:15,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:15,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:15,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:15,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:15,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:15,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:15,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:15,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:15,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:15,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:15,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:15,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:15,841 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:15,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:15,855 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:15,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:15,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370215728] [2021-03-26 15:05:15,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:15,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:15,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281652226] [2021-03-26 15:05:15,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:15,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:15,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:15,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:15,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:15,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 526 transitions, 14701 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:15,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:15,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:15,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:16,411 INFO L129 PetriNetUnfolder]: 512/1233 cut-off events. [2021-03-26 15:05:16,411 INFO L130 PetriNetUnfolder]: For 62046/62061 co-relation queries the response was YES. [2021-03-26 15:05:16,428 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14215 conditions, 1233 events. 512/1233 cut-off events. For 62046/62061 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 8485 event pairs, 7 based on Foata normal form. 16/1087 useless extension candidates. Maximal degree in co-relation 13981. Up to 690 conditions per place. [2021-03-26 15:05:16,433 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 449 selfloop transitions, 60 changer transitions 10/537 dead transitions. [2021-03-26 15:05:16,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 537 transitions, 15851 flow [2021-03-26 15:05:16,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 645 transitions. [2021-03-26 15:05:16,434 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2021-03-26 15:05:16,434 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 645 transitions. [2021-03-26 15:05:16,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 645 transitions. [2021-03-26 15:05:16,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:16,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 645 transitions. [2021-03-26 15:05:16,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.75) internal successors, (645), 12 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:16,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:16,435 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:16,435 INFO L185 Difference]: Start difference. First operand has 516 places, 526 transitions, 14701 flow. Second operand 12 states and 645 transitions. [2021-03-26 15:05:16,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 537 transitions, 15851 flow [2021-03-26 15:05:16,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 537 transitions, 15693 flow, removed 3 selfloop flow, removed 12 redundant places. [2021-03-26 15:05:16,889 INFO L241 Difference]: Finished difference. Result has 517 places, 517 transitions, 14278 flow [2021-03-26 15:05:16,889 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=14543, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=14278, PETRI_PLACES=517, PETRI_TRANSITIONS=517} [2021-03-26 15:05:16,889 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 464 predicate places. [2021-03-26 15:05:16,889 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:16,889 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 517 transitions, 14278 flow [2021-03-26 15:05:16,889 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 517 transitions, 14278 flow [2021-03-26 15:05:16,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 514 places, 517 transitions, 14278 flow [2021-03-26 15:05:17,082 INFO L129 PetriNetUnfolder]: 456/1135 cut-off events. [2021-03-26 15:05:17,082 INFO L130 PetriNetUnfolder]: For 61031/61087 co-relation queries the response was YES. [2021-03-26 15:05:17,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12409 conditions, 1135 events. 456/1135 cut-off events. For 61031/61087 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7969 event pairs, 4 based on Foata normal form. 7/981 useless extension candidates. Maximal degree in co-relation 12183. Up to 245 conditions per place. [2021-03-26 15:05:17,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 1842 [2021-03-26 15:05:17,144 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:17,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:17,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 256 [2021-03-26 15:05:17,145 INFO L480 AbstractCegarLoop]: Abstraction has has 514 places, 517 transitions, 14278 flow [2021-03-26 15:05:17,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:17,145 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:17,145 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, 1, 1, 1] [2021-03-26 15:05:17,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-03-26 15:05:17,145 INFO L428 AbstractCegarLoop]: === Iteration 180 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:17,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:17,145 INFO L82 PathProgramCache]: Analyzing trace with hash 911370686, now seen corresponding path program 20 times [2021-03-26 15:05:17,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:17,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364879685] [2021-03-26 15:05:17,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:17,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:17,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:17,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:17,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:17,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:17,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:17,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:17,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:17,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:17,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:17,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:17,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:17,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:17,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:17,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:17,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:17,219 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:17,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:17,233 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:17,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:17,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:17,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364879685] [2021-03-26 15:05:17,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:17,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:05:17,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553688800] [2021-03-26 15:05:17,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:05:17,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:17,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:05:17,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:05:17,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:17,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 517 transitions, 14278 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:17,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:17,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:17,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:17,815 INFO L129 PetriNetUnfolder]: 506/1213 cut-off events. [2021-03-26 15:05:17,815 INFO L130 PetriNetUnfolder]: For 61692/61707 co-relation queries the response was YES. [2021-03-26 15:05:17,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13973 conditions, 1213 events. 506/1213 cut-off events. For 61692/61707 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 8287 event pairs, 7 based on Foata normal form. 16/1071 useless extension candidates. Maximal degree in co-relation 13739. Up to 687 conditions per place. [2021-03-26 15:05:17,837 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 441 selfloop transitions, 60 changer transitions 7/526 dead transitions. [2021-03-26 15:05:17,837 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 526 transitions, 15368 flow [2021-03-26 15:05:17,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:05:17,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:05:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 595 transitions. [2021-03-26 15:05:17,838 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4193093727977449 [2021-03-26 15:05:17,838 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 595 transitions. [2021-03-26 15:05:17,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 595 transitions. [2021-03-26 15:05:17,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:17,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 595 transitions. [2021-03-26 15:05:17,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.09090909090909) internal successors, (595), 11 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:17,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:17,839 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:17,839 INFO L185 Difference]: Start difference. First operand has 514 places, 517 transitions, 14278 flow. Second operand 11 states and 595 transitions. [2021-03-26 15:05:17,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 526 transitions, 15368 flow [2021-03-26 15:05:18,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 526 transitions, 15011 flow, removed 9 selfloop flow, removed 28 redundant places. [2021-03-26 15:05:18,313 INFO L241 Difference]: Finished difference. Result has 498 places, 511 transitions, 13870 flow [2021-03-26 15:05:18,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=13921, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13870, PETRI_PLACES=498, PETRI_TRANSITIONS=511} [2021-03-26 15:05:18,313 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 445 predicate places. [2021-03-26 15:05:18,313 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:18,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 511 transitions, 13870 flow [2021-03-26 15:05:18,313 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 511 transitions, 13870 flow [2021-03-26 15:05:18,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 497 places, 511 transitions, 13870 flow [2021-03-26 15:05:18,497 INFO L129 PetriNetUnfolder]: 458/1123 cut-off events. [2021-03-26 15:05:18,497 INFO L130 PetriNetUnfolder]: For 60577/60592 co-relation queries the response was YES. [2021-03-26 15:05:18,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12292 conditions, 1123 events. 458/1123 cut-off events. For 60577/60592 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 7766 event pairs, 4 based on Foata normal form. 2/971 useless extension candidates. Maximal degree in co-relation 12074. Up to 248 conditions per place. [2021-03-26 15:05:18,523 INFO L142 LiptonReduction]: Number of co-enabled transitions 1816 [2021-03-26 15:05:18,553 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:18,553 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:18,553 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 240 [2021-03-26 15:05:18,553 INFO L480 AbstractCegarLoop]: Abstraction has has 497 places, 511 transitions, 13870 flow [2021-03-26 15:05:18,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:18,553 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:18,553 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:18,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-03-26 15:05:18,554 INFO L428 AbstractCegarLoop]: === Iteration 181 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:18,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:18,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1030238580, now seen corresponding path program 21 times [2021-03-26 15:05:18,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:18,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775787320] [2021-03-26 15:05:18,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:18,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:18,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:18,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:18,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:18,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:18,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:18,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:18,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:18,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:18,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:18,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:18,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:18,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:18,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:18,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:18,647 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:18,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:18,663 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:18,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:18,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775787320] [2021-03-26 15:05:18,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:18,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:18,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831920218] [2021-03-26 15:05:18,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:18,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:18,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:18,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:18,667 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:18,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 511 transitions, 13870 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:18,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:18,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:18,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:19,269 INFO L129 PetriNetUnfolder]: 506/1203 cut-off events. [2021-03-26 15:05:19,269 INFO L130 PetriNetUnfolder]: For 60605/60620 co-relation queries the response was YES. [2021-03-26 15:05:19,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13794 conditions, 1203 events. 506/1203 cut-off events. For 60605/60620 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8154 event pairs, 7 based on Foata normal form. 16/1062 useless extension candidates. Maximal degree in co-relation 13572. Up to 699 conditions per place. [2021-03-26 15:05:19,290 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 444 selfloop transitions, 44 changer transitions 16/522 dead transitions. [2021-03-26 15:05:19,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 522 transitions, 15030 flow [2021-03-26 15:05:19,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:05:19,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:05:19,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 740 transitions. [2021-03-26 15:05:19,292 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4097452934662237 [2021-03-26 15:05:19,292 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 740 transitions. [2021-03-26 15:05:19,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 740 transitions. [2021-03-26 15:05:19,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:19,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 740 transitions. [2021-03-26 15:05:19,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.857142857142854) internal successors, (740), 14 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:19,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:19,293 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 129.0) internal successors, (1935), 15 states have internal predecessors, (1935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:19,293 INFO L185 Difference]: Start difference. First operand has 497 places, 511 transitions, 13870 flow. Second operand 14 states and 740 transitions. [2021-03-26 15:05:19,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 522 transitions, 15030 flow [2021-03-26 15:05:19,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 522 transitions, 14859 flow, removed 6 selfloop flow, removed 15 redundant places. [2021-03-26 15:05:19,701 INFO L241 Difference]: Finished difference. Result has 499 places, 499 transitions, 13599 flow [2021-03-26 15:05:19,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=13699, PETRI_DIFFERENCE_MINUEND_PLACES=482, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13599, PETRI_PLACES=499, PETRI_TRANSITIONS=499} [2021-03-26 15:05:19,701 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 446 predicate places. [2021-03-26 15:05:19,701 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:19,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 499 places, 499 transitions, 13599 flow [2021-03-26 15:05:19,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 499 places, 499 transitions, 13599 flow [2021-03-26 15:05:19,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 499 transitions, 13599 flow [2021-03-26 15:05:19,874 INFO L129 PetriNetUnfolder]: 438/1063 cut-off events. [2021-03-26 15:05:19,874 INFO L130 PetriNetUnfolder]: For 58372/58420 co-relation queries the response was YES. [2021-03-26 15:05:19,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11997 conditions, 1063 events. 438/1063 cut-off events. For 58372/58420 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7202 event pairs, 5 based on Foata normal form. 6/924 useless extension candidates. Maximal degree in co-relation 11787. Up to 243 conditions per place. [2021-03-26 15:05:19,898 INFO L142 LiptonReduction]: Number of co-enabled transitions 1724 [2021-03-26 15:05:19,926 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:19,926 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:19,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-03-26 15:05:19,926 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 499 transitions, 13599 flow [2021-03-26 15:05:19,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:19,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:19,927 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:19,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-03-26 15:05:19,927 INFO L428 AbstractCegarLoop]: === Iteration 182 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:19,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:19,927 INFO L82 PathProgramCache]: Analyzing trace with hash 321328192, now seen corresponding path program 22 times [2021-03-26 15:05:19,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:19,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650262709] [2021-03-26 15:05:19,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:19,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:19,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:19,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:19,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:19,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:19,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:19,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:19,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:19,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:19,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:19,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:19,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:19,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:19,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:19,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:19,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:20,006 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:20,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:20,020 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:20,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:20,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650262709] [2021-03-26 15:05:20,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:20,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:20,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868932198] [2021-03-26 15:05:20,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:20,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:20,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:20,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:20,023 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 129 [2021-03-26 15:05:20,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 499 transitions, 13599 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:20,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:20,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 129 [2021-03-26 15:05:20,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:20,544 INFO L129 PetriNetUnfolder]: 489/1146 cut-off events. [2021-03-26 15:05:20,544 INFO L130 PetriNetUnfolder]: For 59557/59563 co-relation queries the response was YES. [2021-03-26 15:05:20,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13537 conditions, 1146 events. 489/1146 cut-off events. For 59557/59563 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7576 event pairs, 7 based on Foata normal form. 7/1010 useless extension candidates. Maximal degree in co-relation 13317. Up to 649 conditions per place. [2021-03-26 15:05:20,563 INFO L132 encePairwiseOnDemand]: 112/129 looper letters, 397 selfloop transitions, 85 changer transitions 10/510 dead transitions. [2021-03-26 15:05:20,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 510 transitions, 14694 flow [2021-03-26 15:05:20,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:20,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 15:05:20,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.417312661498708 [2021-03-26 15:05:20,564 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 15:05:20,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 15:05:20,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:20,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 15:05:20,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:20,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:20,566 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 129.0) internal successors, (1677), 13 states have internal predecessors, (1677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:20,566 INFO L185 Difference]: Start difference. First operand has 494 places, 499 transitions, 13599 flow. Second operand 12 states and 646 transitions. [2021-03-26 15:05:20,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 510 transitions, 14694 flow [2021-03-26 15:05:20,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 510 transitions, 14454 flow, removed 15 selfloop flow, removed 25 redundant places. [2021-03-26 15:05:20,968 INFO L241 Difference]: Finished difference. Result has 482 places, 491 transitions, 13325 flow [2021-03-26 15:05:20,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=13361, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13325, PETRI_PLACES=482, PETRI_TRANSITIONS=491} [2021-03-26 15:05:20,968 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 429 predicate places. [2021-03-26 15:05:20,968 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:20,968 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 482 places, 491 transitions, 13325 flow [2021-03-26 15:05:20,968 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 482 places, 491 transitions, 13325 flow [2021-03-26 15:05:20,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 475 places, 491 transitions, 13325 flow [2021-03-26 15:05:21,161 INFO L129 PetriNetUnfolder]: 433/1044 cut-off events. [2021-03-26 15:05:21,161 INFO L130 PetriNetUnfolder]: For 56484/56532 co-relation queries the response was YES. [2021-03-26 15:05:21,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11743 conditions, 1044 events. 433/1044 cut-off events. For 56484/56532 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6976 event pairs, 4 based on Foata normal form. 6/909 useless extension candidates. Maximal degree in co-relation 11535. Up to 242 conditions per place. [2021-03-26 15:05:21,182 INFO L142 LiptonReduction]: Number of co-enabled transitions 1690 [2021-03-26 15:05:21,281 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:05:21,282 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:05:21,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 314 [2021-03-26 15:05:21,282 INFO L480 AbstractCegarLoop]: Abstraction has has 475 places, 491 transitions, 13336 flow [2021-03-26 15:05:21,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:21,282 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:21,282 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:21,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-03-26 15:05:21,282 INFO L428 AbstractCegarLoop]: === Iteration 183 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:21,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:21,282 INFO L82 PathProgramCache]: Analyzing trace with hash -159236454, now seen corresponding path program 1 times [2021-03-26 15:05:21,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:21,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067949052] [2021-03-26 15:05:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:21,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:21,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:21,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:21,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:21,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:21,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:21,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:21,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:21,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:21,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:21,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:21,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:21,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:21,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:21,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:21,339 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:21,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:21,352 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:21,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:21,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067949052] [2021-03-26 15:05:21,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:21,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:05:21,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538158490] [2021-03-26 15:05:21,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:05:21,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:21,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:05:21,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:05:21,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:21,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 491 transitions, 13336 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:21,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:21,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:21,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:21,827 INFO L129 PetriNetUnfolder]: 479/1110 cut-off events. [2021-03-26 15:05:21,827 INFO L130 PetriNetUnfolder]: For 58391/58404 co-relation queries the response was YES. [2021-03-26 15:05:21,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13254 conditions, 1110 events. 479/1110 cut-off events. For 58391/58404 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 7105 event pairs, 21 based on Foata normal form. 14/989 useless extension candidates. Maximal degree in co-relation 13042. Up to 651 conditions per place. [2021-03-26 15:05:21,845 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 398 selfloop transitions, 76 changer transitions 8/500 dead transitions. [2021-03-26 15:05:21,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 500 transitions, 14403 flow [2021-03-26 15:05:21,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:05:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:05:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 547 transitions. [2021-03-26 15:05:21,860 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41755725190839693 [2021-03-26 15:05:21,860 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 547 transitions. [2021-03-26 15:05:21,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 547 transitions. [2021-03-26 15:05:21,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:21,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 547 transitions. [2021-03-26 15:05:21,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.7) internal successors, (547), 10 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:21,862 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:21,862 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 131.0) internal successors, (1441), 11 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:21,862 INFO L185 Difference]: Start difference. First operand has 475 places, 491 transitions, 13336 flow. Second operand 10 states and 547 transitions. [2021-03-26 15:05:21,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 500 transitions, 14403 flow [2021-03-26 15:05:22,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 500 transitions, 14076 flow, removed 15 selfloop flow, removed 17 redundant places. [2021-03-26 15:05:22,318 INFO L241 Difference]: Finished difference. Result has 469 places, 484 transitions, 12913 flow [2021-03-26 15:05:22,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13009, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=12913, PETRI_PLACES=469, PETRI_TRANSITIONS=484} [2021-03-26 15:05:22,318 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 416 predicate places. [2021-03-26 15:05:22,318 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:22,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 469 places, 484 transitions, 12913 flow [2021-03-26 15:05:22,318 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 469 places, 484 transitions, 12913 flow [2021-03-26 15:05:22,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 484 transitions, 12913 flow [2021-03-26 15:05:22,469 INFO L129 PetriNetUnfolder]: 420/1005 cut-off events. [2021-03-26 15:05:22,470 INFO L130 PetriNetUnfolder]: For 54164/54212 co-relation queries the response was YES. [2021-03-26 15:05:22,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11483 conditions, 1005 events. 420/1005 cut-off events. For 54164/54212 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6597 event pairs, 7 based on Foata normal form. 6/882 useless extension candidates. Maximal degree in co-relation 11278. Up to 241 conditions per place. [2021-03-26 15:05:22,491 INFO L142 LiptonReduction]: Number of co-enabled transitions 1666 [2021-03-26 15:05:22,518 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:22,518 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:22,518 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 200 [2021-03-26 15:05:22,518 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 484 transitions, 12913 flow [2021-03-26 15:05:22,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:22,518 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:22,518 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:22,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-03-26 15:05:22,518 INFO L428 AbstractCegarLoop]: === Iteration 184 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:22,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:22,519 INFO L82 PathProgramCache]: Analyzing trace with hash -144075594, now seen corresponding path program 1 times [2021-03-26 15:05:22,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:22,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323173113] [2021-03-26 15:05:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:22,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:22,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:22,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:22,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:22,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:22,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:22,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:22,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:22,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:22,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:22,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:22,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:22,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:22,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:22,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:22,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:22,585 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:22,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:22,590 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:22,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:22,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:22,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323173113] [2021-03-26 15:05:22,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:22,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:05:22,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65750144] [2021-03-26 15:05:22,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:05:22,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:22,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:05:22,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:05:22,594 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:22,595 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 484 transitions, 12913 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:22,595 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:22,595 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:22,595 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:23,017 INFO L129 PetriNetUnfolder]: 472/1085 cut-off events. [2021-03-26 15:05:23,017 INFO L130 PetriNetUnfolder]: For 57068/57081 co-relation queries the response was YES. [2021-03-26 15:05:23,030 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12998 conditions, 1085 events. 472/1085 cut-off events. For 57068/57081 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 6886 event pairs, 21 based on Foata normal form. 10/966 useless extension candidates. Maximal degree in co-relation 12789. Up to 678 conditions per place. [2021-03-26 15:05:23,034 INFO L132 encePairwiseOnDemand]: 118/131 looper letters, 433 selfloop transitions, 39 changer transitions 0/490 dead transitions. [2021-03-26 15:05:23,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 490 transitions, 13953 flow [2021-03-26 15:05:23,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:05:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:05:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 443 transitions. [2021-03-26 15:05:23,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42270992366412213 [2021-03-26 15:05:23,036 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 443 transitions. [2021-03-26 15:05:23,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 443 transitions. [2021-03-26 15:05:23,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:23,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 443 transitions. [2021-03-26 15:05:23,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 55.375) internal successors, (443), 8 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:23,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 131.0) internal successors, (1179), 9 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:23,037 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 131.0) internal successors, (1179), 9 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:23,037 INFO L185 Difference]: Start difference. First operand has 467 places, 484 transitions, 12913 flow. Second operand 8 states and 443 transitions. [2021-03-26 15:05:23,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 490 transitions, 13953 flow [2021-03-26 15:05:23,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 490 transitions, 13621 flow, removed 9 selfloop flow, removed 19 redundant places. [2021-03-26 15:05:23,422 INFO L241 Difference]: Finished difference. Result has 457 places, 485 transitions, 12752 flow [2021-03-26 15:05:23,422 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=12581, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12752, PETRI_PLACES=457, PETRI_TRANSITIONS=485} [2021-03-26 15:05:23,422 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 404 predicate places. [2021-03-26 15:05:23,422 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:23,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 485 transitions, 12752 flow [2021-03-26 15:05:23,422 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 485 transitions, 12752 flow [2021-03-26 15:05:23,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 457 places, 485 transitions, 12752 flow [2021-03-26 15:05:23,570 INFO L129 PetriNetUnfolder]: 418/1001 cut-off events. [2021-03-26 15:05:23,570 INFO L130 PetriNetUnfolder]: For 54380/54428 co-relation queries the response was YES. [2021-03-26 15:05:23,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11367 conditions, 1001 events. 418/1001 cut-off events. For 54380/54428 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 6574 event pairs, 3 based on Foata normal form. 6/879 useless extension candidates. Maximal degree in co-relation 11167. Up to 242 conditions per place. [2021-03-26 15:05:23,591 INFO L142 LiptonReduction]: Number of co-enabled transitions 1678 [2021-03-26 15:05:23,619 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:23,619 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:23,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 197 [2021-03-26 15:05:23,619 INFO L480 AbstractCegarLoop]: Abstraction has has 457 places, 485 transitions, 12752 flow [2021-03-26 15:05:23,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:23,619 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:23,619 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:23,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-03-26 15:05:23,619 INFO L428 AbstractCegarLoop]: === Iteration 185 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:23,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:23,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1012353088, now seen corresponding path program 2 times [2021-03-26 15:05:23,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:23,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861798479] [2021-03-26 15:05:23,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:23,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:23,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:23,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:23,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:23,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:23,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:23,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:23,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:23,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:23,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:23,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:23,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:23,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:23,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:23,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:23,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:23,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:23,710 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:23,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:23,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861798479] [2021-03-26 15:05:23,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:23,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:05:23,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324452543] [2021-03-26 15:05:23,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:05:23,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:23,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:05:23,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:05:23,713 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:23,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 485 transitions, 12752 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:23,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:23,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:23,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:24,209 INFO L129 PetriNetUnfolder]: 473/1092 cut-off events. [2021-03-26 15:05:24,209 INFO L130 PetriNetUnfolder]: For 56781/56794 co-relation queries the response was YES. [2021-03-26 15:05:24,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12890 conditions, 1092 events. 473/1092 cut-off events. For 56781/56794 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 6961 event pairs, 22 based on Foata normal form. 14/975 useless extension candidates. Maximal degree in co-relation 12686. Up to 635 conditions per place. [2021-03-26 15:05:24,224 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 389 selfloop transitions, 80 changer transitions 6/493 dead transitions. [2021-03-26 15:05:24,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 493 transitions, 13838 flow [2021-03-26 15:05:24,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:05:24,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:05:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 505 transitions. [2021-03-26 15:05:24,225 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42832909245122985 [2021-03-26 15:05:24,226 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 505 transitions. [2021-03-26 15:05:24,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 505 transitions. [2021-03-26 15:05:24,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:24,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 505 transitions. [2021-03-26 15:05:24,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 56.111111111111114) internal successors, (505), 9 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:24,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:24,227 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:24,227 INFO L185 Difference]: Start difference. First operand has 457 places, 485 transitions, 12752 flow. Second operand 9 states and 505 transitions. [2021-03-26 15:05:24,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 493 transitions, 13838 flow [2021-03-26 15:05:24,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 493 transitions, 13710 flow, removed 38 selfloop flow, removed 5 redundant places. [2021-03-26 15:05:24,581 INFO L241 Difference]: Finished difference. Result has 462 places, 480 transitions, 12778 flow [2021-03-26 15:05:24,581 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=12624, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=12778, PETRI_PLACES=462, PETRI_TRANSITIONS=480} [2021-03-26 15:05:24,581 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 409 predicate places. [2021-03-26 15:05:24,581 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:24,581 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 462 places, 480 transitions, 12778 flow [2021-03-26 15:05:24,581 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 462 places, 480 transitions, 12778 flow [2021-03-26 15:05:24,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 460 places, 480 transitions, 12778 flow [2021-03-26 15:05:24,727 INFO L129 PetriNetUnfolder]: 416/992 cut-off events. [2021-03-26 15:05:24,728 INFO L130 PetriNetUnfolder]: For 55894/55948 co-relation queries the response was YES. [2021-03-26 15:05:24,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11278 conditions, 992 events. 416/992 cut-off events. For 55894/55948 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6525 event pairs, 5 based on Foata normal form. 8/871 useless extension candidates. Maximal degree in co-relation 11090. Up to 240 conditions per place. [2021-03-26 15:05:24,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 1628 [2021-03-26 15:05:24,775 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:24,775 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:24,775 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-03-26 15:05:24,776 INFO L480 AbstractCegarLoop]: Abstraction has has 460 places, 480 transitions, 12778 flow [2021-03-26 15:05:24,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:24,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:24,776 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:24,776 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-03-26 15:05:24,776 INFO L428 AbstractCegarLoop]: === Iteration 186 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:24,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:24,776 INFO L82 PathProgramCache]: Analyzing trace with hash 904601925, now seen corresponding path program 1 times [2021-03-26 15:05:24,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:24,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039929625] [2021-03-26 15:05:24,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:24,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:24,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:24,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:24,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:24,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:24,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:24,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:24,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:24,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:24,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:24,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:24,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:24,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:24,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:24,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:24,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:24,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:24,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:24,877 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:24,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:24,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039929625] [2021-03-26 15:05:24,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:24,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:24,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563838565] [2021-03-26 15:05:24,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:24,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:24,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:24,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:24,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:24,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 480 transitions, 12778 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:24,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:24,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:24,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:25,432 INFO L129 PetriNetUnfolder]: 475/1093 cut-off events. [2021-03-26 15:05:25,432 INFO L130 PetriNetUnfolder]: For 58113/58119 co-relation queries the response was YES. [2021-03-26 15:05:25,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13127 conditions, 1093 events. 475/1093 cut-off events. For 58113/58119 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 7059 event pairs, 8 based on Foata normal form. 7/970 useless extension candidates. Maximal degree in co-relation 12937. Up to 657 conditions per place. [2021-03-26 15:05:25,450 INFO L132 encePairwiseOnDemand]: 112/131 looper letters, 399 selfloop transitions, 79 changer transitions 0/496 dead transitions. [2021-03-26 15:05:25,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 496 transitions, 14235 flow [2021-03-26 15:05:25,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:05:25,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:05:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 702 transitions. [2021-03-26 15:05:25,452 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4122137404580153 [2021-03-26 15:05:25,452 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 702 transitions. [2021-03-26 15:05:25,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 702 transitions. [2021-03-26 15:05:25,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:25,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 702 transitions. [2021-03-26 15:05:25,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.0) internal successors, (702), 13 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:25,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:25,453 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:25,453 INFO L185 Difference]: Start difference. First operand has 460 places, 480 transitions, 12778 flow. Second operand 13 states and 702 transitions. [2021-03-26 15:05:25,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 496 transitions, 14235 flow [2021-03-26 15:05:25,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 496 transitions, 13928 flow, removed 9 selfloop flow, removed 15 redundant places. [2021-03-26 15:05:25,862 INFO L241 Difference]: Finished difference. Result has 460 places, 488 transitions, 13122 flow [2021-03-26 15:05:25,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=12479, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=13122, PETRI_PLACES=460, PETRI_TRANSITIONS=488} [2021-03-26 15:05:25,863 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 407 predicate places. [2021-03-26 15:05:25,863 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:25,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 488 transitions, 13122 flow [2021-03-26 15:05:25,863 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 488 transitions, 13122 flow [2021-03-26 15:05:25,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 460 places, 488 transitions, 13122 flow [2021-03-26 15:05:26,053 INFO L129 PetriNetUnfolder]: 426/1022 cut-off events. [2021-03-26 15:05:26,053 INFO L130 PetriNetUnfolder]: For 57021/57138 co-relation queries the response was YES. [2021-03-26 15:05:26,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11615 conditions, 1022 events. 426/1022 cut-off events. For 57021/57138 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6707 event pairs, 3 based on Foata normal form. 6/894 useless extension candidates. Maximal degree in co-relation 11415. Up to 250 conditions per place. [2021-03-26 15:05:26,081 INFO L142 LiptonReduction]: Number of co-enabled transitions 1680 [2021-03-26 15:05:26,109 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:26,109 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:26,109 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 246 [2021-03-26 15:05:26,109 INFO L480 AbstractCegarLoop]: Abstraction has has 460 places, 488 transitions, 13122 flow [2021-03-26 15:05:26,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:26,109 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:26,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:26,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-03-26 15:05:26,109 INFO L428 AbstractCegarLoop]: === Iteration 187 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:26,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:26,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1971498693, now seen corresponding path program 2 times [2021-03-26 15:05:26,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:26,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050381543] [2021-03-26 15:05:26,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:26,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:26,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:26,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:26,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:26,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:26,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:26,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:26,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:26,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:26,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:26,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:26,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:26,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:26,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:26,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:26,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:26,199 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:26,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:26,213 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:26,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:26,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:26,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050381543] [2021-03-26 15:05:26,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:26,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:26,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550418637] [2021-03-26 15:05:26,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:26,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:26,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:26,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:26,216 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:26,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 488 transitions, 13122 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:26,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:26,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:26,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:26,707 INFO L129 PetriNetUnfolder]: 479/1108 cut-off events. [2021-03-26 15:05:26,707 INFO L130 PetriNetUnfolder]: For 59475/59481 co-relation queries the response was YES. [2021-03-26 15:05:26,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13226 conditions, 1108 events. 479/1108 cut-off events. For 59475/59481 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7210 event pairs, 8 based on Foata normal form. 7/981 useless extension candidates. Maximal degree in co-relation 13022. Up to 673 conditions per place. [2021-03-26 15:05:26,727 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 426 selfloop transitions, 53 changer transitions 0/497 dead transitions. [2021-03-26 15:05:26,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 497 transitions, 14376 flow [2021-03-26 15:05:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:05:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:05:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 593 transitions. [2021-03-26 15:05:26,728 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4115197779319917 [2021-03-26 15:05:26,728 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 593 transitions. [2021-03-26 15:05:26,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 593 transitions. [2021-03-26 15:05:26,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:26,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 593 transitions. [2021-03-26 15:05:26,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.90909090909091) internal successors, (593), 11 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:26,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:26,729 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:26,729 INFO L185 Difference]: Start difference. First operand has 460 places, 488 transitions, 13122 flow. Second operand 11 states and 593 transitions. [2021-03-26 15:05:26,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 497 transitions, 14376 flow [2021-03-26 15:05:27,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 497 transitions, 14166 flow, removed 80 selfloop flow, removed 6 redundant places. [2021-03-26 15:05:27,111 INFO L241 Difference]: Finished difference. Result has 466 places, 491 transitions, 13314 flow [2021-03-26 15:05:27,112 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=12912, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13314, PETRI_PLACES=466, PETRI_TRANSITIONS=491} [2021-03-26 15:05:27,112 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 413 predicate places. [2021-03-26 15:05:27,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:27,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 491 transitions, 13314 flow [2021-03-26 15:05:27,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 491 transitions, 13314 flow [2021-03-26 15:05:27,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 466 places, 491 transitions, 13314 flow [2021-03-26 15:05:27,269 INFO L129 PetriNetUnfolder]: 423/1017 cut-off events. [2021-03-26 15:05:27,269 INFO L130 PetriNetUnfolder]: For 58243/58291 co-relation queries the response was YES. [2021-03-26 15:05:27,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11757 conditions, 1017 events. 423/1017 cut-off events. For 58243/58291 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6765 event pairs, 6 based on Foata normal form. 6/892 useless extension candidates. Maximal degree in co-relation 11554. Up to 249 conditions per place. [2021-03-26 15:05:27,332 INFO L142 LiptonReduction]: Number of co-enabled transitions 1720 [2021-03-26 15:05:27,359 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:27,359 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:27,359 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-03-26 15:05:27,359 INFO L480 AbstractCegarLoop]: Abstraction has has 466 places, 491 transitions, 13314 flow [2021-03-26 15:05:27,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:27,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:27,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:27,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-03-26 15:05:27,359 INFO L428 AbstractCegarLoop]: === Iteration 188 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:27,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:27,360 INFO L82 PathProgramCache]: Analyzing trace with hash -319569557, now seen corresponding path program 3 times [2021-03-26 15:05:27,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:27,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671774708] [2021-03-26 15:05:27,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:27,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:27,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:27,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:27,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:27,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:27,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:27,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:27,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:27,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:27,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:27,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:27,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:27,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:27,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:27,441 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:27,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:27,455 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:27,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:27,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671774708] [2021-03-26 15:05:27,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:27,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:27,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428038898] [2021-03-26 15:05:27,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:27,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:27,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:27,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:27,459 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:27,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 491 transitions, 13314 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:27,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:27,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:27,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:27,981 INFO L129 PetriNetUnfolder]: 487/1134 cut-off events. [2021-03-26 15:05:27,982 INFO L130 PetriNetUnfolder]: For 62331/62337 co-relation queries the response was YES. [2021-03-26 15:05:27,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13413 conditions, 1134 events. 487/1134 cut-off events. For 62331/62337 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7460 event pairs, 6 based on Foata normal form. 7/999 useless extension candidates. Maximal degree in co-relation 13206. Up to 671 conditions per place. [2021-03-26 15:05:28,000 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 423 selfloop transitions, 62 changer transitions 0/503 dead transitions. [2021-03-26 15:05:28,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 503 transitions, 14641 flow [2021-03-26 15:05:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:28,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 649 transitions. [2021-03-26 15:05:28,001 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4128498727735369 [2021-03-26 15:05:28,001 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 649 transitions. [2021-03-26 15:05:28,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 649 transitions. [2021-03-26 15:05:28,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:28,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 649 transitions. [2021-03-26 15:05:28,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.083333333333336) internal successors, (649), 12 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:28,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:28,003 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:28,003 INFO L185 Difference]: Start difference. First operand has 466 places, 491 transitions, 13314 flow. Second operand 12 states and 649 transitions. [2021-03-26 15:05:28,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 503 transitions, 14641 flow [2021-03-26 15:05:28,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 503 transitions, 14456 flow, removed 47 selfloop flow, removed 9 redundant places. [2021-03-26 15:05:28,439 INFO L241 Difference]: Finished difference. Result has 471 places, 496 transitions, 13620 flow [2021-03-26 15:05:28,439 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13129, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13620, PETRI_PLACES=471, PETRI_TRANSITIONS=496} [2021-03-26 15:05:28,439 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 418 predicate places. [2021-03-26 15:05:28,439 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:28,440 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 496 transitions, 13620 flow [2021-03-26 15:05:28,440 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 496 transitions, 13620 flow [2021-03-26 15:05:28,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 471 places, 496 transitions, 13620 flow [2021-03-26 15:05:28,603 INFO L129 PetriNetUnfolder]: 429/1038 cut-off events. [2021-03-26 15:05:28,603 INFO L130 PetriNetUnfolder]: For 60831/60953 co-relation queries the response was YES. [2021-03-26 15:05:28,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11940 conditions, 1038 events. 429/1038 cut-off events. For 60831/60953 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6933 event pairs, 6 based on Foata normal form. 6/907 useless extension candidates. Maximal degree in co-relation 11734. Up to 252 conditions per place. [2021-03-26 15:05:28,627 INFO L142 LiptonReduction]: Number of co-enabled transitions 1760 [2021-03-26 15:05:28,655 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:28,655 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:28,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 216 [2021-03-26 15:05:28,655 INFO L480 AbstractCegarLoop]: Abstraction has has 471 places, 496 transitions, 13620 flow [2021-03-26 15:05:28,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:28,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:28,656 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:28,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-03-26 15:05:28,656 INFO L428 AbstractCegarLoop]: === Iteration 189 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:28,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:28,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1344251595, now seen corresponding path program 4 times [2021-03-26 15:05:28,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:28,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193610790] [2021-03-26 15:05:28,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:28,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:28,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:28,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:28,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:28,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:28,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:28,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:28,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:28,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:28,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:28,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:28,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:28,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:28,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:28,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:28,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:28,761 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:28,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:28,781 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:28,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:28,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:28,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193610790] [2021-03-26 15:05:28,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:28,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:28,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154988845] [2021-03-26 15:05:28,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:28,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:28,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:28,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:28,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:28,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 496 transitions, 13620 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:28,786 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:28,786 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:28,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:29,339 INFO L129 PetriNetUnfolder]: 489/1143 cut-off events. [2021-03-26 15:05:29,339 INFO L130 PetriNetUnfolder]: For 63195/63201 co-relation queries the response was YES. [2021-03-26 15:05:29,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13540 conditions, 1143 events. 489/1143 cut-off events. For 63195/63201 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7559 event pairs, 6 based on Foata normal form. 7/1006 useless extension candidates. Maximal degree in co-relation 13330. Up to 670 conditions per place. [2021-03-26 15:05:29,357 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 410 selfloop transitions, 72 changer transitions 5/505 dead transitions. [2021-03-26 15:05:29,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 505 transitions, 14795 flow [2021-03-26 15:05:29,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:05:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:05:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 694 transitions. [2021-03-26 15:05:29,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40751614797416325 [2021-03-26 15:05:29,358 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 694 transitions. [2021-03-26 15:05:29,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 694 transitions. [2021-03-26 15:05:29,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:29,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 694 transitions. [2021-03-26 15:05:29,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.38461538461539) internal successors, (694), 13 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:29,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:29,360 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:29,360 INFO L185 Difference]: Start difference. First operand has 471 places, 496 transitions, 13620 flow. Second operand 13 states and 694 transitions. [2021-03-26 15:05:29,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 505 transitions, 14795 flow [2021-03-26 15:05:29,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 505 transitions, 14563 flow, removed 87 selfloop flow, removed 7 redundant places. [2021-03-26 15:05:29,764 INFO L241 Difference]: Finished difference. Result has 479 places, 494 transitions, 13497 flow [2021-03-26 15:05:29,764 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13388, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=13497, PETRI_PLACES=479, PETRI_TRANSITIONS=494} [2021-03-26 15:05:29,764 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 426 predicate places. [2021-03-26 15:05:29,764 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:29,764 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 494 transitions, 13497 flow [2021-03-26 15:05:29,764 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 494 transitions, 13497 flow [2021-03-26 15:05:29,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 494 transitions, 13497 flow [2021-03-26 15:05:29,934 INFO L129 PetriNetUnfolder]: 436/1050 cut-off events. [2021-03-26 15:05:29,934 INFO L130 PetriNetUnfolder]: For 61020/61058 co-relation queries the response was YES. [2021-03-26 15:05:29,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12175 conditions, 1050 events. 436/1050 cut-off events. For 61020/61058 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6984 event pairs, 9 based on Foata normal form. 4/918 useless extension candidates. Maximal degree in co-relation 11965. Up to 249 conditions per place. [2021-03-26 15:05:29,957 INFO L142 LiptonReduction]: Number of co-enabled transitions 1720 [2021-03-26 15:05:29,985 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:29,985 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:29,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 221 [2021-03-26 15:05:29,986 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 494 transitions, 13497 flow [2021-03-26 15:05:29,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:29,986 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:29,986 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:29,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-03-26 15:05:29,986 INFO L428 AbstractCegarLoop]: === Iteration 190 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:29,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:29,986 INFO L82 PathProgramCache]: Analyzing trace with hash 935174177, now seen corresponding path program 5 times [2021-03-26 15:05:29,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:29,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955126170] [2021-03-26 15:05:29,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:29,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:29,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:29,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:29,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:30,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:30,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:30,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:30,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:30,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:30,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:30,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:30,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:30,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:30,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:30,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:30,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:30,070 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:30,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:30,084 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:30,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:30,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955126170] [2021-03-26 15:05:30,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:30,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:30,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252330443] [2021-03-26 15:05:30,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:30,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:30,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:30,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:30,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:30,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 494 transitions, 13497 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:30,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:30,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:30,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:30,610 INFO L129 PetriNetUnfolder]: 477/1108 cut-off events. [2021-03-26 15:05:30,610 INFO L130 PetriNetUnfolder]: For 61261/61276 co-relation queries the response was YES. [2021-03-26 15:05:30,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13463 conditions, 1108 events. 477/1108 cut-off events. For 61261/61276 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 7166 event pairs, 11 based on Foata normal form. 12/987 useless extension candidates. Maximal degree in co-relation 13249. Up to 683 conditions per place. [2021-03-26 15:05:30,628 INFO L132 encePairwiseOnDemand]: 116/131 looper letters, 424 selfloop transitions, 52 changer transitions 6/500 dead transitions. [2021-03-26 15:05:30,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 500 transitions, 14582 flow [2021-03-26 15:05:30,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:05:30,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:05:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 588 transitions. [2021-03-26 15:05:30,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4080499653018737 [2021-03-26 15:05:30,629 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 588 transitions. [2021-03-26 15:05:30,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 588 transitions. [2021-03-26 15:05:30,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:30,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 588 transitions. [2021-03-26 15:05:30,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.45454545454545) internal successors, (588), 11 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:30,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:30,630 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:30,630 INFO L185 Difference]: Start difference. First operand has 479 places, 494 transitions, 13497 flow. Second operand 11 states and 588 transitions. [2021-03-26 15:05:30,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 500 transitions, 14582 flow [2021-03-26 15:05:31,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 500 transitions, 14367 flow, removed 8 selfloop flow, removed 16 redundant places. [2021-03-26 15:05:31,009 INFO L241 Difference]: Finished difference. Result has 475 places, 489 transitions, 13259 flow [2021-03-26 15:05:31,009 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13286, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13259, PETRI_PLACES=475, PETRI_TRANSITIONS=489} [2021-03-26 15:05:31,009 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 422 predicate places. [2021-03-26 15:05:31,009 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:31,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 475 places, 489 transitions, 13259 flow [2021-03-26 15:05:31,009 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 475 places, 489 transitions, 13259 flow [2021-03-26 15:05:31,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 489 transitions, 13259 flow [2021-03-26 15:05:31,165 INFO L129 PetriNetUnfolder]: 416/1000 cut-off events. [2021-03-26 15:05:31,165 INFO L130 PetriNetUnfolder]: For 58244/58293 co-relation queries the response was YES. [2021-03-26 15:05:31,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11662 conditions, 1000 events. 416/1000 cut-off events. For 58244/58293 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6616 event pairs, 5 based on Foata normal form. 7/878 useless extension candidates. Maximal degree in co-relation 11454. Up to 243 conditions per place. [2021-03-26 15:05:31,187 INFO L142 LiptonReduction]: Number of co-enabled transitions 1666 [2021-03-26 15:05:31,214 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:31,214 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:31,214 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 205 [2021-03-26 15:05:31,214 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 489 transitions, 13259 flow [2021-03-26 15:05:31,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:31,215 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:31,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:31,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-03-26 15:05:31,215 INFO L428 AbstractCegarLoop]: === Iteration 191 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:31,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:31,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1887831891, now seen corresponding path program 6 times [2021-03-26 15:05:31,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:31,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212467716] [2021-03-26 15:05:31,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:31,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:31,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:31,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:31,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:31,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:31,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:31,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:31,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:31,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:31,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:31,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:31,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:31,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:31,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:31,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:31,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:31,297 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:31,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:31,311 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:31,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:31,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212467716] [2021-03-26 15:05:31,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:31,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:31,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026350345] [2021-03-26 15:05:31,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:31,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:31,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:31,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:31,314 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:31,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 489 transitions, 13259 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:31,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:31,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:31,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:31,905 INFO L129 PetriNetUnfolder]: 480/1112 cut-off events. [2021-03-26 15:05:31,905 INFO L130 PetriNetUnfolder]: For 61844/61848 co-relation queries the response was YES. [2021-03-26 15:05:31,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13408 conditions, 1112 events. 480/1112 cut-off events. For 61844/61848 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 7144 event pairs, 11 based on Foata normal form. 5/980 useless extension candidates. Maximal degree in co-relation 13196. Up to 674 conditions per place. [2021-03-26 15:05:31,923 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 418 selfloop transitions, 66 changer transitions 0/502 dead transitions. [2021-03-26 15:05:31,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 502 transitions, 14621 flow [2021-03-26 15:05:31,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:05:31,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:05:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 697 transitions. [2021-03-26 15:05:31,924 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4092777451556078 [2021-03-26 15:05:31,924 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 697 transitions. [2021-03-26 15:05:31,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 697 transitions. [2021-03-26 15:05:31,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:31,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 697 transitions. [2021-03-26 15:05:31,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.61538461538461) internal successors, (697), 13 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:31,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:31,926 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:31,926 INFO L185 Difference]: Start difference. First operand has 474 places, 489 transitions, 13259 flow. Second operand 13 states and 697 transitions. [2021-03-26 15:05:31,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 502 transitions, 14621 flow [2021-03-26 15:05:32,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 502 transitions, 14390 flow, removed 9 selfloop flow, removed 16 redundant places. [2021-03-26 15:05:32,351 INFO L241 Difference]: Finished difference. Result has 473 places, 496 transitions, 13565 flow [2021-03-26 15:05:32,351 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13036, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=489, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=13565, PETRI_PLACES=473, PETRI_TRANSITIONS=496} [2021-03-26 15:05:32,351 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 420 predicate places. [2021-03-26 15:05:32,351 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:32,351 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 473 places, 496 transitions, 13565 flow [2021-03-26 15:05:32,352 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 473 places, 496 transitions, 13565 flow [2021-03-26 15:05:32,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 473 places, 496 transitions, 13565 flow [2021-03-26 15:05:32,514 INFO L129 PetriNetUnfolder]: 424/1024 cut-off events. [2021-03-26 15:05:32,514 INFO L130 PetriNetUnfolder]: For 56729/56777 co-relation queries the response was YES. [2021-03-26 15:05:32,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11850 conditions, 1024 events. 424/1024 cut-off events. For 56729/56777 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6782 event pairs, 3 based on Foata normal form. 6/896 useless extension candidates. Maximal degree in co-relation 11644. Up to 249 conditions per place. [2021-03-26 15:05:32,536 INFO L142 LiptonReduction]: Number of co-enabled transitions 1700 [2021-03-26 15:05:32,564 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:32,564 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:32,564 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 213 [2021-03-26 15:05:32,565 INFO L480 AbstractCegarLoop]: Abstraction has has 473 places, 496 transitions, 13565 flow [2021-03-26 15:05:32,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:32,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:32,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:32,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-03-26 15:05:32,565 INFO L428 AbstractCegarLoop]: === Iteration 192 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:32,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:32,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1701810189, now seen corresponding path program 7 times [2021-03-26 15:05:32,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:32,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176582996] [2021-03-26 15:05:32,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:32,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:32,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:32,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:32,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:32,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:32,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:32,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:32,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:32,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:32,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:32,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:32,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:32,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:32,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:32,667 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:05:32,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:05:32,680 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:32,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:32,694 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:32,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:32,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176582996] [2021-03-26 15:05:32,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:32,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:32,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140235430] [2021-03-26 15:05:32,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:32,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:32,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:32,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:32,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:32,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 496 transitions, 13565 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:32,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:32,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:32,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:33,251 INFO L129 PetriNetUnfolder]: 482/1128 cut-off events. [2021-03-26 15:05:33,252 INFO L130 PetriNetUnfolder]: For 61223/61227 co-relation queries the response was YES. [2021-03-26 15:05:33,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13448 conditions, 1128 events. 482/1128 cut-off events. For 61223/61227 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 7386 event pairs, 23 based on Foata normal form. 5/993 useless extension candidates. Maximal degree in co-relation 13238. Up to 663 conditions per place. [2021-03-26 15:05:33,270 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 412 selfloop transitions, 73 changer transitions 3/506 dead transitions. [2021-03-26 15:05:33,270 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 506 transitions, 14800 flow [2021-03-26 15:05:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 646 transitions. [2021-03-26 15:05:33,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.410941475826972 [2021-03-26 15:05:33,272 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 646 transitions. [2021-03-26 15:05:33,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 646 transitions. [2021-03-26 15:05:33,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:33,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 646 transitions. [2021-03-26 15:05:33,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.833333333333336) internal successors, (646), 12 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:33,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:33,273 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:33,273 INFO L185 Difference]: Start difference. First operand has 473 places, 496 transitions, 13565 flow. Second operand 12 states and 646 transitions. [2021-03-26 15:05:33,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 506 transitions, 14800 flow [2021-03-26 15:05:33,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 506 transitions, 14473 flow, removed 134 selfloop flow, removed 7 redundant places. [2021-03-26 15:05:33,676 INFO L241 Difference]: Finished difference. Result has 480 places, 498 transitions, 13503 flow [2021-03-26 15:05:33,676 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13238, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13503, PETRI_PLACES=480, PETRI_TRANSITIONS=498} [2021-03-26 15:05:33,676 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 427 predicate places. [2021-03-26 15:05:33,676 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:33,676 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 480 places, 498 transitions, 13503 flow [2021-03-26 15:05:33,676 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 480 places, 498 transitions, 13503 flow [2021-03-26 15:05:33,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 480 places, 498 transitions, 13503 flow [2021-03-26 15:05:33,846 INFO L129 PetriNetUnfolder]: 419/1017 cut-off events. [2021-03-26 15:05:33,846 INFO L130 PetriNetUnfolder]: For 56573/56621 co-relation queries the response was YES. [2021-03-26 15:05:33,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11804 conditions, 1017 events. 419/1017 cut-off events. For 56573/56621 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6738 event pairs, 7 based on Foata normal form. 6/892 useless extension candidates. Maximal degree in co-relation 11594. Up to 243 conditions per place. [2021-03-26 15:05:33,868 INFO L142 LiptonReduction]: Number of co-enabled transitions 1700 [2021-03-26 15:05:33,896 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:33,896 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:33,896 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-03-26 15:05:33,896 INFO L480 AbstractCegarLoop]: Abstraction has has 480 places, 498 transitions, 13503 flow [2021-03-26 15:05:33,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:33,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:33,896 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:33,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-03-26 15:05:33,897 INFO L428 AbstractCegarLoop]: === Iteration 193 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:33,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:33,897 INFO L82 PathProgramCache]: Analyzing trace with hash -191098737, now seen corresponding path program 1 times [2021-03-26 15:05:33,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:33,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589242083] [2021-03-26 15:05:33,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:33,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:33,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:33,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:33,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:33,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:33,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:33,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:33,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:33,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:33,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:33,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:33,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:33,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:33,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:33,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:33,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:33,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:33,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:33,977 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:33,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:33,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589242083] [2021-03-26 15:05:33,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:33,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:05:33,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808129131] [2021-03-26 15:05:33,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:05:33,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:33,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:05:33,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:05:33,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:33,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 498 transitions, 13503 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:33,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:33,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:33,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:34,448 INFO L129 PetriNetUnfolder]: 481/1127 cut-off events. [2021-03-26 15:05:34,448 INFO L130 PetriNetUnfolder]: For 61230/61236 co-relation queries the response was YES. [2021-03-26 15:05:34,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13380 conditions, 1127 events. 481/1127 cut-off events. For 61230/61236 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 7416 event pairs, 7 based on Foata normal form. 7/993 useless extension candidates. Maximal degree in co-relation 13166. Up to 635 conditions per place. [2021-03-26 15:05:34,466 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 381 selfloop transitions, 100 changer transitions 6/505 dead transitions. [2021-03-26 15:05:34,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 505 transitions, 14611 flow [2021-03-26 15:05:34,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:05:34,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:05:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 500 transitions. [2021-03-26 15:05:34,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42408821034775235 [2021-03-26 15:05:34,467 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 500 transitions. [2021-03-26 15:05:34,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 500 transitions. [2021-03-26 15:05:34,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:34,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 500 transitions. [2021-03-26 15:05:34,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 55.55555555555556) internal successors, (500), 9 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:34,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:34,468 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 131.0) internal successors, (1310), 10 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:34,468 INFO L185 Difference]: Start difference. First operand has 480 places, 498 transitions, 13503 flow. Second operand 9 states and 500 transitions. [2021-03-26 15:05:34,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 505 transitions, 14611 flow [2021-03-26 15:05:34,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 505 transitions, 14450 flow, removed 36 selfloop flow, removed 9 redundant places. [2021-03-26 15:05:34,842 INFO L241 Difference]: Finished difference. Result has 481 places, 493 transitions, 13571 flow [2021-03-26 15:05:34,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13342, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13571, PETRI_PLACES=481, PETRI_TRANSITIONS=493} [2021-03-26 15:05:34,842 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 428 predicate places. [2021-03-26 15:05:34,842 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:34,842 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 481 places, 493 transitions, 13571 flow [2021-03-26 15:05:34,842 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 481 places, 493 transitions, 13571 flow [2021-03-26 15:05:34,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 479 places, 493 transitions, 13571 flow [2021-03-26 15:05:35,004 INFO L129 PetriNetUnfolder]: 415/1006 cut-off events. [2021-03-26 15:05:35,004 INFO L130 PetriNetUnfolder]: For 57664/57713 co-relation queries the response was YES. [2021-03-26 15:05:35,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11831 conditions, 1006 events. 415/1006 cut-off events. For 57664/57713 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6689 event pairs, 5 based on Foata normal form. 7/885 useless extension candidates. Maximal degree in co-relation 11620. Up to 236 conditions per place. [2021-03-26 15:05:35,026 INFO L142 LiptonReduction]: Number of co-enabled transitions 1650 [2021-03-26 15:05:35,053 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:35,053 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:35,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 211 [2021-03-26 15:05:35,054 INFO L480 AbstractCegarLoop]: Abstraction has has 479 places, 493 transitions, 13571 flow [2021-03-26 15:05:35,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:35,054 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:35,054 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:35,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-03-26 15:05:35,054 INFO L428 AbstractCegarLoop]: === Iteration 194 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:35,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:35,054 INFO L82 PathProgramCache]: Analyzing trace with hash -321746489, now seen corresponding path program 8 times [2021-03-26 15:05:35,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:35,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123557059] [2021-03-26 15:05:35,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:35,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:35,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:35,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:35,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:35,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:35,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:35,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:35,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:35,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:35,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:35,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:35,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:35,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:35,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:35,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:35,135 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:35,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:35,150 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:35,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:35,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123557059] [2021-03-26 15:05:35,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:35,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:35,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264674570] [2021-03-26 15:05:35,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:35,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:35,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:35,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:35,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:35,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 493 transitions, 13571 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:35,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:35,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:35,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:35,673 INFO L129 PetriNetUnfolder]: 474/1110 cut-off events. [2021-03-26 15:05:35,674 INFO L130 PetriNetUnfolder]: For 61764/61779 co-relation queries the response was YES. [2021-03-26 15:05:35,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13528 conditions, 1110 events. 474/1110 cut-off events. For 61764/61779 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7198 event pairs, 13 based on Foata normal form. 16/992 useless extension candidates. Maximal degree in co-relation 13313. Up to 660 conditions per place. [2021-03-26 15:05:35,692 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 421 selfloop transitions, 65 changer transitions 0/504 dead transitions. [2021-03-26 15:05:35,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 504 transitions, 14826 flow [2021-03-26 15:05:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:35,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:35,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 643 transitions. [2021-03-26 15:05:35,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40903307888040713 [2021-03-26 15:05:35,694 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 643 transitions. [2021-03-26 15:05:35,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 643 transitions. [2021-03-26 15:05:35,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:35,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 643 transitions. [2021-03-26 15:05:35,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.583333333333336) internal successors, (643), 12 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:35,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:35,695 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:35,695 INFO L185 Difference]: Start difference. First operand has 479 places, 493 transitions, 13571 flow. Second operand 12 states and 643 transitions. [2021-03-26 15:05:35,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 504 transitions, 14826 flow [2021-03-26 15:05:36,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 504 transitions, 14319 flow, removed 40 selfloop flow, removed 16 redundant places. [2021-03-26 15:05:36,096 INFO L241 Difference]: Finished difference. Result has 477 places, 495 transitions, 13395 flow [2021-03-26 15:05:36,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13074, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=493, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13395, PETRI_PLACES=477, PETRI_TRANSITIONS=495} [2021-03-26 15:05:36,097 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 424 predicate places. [2021-03-26 15:05:36,097 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:36,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 477 places, 495 transitions, 13395 flow [2021-03-26 15:05:36,097 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 477 places, 495 transitions, 13395 flow [2021-03-26 15:05:36,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 495 transitions, 13395 flow [2021-03-26 15:05:36,259 INFO L129 PetriNetUnfolder]: 423/1034 cut-off events. [2021-03-26 15:05:36,260 INFO L130 PetriNetUnfolder]: For 57169/57217 co-relation queries the response was YES. [2021-03-26 15:05:36,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11648 conditions, 1034 events. 423/1034 cut-off events. For 57169/57217 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 6957 event pairs, 9 based on Foata normal form. 6/904 useless extension candidates. Maximal degree in co-relation 11440. Up to 241 conditions per place. [2021-03-26 15:05:36,283 INFO L142 LiptonReduction]: Number of co-enabled transitions 1676 [2021-03-26 15:05:36,311 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:36,311 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:36,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 214 [2021-03-26 15:05:36,311 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 495 transitions, 13395 flow [2021-03-26 15:05:36,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:36,311 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:36,311 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:36,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-03-26 15:05:36,312 INFO L428 AbstractCegarLoop]: === Iteration 195 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:36,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:36,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1326107885, now seen corresponding path program 9 times [2021-03-26 15:05:36,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:36,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432734753] [2021-03-26 15:05:36,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:36,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:36,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:36,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:36,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:36,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:36,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:36,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:36,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:36,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:36,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:36,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:36,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:36,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:36,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:36,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:36,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:36,410 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:36,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:36,421 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:36,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:36,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432734753] [2021-03-26 15:05:36,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:36,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:05:36,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374331332] [2021-03-26 15:05:36,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:05:36,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:36,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:05:36,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:05:36,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:36,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 495 transitions, 13395 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:36,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:36,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:36,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:36,911 INFO L129 PetriNetUnfolder]: 484/1144 cut-off events. [2021-03-26 15:05:36,911 INFO L130 PetriNetUnfolder]: For 59977/59983 co-relation queries the response was YES. [2021-03-26 15:05:36,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13466 conditions, 1144 events. 484/1144 cut-off events. For 59977/59983 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7525 event pairs, 9 based on Foata normal form. 7/1009 useless extension candidates. Maximal degree in co-relation 13254. Up to 700 conditions per place. [2021-03-26 15:05:36,929 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 449 selfloop transitions, 40 changer transitions 0/507 dead transitions. [2021-03-26 15:05:36,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 507 transitions, 14926 flow [2021-03-26 15:05:36,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:05:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:05:36,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 585 transitions. [2021-03-26 15:05:36,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4059680777238029 [2021-03-26 15:05:36,930 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 585 transitions. [2021-03-26 15:05:36,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 585 transitions. [2021-03-26 15:05:36,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:36,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 585 transitions. [2021-03-26 15:05:36,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.18181818181818) internal successors, (585), 11 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:36,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:36,932 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:36,932 INFO L185 Difference]: Start difference. First operand has 477 places, 495 transitions, 13395 flow. Second operand 11 states and 585 transitions. [2021-03-26 15:05:36,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 507 transitions, 14926 flow [2021-03-26 15:05:37,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 507 transitions, 14781 flow, removed 29 selfloop flow, removed 8 redundant places. [2021-03-26 15:05:37,368 INFO L241 Difference]: Finished difference. Result has 481 places, 502 transitions, 13803 flow [2021-03-26 15:05:37,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13250, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13803, PETRI_PLACES=481, PETRI_TRANSITIONS=502} [2021-03-26 15:05:37,368 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 428 predicate places. [2021-03-26 15:05:37,368 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:37,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 481 places, 502 transitions, 13803 flow [2021-03-26 15:05:37,368 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 481 places, 502 transitions, 13803 flow [2021-03-26 15:05:37,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 481 places, 502 transitions, 13803 flow [2021-03-26 15:05:37,545 INFO L129 PetriNetUnfolder]: 434/1069 cut-off events. [2021-03-26 15:05:37,546 INFO L130 PetriNetUnfolder]: For 60833/60887 co-relation queries the response was YES. [2021-03-26 15:05:37,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11992 conditions, 1069 events. 434/1069 cut-off events. For 60833/60887 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7311 event pairs, 3 based on Foata normal form. 6/930 useless extension candidates. Maximal degree in co-relation 11782. Up to 249 conditions per place. [2021-03-26 15:05:37,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 1724 [2021-03-26 15:05:37,602 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:37,602 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:37,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 234 [2021-03-26 15:05:37,603 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 502 transitions, 13803 flow [2021-03-26 15:05:37,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:37,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:37,603 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:37,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-03-26 15:05:37,603 INFO L428 AbstractCegarLoop]: === Iteration 196 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:37,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:37,603 INFO L82 PathProgramCache]: Analyzing trace with hash -579696637, now seen corresponding path program 10 times [2021-03-26 15:05:37,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:37,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115556570] [2021-03-26 15:05:37,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:37,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:37,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:37,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:37,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:37,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:37,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:37,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:37,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:37,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:37,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:37,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:37,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:37,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:37,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:37,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:37,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:37,691 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:37,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:37,699 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:37,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:37,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115556570] [2021-03-26 15:05:37,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:37,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:05:37,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315789652] [2021-03-26 15:05:37,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:05:37,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:37,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:05:37,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:05:37,704 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:37,704 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 502 transitions, 13803 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:37,704 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:37,704 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:37,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:38,202 INFO L129 PetriNetUnfolder]: 494/1179 cut-off events. [2021-03-26 15:05:38,202 INFO L130 PetriNetUnfolder]: For 64390/64403 co-relation queries the response was YES. [2021-03-26 15:05:38,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13746 conditions, 1179 events. 494/1179 cut-off events. For 64390/64403 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7868 event pairs, 21 based on Foata normal form. 10/1039 useless extension candidates. Maximal degree in co-relation 13532. Up to 710 conditions per place. [2021-03-26 15:05:38,222 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 456 selfloop transitions, 41 changer transitions 0/515 dead transitions. [2021-03-26 15:05:38,222 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 515 transitions, 15245 flow [2021-03-26 15:05:38,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:05:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:05:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 585 transitions. [2021-03-26 15:05:38,223 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4059680777238029 [2021-03-26 15:05:38,223 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 585 transitions. [2021-03-26 15:05:38,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 585 transitions. [2021-03-26 15:05:38,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:38,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 585 transitions. [2021-03-26 15:05:38,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.18181818181818) internal successors, (585), 11 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:38,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:38,224 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 131.0) internal successors, (1572), 12 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:38,224 INFO L185 Difference]: Start difference. First operand has 481 places, 502 transitions, 13803 flow. Second operand 11 states and 585 transitions. [2021-03-26 15:05:38,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 515 transitions, 15245 flow [2021-03-26 15:05:38,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 515 transitions, 14603 flow, removed 292 selfloop flow, removed 8 redundant places. [2021-03-26 15:05:38,691 INFO L241 Difference]: Finished difference. Result has 486 places, 510 transitions, 13624 flow [2021-03-26 15:05:38,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13207, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13624, PETRI_PLACES=486, PETRI_TRANSITIONS=510} [2021-03-26 15:05:38,691 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 433 predicate places. [2021-03-26 15:05:38,691 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:38,691 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 486 places, 510 transitions, 13624 flow [2021-03-26 15:05:38,691 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 486 places, 510 transitions, 13624 flow [2021-03-26 15:05:38,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 510 transitions, 13624 flow [2021-03-26 15:05:38,894 INFO L129 PetriNetUnfolder]: 439/1092 cut-off events. [2021-03-26 15:05:38,894 INFO L130 PetriNetUnfolder]: For 60478/60526 co-relation queries the response was YES. [2021-03-26 15:05:38,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12008 conditions, 1092 events. 439/1092 cut-off events. For 60478/60526 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7525 event pairs, 9 based on Foata normal form. 6/950 useless extension candidates. Maximal degree in co-relation 11797. Up to 249 conditions per place. [2021-03-26 15:05:38,919 INFO L142 LiptonReduction]: Number of co-enabled transitions 1754 [2021-03-26 15:05:38,949 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:38,949 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:38,949 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 258 [2021-03-26 15:05:38,949 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 510 transitions, 13624 flow [2021-03-26 15:05:38,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:38,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:38,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:38,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-03-26 15:05:38,949 INFO L428 AbstractCegarLoop]: === Iteration 197 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:38,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:38,949 INFO L82 PathProgramCache]: Analyzing trace with hash -74807673, now seen corresponding path program 11 times [2021-03-26 15:05:38,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:38,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651790584] [2021-03-26 15:05:38,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:38,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:38,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:38,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:38,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:38,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:38,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:38,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:38,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:38,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:38,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:38,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:39,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:39,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:39,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:39,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:39,031 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:39,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:39,045 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:39,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:39,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:39,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651790584] [2021-03-26 15:05:39,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:39,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:39,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219235418] [2021-03-26 15:05:39,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:39,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:39,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:39,048 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:39,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 510 transitions, 13624 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:39,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:39,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:39,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:39,690 INFO L129 PetriNetUnfolder]: 501/1205 cut-off events. [2021-03-26 15:05:39,691 INFO L130 PetriNetUnfolder]: For 63677/63683 co-relation queries the response was YES. [2021-03-26 15:05:39,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13712 conditions, 1205 events. 501/1205 cut-off events. For 63677/63683 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8147 event pairs, 8 based on Foata normal form. 7/1054 useless extension candidates. Maximal degree in co-relation 13497. Up to 642 conditions per place. [2021-03-26 15:05:39,711 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 380 selfloop transitions, 122 changer transitions 3/523 dead transitions. [2021-03-26 15:05:39,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 523 transitions, 14968 flow [2021-03-26 15:05:39,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 652 transitions. [2021-03-26 15:05:39,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41475826972010177 [2021-03-26 15:05:39,712 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 652 transitions. [2021-03-26 15:05:39,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 652 transitions. [2021-03-26 15:05:39,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:39,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 652 transitions. [2021-03-26 15:05:39,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.333333333333336) internal successors, (652), 12 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:39,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:39,714 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:39,714 INFO L185 Difference]: Start difference. First operand has 486 places, 510 transitions, 13624 flow. Second operand 12 states and 652 transitions. [2021-03-26 15:05:39,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 523 transitions, 14968 flow [2021-03-26 15:05:40,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 523 transitions, 14718 flow, removed 87 selfloop flow, removed 8 redundant places. [2021-03-26 15:05:40,208 INFO L241 Difference]: Finished difference. Result has 492 places, 509 transitions, 13768 flow [2021-03-26 15:05:40,208 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13374, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13768, PETRI_PLACES=492, PETRI_TRANSITIONS=509} [2021-03-26 15:05:40,208 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 439 predicate places. [2021-03-26 15:05:40,208 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:40,209 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 492 places, 509 transitions, 13768 flow [2021-03-26 15:05:40,209 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 492 places, 509 transitions, 13768 flow [2021-03-26 15:05:40,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 492 places, 509 transitions, 13768 flow [2021-03-26 15:05:40,388 INFO L129 PetriNetUnfolder]: 441/1111 cut-off events. [2021-03-26 15:05:40,388 INFO L130 PetriNetUnfolder]: For 62115/62164 co-relation queries the response was YES. [2021-03-26 15:05:40,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12147 conditions, 1111 events. 441/1111 cut-off events. For 62115/62164 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 7795 event pairs, 5 based on Foata normal form. 7/962 useless extension candidates. Maximal degree in co-relation 11933. Up to 250 conditions per place. [2021-03-26 15:05:40,413 INFO L142 LiptonReduction]: Number of co-enabled transitions 1770 [2021-03-26 15:05:40,442 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:40,442 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:40,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 234 [2021-03-26 15:05:40,442 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 509 transitions, 13768 flow [2021-03-26 15:05:40,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:40,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:40,442 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:40,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-03-26 15:05:40,443 INFO L428 AbstractCegarLoop]: === Iteration 198 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:40,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:40,443 INFO L82 PathProgramCache]: Analyzing trace with hash -911320197, now seen corresponding path program 12 times [2021-03-26 15:05:40,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:40,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774126725] [2021-03-26 15:05:40,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:40,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:40,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:40,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:40,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:40,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:40,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:40,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:40,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:40,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:40,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:40,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:40,511 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:05:40,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:05:40,531 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:40,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:40,545 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:40,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:40,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:40,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774126725] [2021-03-26 15:05:40,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:40,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:40,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127510622] [2021-03-26 15:05:40,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:40,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:40,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:40,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:40,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:40,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 509 transitions, 13768 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:40,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:40,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:40,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:41,095 INFO L129 PetriNetUnfolder]: 498/1206 cut-off events. [2021-03-26 15:05:41,096 INFO L130 PetriNetUnfolder]: For 64060/64066 co-relation queries the response was YES. [2021-03-26 15:05:41,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13813 conditions, 1206 events. 498/1206 cut-off events. For 64060/64066 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 8177 event pairs, 9 based on Foata normal form. 7/1055 useless extension candidates. Maximal degree in co-relation 13595. Up to 678 conditions per place. [2021-03-26 15:05:41,116 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 420 selfloop transitions, 77 changer transitions 3/518 dead transitions. [2021-03-26 15:05:41,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 518 transitions, 14935 flow [2021-03-26 15:05:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 645 transitions. [2021-03-26 15:05:41,117 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41030534351145037 [2021-03-26 15:05:41,117 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 645 transitions. [2021-03-26 15:05:41,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 645 transitions. [2021-03-26 15:05:41,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:41,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 645 transitions. [2021-03-26 15:05:41,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.75) internal successors, (645), 12 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:41,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:41,118 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:41,118 INFO L185 Difference]: Start difference. First operand has 492 places, 509 transitions, 13768 flow. Second operand 12 states and 645 transitions. [2021-03-26 15:05:41,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 518 transitions, 14935 flow [2021-03-26 15:05:41,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 518 transitions, 14696 flow, removed 31 selfloop flow, removed 12 redundant places. [2021-03-26 15:05:41,576 INFO L241 Difference]: Finished difference. Result has 493 places, 507 transitions, 13646 flow [2021-03-26 15:05:41,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13531, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13646, PETRI_PLACES=493, PETRI_TRANSITIONS=507} [2021-03-26 15:05:41,577 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 440 predicate places. [2021-03-26 15:05:41,577 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:41,577 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 493 places, 507 transitions, 13646 flow [2021-03-26 15:05:41,577 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 493 places, 507 transitions, 13646 flow [2021-03-26 15:05:41,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 507 transitions, 13646 flow [2021-03-26 15:05:41,756 INFO L129 PetriNetUnfolder]: 444/1118 cut-off events. [2021-03-26 15:05:41,756 INFO L130 PetriNetUnfolder]: For 60447/60493 co-relation queries the response was YES. [2021-03-26 15:05:41,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12176 conditions, 1118 events. 444/1118 cut-off events. For 60447/60493 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 7849 event pairs, 6 based on Foata normal form. 5/967 useless extension candidates. Maximal degree in co-relation 11963. Up to 250 conditions per place. [2021-03-26 15:05:41,782 INFO L142 LiptonReduction]: Number of co-enabled transitions 1770 [2021-03-26 15:05:41,811 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:41,811 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:41,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 234 [2021-03-26 15:05:41,811 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 507 transitions, 13646 flow [2021-03-26 15:05:41,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:41,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:41,811 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:41,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-03-26 15:05:41,811 INFO L428 AbstractCegarLoop]: === Iteration 199 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:41,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:41,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1679946977, now seen corresponding path program 13 times [2021-03-26 15:05:41,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:41,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607234996] [2021-03-26 15:05:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:41,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:41,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:41,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:41,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:41,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:41,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:41,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:41,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:41,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:41,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:41,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:41,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:41,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:41,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:41,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:41,918 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:41,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:41,937 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:41,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:41,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607234996] [2021-03-26 15:05:41,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:41,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:41,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864982735] [2021-03-26 15:05:41,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:41,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:41,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:41,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:41,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:41,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 507 transitions, 13646 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:41,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:41,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:41,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:42,557 INFO L129 PetriNetUnfolder]: 494/1190 cut-off events. [2021-03-26 15:05:42,558 INFO L130 PetriNetUnfolder]: For 62004/62010 co-relation queries the response was YES. [2021-03-26 15:05:42,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13644 conditions, 1190 events. 494/1190 cut-off events. For 62004/62010 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8026 event pairs, 9 based on Foata normal form. 7/1043 useless extension candidates. Maximal degree in co-relation 13427. Up to 687 conditions per place. [2021-03-26 15:05:42,577 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 440 selfloop transitions, 51 changer transitions 7/516 dead transitions. [2021-03-26 15:05:42,577 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 516 transitions, 14810 flow [2021-03-26 15:05:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:05:42,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:05:42,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 15:05:42,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40692894891368175 [2021-03-26 15:05:42,578 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 15:05:42,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 15:05:42,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:42,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 15:05:42,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:42,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:42,580 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:42,580 INFO L185 Difference]: Start difference. First operand has 493 places, 507 transitions, 13646 flow. Second operand 13 states and 693 transitions. [2021-03-26 15:05:42,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 516 transitions, 14810 flow [2021-03-26 15:05:43,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 516 transitions, 14642 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-26 15:05:43,031 INFO L241 Difference]: Finished difference. Result has 494 places, 502 transitions, 13473 flow [2021-03-26 15:05:43,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13480, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=13473, PETRI_PLACES=494, PETRI_TRANSITIONS=502} [2021-03-26 15:05:43,031 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 441 predicate places. [2021-03-26 15:05:43,031 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:43,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 502 transitions, 13473 flow [2021-03-26 15:05:43,032 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 502 transitions, 13473 flow [2021-03-26 15:05:43,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 502 transitions, 13473 flow [2021-03-26 15:05:43,248 INFO L129 PetriNetUnfolder]: 438/1090 cut-off events. [2021-03-26 15:05:43,249 INFO L130 PetriNetUnfolder]: For 58584/58632 co-relation queries the response was YES. [2021-03-26 15:05:43,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11976 conditions, 1090 events. 438/1090 cut-off events. For 58584/58632 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7523 event pairs, 9 based on Foata normal form. 6/945 useless extension candidates. Maximal degree in co-relation 11763. Up to 245 conditions per place. [2021-03-26 15:05:43,275 INFO L142 LiptonReduction]: Number of co-enabled transitions 1742 [2021-03-26 15:05:43,302 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:43,302 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:43,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 271 [2021-03-26 15:05:43,302 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 502 transitions, 13473 flow [2021-03-26 15:05:43,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:43,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:43,303 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:43,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-03-26 15:05:43,303 INFO L428 AbstractCegarLoop]: === Iteration 200 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:43,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:43,303 INFO L82 PathProgramCache]: Analyzing trace with hash 781912315, now seen corresponding path program 14 times [2021-03-26 15:05:43,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:43,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240557262] [2021-03-26 15:05:43,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:43,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:43,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:43,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:43,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:43,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:43,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:43,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:43,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:43,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:43,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:43,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:43,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:43,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:43,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:43,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:43,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:43,385 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:05:43,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:43,399 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:43,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:43,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:43,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240557262] [2021-03-26 15:05:43,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:43,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:43,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001695378] [2021-03-26 15:05:43,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:43,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:43,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:43,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:43,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:43,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 502 transitions, 13473 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:43,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:43,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:43,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:43,912 INFO L129 PetriNetUnfolder]: 492/1186 cut-off events. [2021-03-26 15:05:43,913 INFO L130 PetriNetUnfolder]: For 62624/62630 co-relation queries the response was YES. [2021-03-26 15:05:43,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13626 conditions, 1186 events. 492/1186 cut-off events. For 62624/62630 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7995 event pairs, 10 based on Foata normal form. 7/1040 useless extension candidates. Maximal degree in co-relation 13409. Up to 693 conditions per place. [2021-03-26 15:05:43,932 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 442 selfloop transitions, 47 changer transitions 2/509 dead transitions. [2021-03-26 15:05:43,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 509 transitions, 14695 flow [2021-03-26 15:05:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:43,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 636 transitions. [2021-03-26 15:05:43,933 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40458015267175573 [2021-03-26 15:05:43,933 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 636 transitions. [2021-03-26 15:05:43,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 636 transitions. [2021-03-26 15:05:43,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:43,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 636 transitions. [2021-03-26 15:05:43,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.0) internal successors, (636), 12 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:43,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:43,934 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:43,934 INFO L185 Difference]: Start difference. First operand has 490 places, 502 transitions, 13473 flow. Second operand 12 states and 636 transitions. [2021-03-26 15:05:43,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 509 transitions, 14695 flow [2021-03-26 15:05:44,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 509 transitions, 14428 flow, removed 14 selfloop flow, removed 19 redundant places. [2021-03-26 15:05:44,365 INFO L241 Difference]: Finished difference. Result has 485 places, 502 transitions, 13383 flow [2021-03-26 15:05:44,365 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13218, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=13383, PETRI_PLACES=485, PETRI_TRANSITIONS=502} [2021-03-26 15:05:44,366 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 432 predicate places. [2021-03-26 15:05:44,366 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:44,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 485 places, 502 transitions, 13383 flow [2021-03-26 15:05:44,366 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 485 places, 502 transitions, 13383 flow [2021-03-26 15:05:44,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 502 transitions, 13383 flow [2021-03-26 15:05:44,539 INFO L129 PetriNetUnfolder]: 437/1103 cut-off events. [2021-03-26 15:05:44,539 INFO L130 PetriNetUnfolder]: For 58863/58912 co-relation queries the response was YES. [2021-03-26 15:05:44,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11858 conditions, 1103 events. 437/1103 cut-off events. For 58863/58912 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7746 event pairs, 5 based on Foata normal form. 7/955 useless extension candidates. Maximal degree in co-relation 11649. Up to 246 conditions per place. [2021-03-26 15:05:44,564 INFO L142 LiptonReduction]: Number of co-enabled transitions 1756 [2021-03-26 15:05:44,592 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:44,592 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:44,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 226 [2021-03-26 15:05:44,592 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 502 transitions, 13383 flow [2021-03-26 15:05:44,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:44,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:44,593 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, 1, 1, 1] [2021-03-26 15:05:44,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-03-26 15:05:44,593 INFO L428 AbstractCegarLoop]: === Iteration 201 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:44,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:44,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1775416837, now seen corresponding path program 15 times [2021-03-26 15:05:44,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:44,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342203347] [2021-03-26 15:05:44,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:44,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:44,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:44,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:44,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:44,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:44,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:44,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:44,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:44,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:44,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:44,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:44,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:44,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:44,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:44,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:44,677 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:44,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:44,691 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:44,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:44,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342203347] [2021-03-26 15:05:44,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:44,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:44,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355363661] [2021-03-26 15:05:44,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:44,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:44,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:44,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:44,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:44,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 502 transitions, 13383 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:44,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:44,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:44,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:45,266 INFO L129 PetriNetUnfolder]: 486/1169 cut-off events. [2021-03-26 15:05:45,266 INFO L130 PetriNetUnfolder]: For 61540/61544 co-relation queries the response was YES. [2021-03-26 15:05:45,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13390 conditions, 1169 events. 486/1169 cut-off events. For 61540/61544 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7809 event pairs, 23 based on Foata normal form. 5/1026 useless extension candidates. Maximal degree in co-relation 13177. Up to 690 conditions per place. [2021-03-26 15:05:45,285 INFO L132 encePairwiseOnDemand]: 114/131 looper letters, 433 selfloop transitions, 58 changer transitions 0/509 dead transitions. [2021-03-26 15:05:45,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 509 transitions, 14493 flow [2021-03-26 15:05:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:05:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:05:45,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 740 transitions. [2021-03-26 15:05:45,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4034896401308615 [2021-03-26 15:05:45,287 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 740 transitions. [2021-03-26 15:05:45,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 740 transitions. [2021-03-26 15:05:45,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:45,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 740 transitions. [2021-03-26 15:05:45,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.857142857142854) internal successors, (740), 14 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:45,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:45,288 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:45,288 INFO L185 Difference]: Start difference. First operand has 485 places, 502 transitions, 13383 flow. Second operand 14 states and 740 transitions. [2021-03-26 15:05:45,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 509 transitions, 14493 flow [2021-03-26 15:05:45,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 509 transitions, 14360 flow, removed 23 selfloop flow, removed 11 redundant places. [2021-03-26 15:05:45,701 INFO L241 Difference]: Finished difference. Result has 489 places, 504 transitions, 13480 flow [2021-03-26 15:05:45,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13250, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=445, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13480, PETRI_PLACES=489, PETRI_TRANSITIONS=504} [2021-03-26 15:05:45,701 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 436 predicate places. [2021-03-26 15:05:45,701 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:45,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 504 transitions, 13480 flow [2021-03-26 15:05:45,701 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 504 transitions, 13480 flow [2021-03-26 15:05:45,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 489 places, 504 transitions, 13480 flow [2021-03-26 15:05:45,878 INFO L129 PetriNetUnfolder]: 439/1104 cut-off events. [2021-03-26 15:05:45,878 INFO L130 PetriNetUnfolder]: For 58759/58807 co-relation queries the response was YES. [2021-03-26 15:05:45,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11923 conditions, 1104 events. 439/1104 cut-off events. For 58759/58807 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7721 event pairs, 6 based on Foata normal form. 6/956 useless extension candidates. Maximal degree in co-relation 11713. Up to 247 conditions per place. [2021-03-26 15:05:45,905 INFO L142 LiptonReduction]: Number of co-enabled transitions 1764 [2021-03-26 15:05:45,934 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:45,934 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:45,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 233 [2021-03-26 15:05:45,935 INFO L480 AbstractCegarLoop]: Abstraction has has 489 places, 504 transitions, 13480 flow [2021-03-26 15:05:45,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:45,935 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:45,935 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:45,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-03-26 15:05:45,935 INFO L428 AbstractCegarLoop]: === Iteration 202 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:45,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:45,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1358554985, now seen corresponding path program 16 times [2021-03-26 15:05:45,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:45,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893980571] [2021-03-26 15:05:45,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:45,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:45,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:45,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:45,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:45,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:45,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:45,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:45,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:45,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:45,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:45,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:45,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:46,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:46,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:46,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:46,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:46,037 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:46,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:46,052 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:46,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:46,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893980571] [2021-03-26 15:05:46,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:46,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:46,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283533278] [2021-03-26 15:05:46,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:46,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:46,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:46,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:46,055 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:46,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 504 transitions, 13480 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:46,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:46,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:46,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:46,630 INFO L129 PetriNetUnfolder]: 491/1195 cut-off events. [2021-03-26 15:05:46,631 INFO L130 PetriNetUnfolder]: For 60844/60850 co-relation queries the response was YES. [2021-03-26 15:05:46,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13509 conditions, 1195 events. 491/1195 cut-off events. For 60844/60850 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8118 event pairs, 10 based on Foata normal form. 8/1048 useless extension candidates. Maximal degree in co-relation 13290. Up to 682 conditions per place. [2021-03-26 15:05:46,652 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 425 selfloop transitions, 68 changer transitions 3/514 dead transitions. [2021-03-26 15:05:46,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 514 transitions, 14725 flow [2021-03-26 15:05:46,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:05:46,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:05:46,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 744 transitions. [2021-03-26 15:05:46,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40567066521264994 [2021-03-26 15:05:46,653 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 744 transitions. [2021-03-26 15:05:46,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 744 transitions. [2021-03-26 15:05:46,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:46,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 744 transitions. [2021-03-26 15:05:46,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.142857142857146) internal successors, (744), 14 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:46,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:46,654 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:46,654 INFO L185 Difference]: Start difference. First operand has 489 places, 504 transitions, 13480 flow. Second operand 14 states and 744 transitions. [2021-03-26 15:05:46,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 514 transitions, 14725 flow [2021-03-26 15:05:47,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 514 transitions, 14484 flow, removed 61 selfloop flow, removed 13 redundant places. [2021-03-26 15:05:47,104 INFO L241 Difference]: Finished difference. Result has 491 places, 505 transitions, 13554 flow [2021-03-26 15:05:47,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13239, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13554, PETRI_PLACES=491, PETRI_TRANSITIONS=505} [2021-03-26 15:05:47,105 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 438 predicate places. [2021-03-26 15:05:47,105 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:47,105 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 505 transitions, 13554 flow [2021-03-26 15:05:47,105 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 505 transitions, 13554 flow [2021-03-26 15:05:47,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 491 places, 505 transitions, 13554 flow [2021-03-26 15:05:47,284 INFO L129 PetriNetUnfolder]: 434/1104 cut-off events. [2021-03-26 15:05:47,284 INFO L130 PetriNetUnfolder]: For 58839/58886 co-relation queries the response was YES. [2021-03-26 15:05:47,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11871 conditions, 1104 events. 434/1104 cut-off events. For 58839/58886 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 7768 event pairs, 6 based on Foata normal form. 6/957 useless extension candidates. Maximal degree in co-relation 11657. Up to 244 conditions per place. [2021-03-26 15:05:47,312 INFO L142 LiptonReduction]: Number of co-enabled transitions 1784 [2021-03-26 15:05:47,340 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:47,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:47,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 235 [2021-03-26 15:05:47,341 INFO L480 AbstractCegarLoop]: Abstraction has has 491 places, 505 transitions, 13554 flow [2021-03-26 15:05:47,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:47,341 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:47,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:47,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-03-26 15:05:47,341 INFO L428 AbstractCegarLoop]: === Iteration 203 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:47,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:47,341 INFO L82 PathProgramCache]: Analyzing trace with hash -377900083, now seen corresponding path program 17 times [2021-03-26 15:05:47,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:47,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851072726] [2021-03-26 15:05:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:47,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:47,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:47,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:47,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:47,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:47,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:47,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:47,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:47,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:47,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:47,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:47,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:47,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:47,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:47,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:47,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:47,425 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:47,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:47,440 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:47,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:47,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:47,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851072726] [2021-03-26 15:05:47,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:47,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:47,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114600471] [2021-03-26 15:05:47,442 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:47,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:47,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:47,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:47,443 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:47,444 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 505 transitions, 13554 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:47,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:47,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:47,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:48,046 INFO L129 PetriNetUnfolder]: 491/1190 cut-off events. [2021-03-26 15:05:48,046 INFO L130 PetriNetUnfolder]: For 62307/62311 co-relation queries the response was YES. [2021-03-26 15:05:48,062 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13426 conditions, 1190 events. 491/1190 cut-off events. For 62307/62311 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 8066 event pairs, 23 based on Foata normal form. 5/1040 useless extension candidates. Maximal degree in co-relation 13203. Up to 668 conditions per place. [2021-03-26 15:05:48,067 INFO L132 encePairwiseOnDemand]: 113/131 looper letters, 414 selfloop transitions, 78 changer transitions 4/514 dead transitions. [2021-03-26 15:05:48,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 514 transitions, 14716 flow [2021-03-26 15:05:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:05:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:05:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 747 transitions. [2021-03-26 15:05:48,071 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40730643402399125 [2021-03-26 15:05:48,071 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 747 transitions. [2021-03-26 15:05:48,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 747 transitions. [2021-03-26 15:05:48,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:48,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 747 transitions. [2021-03-26 15:05:48,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.357142857142854) internal successors, (747), 14 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:48,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:48,072 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:48,072 INFO L185 Difference]: Start difference. First operand has 491 places, 505 transitions, 13554 flow. Second operand 14 states and 747 transitions. [2021-03-26 15:05:48,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 514 transitions, 14716 flow [2021-03-26 15:05:48,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 514 transitions, 14450 flow, removed 88 selfloop flow, removed 10 redundant places. [2021-03-26 15:05:48,535 INFO L241 Difference]: Finished difference. Result has 496 places, 503 transitions, 13395 flow [2021-03-26 15:05:48,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13288, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13395, PETRI_PLACES=496, PETRI_TRANSITIONS=503} [2021-03-26 15:05:48,536 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 443 predicate places. [2021-03-26 15:05:48,536 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:48,536 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 503 transitions, 13395 flow [2021-03-26 15:05:48,536 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 503 transitions, 13395 flow [2021-03-26 15:05:48,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 495 places, 503 transitions, 13395 flow [2021-03-26 15:05:48,710 INFO L129 PetriNetUnfolder]: 430/1082 cut-off events. [2021-03-26 15:05:48,711 INFO L130 PetriNetUnfolder]: For 56513/56561 co-relation queries the response was YES. [2021-03-26 15:05:48,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11821 conditions, 1082 events. 430/1082 cut-off events. For 56513/56561 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 7469 event pairs, 13 based on Foata normal form. 6/941 useless extension candidates. Maximal degree in co-relation 11604. Up to 237 conditions per place. [2021-03-26 15:05:48,736 INFO L142 LiptonReduction]: Number of co-enabled transitions 1768 [2021-03-26 15:05:48,765 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:48,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:48,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 229 [2021-03-26 15:05:48,765 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 503 transitions, 13395 flow [2021-03-26 15:05:48,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:48,765 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:48,765 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:48,765 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-03-26 15:05:48,765 INFO L428 AbstractCegarLoop]: === Iteration 204 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:48,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:48,765 INFO L82 PathProgramCache]: Analyzing trace with hash -87607969, now seen corresponding path program 18 times [2021-03-26 15:05:48,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:48,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642307932] [2021-03-26 15:05:48,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:48,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:48,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:48,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:48,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:48,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:48,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:48,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:48,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:48,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:48,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:48,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:48,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:48,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:48,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:48,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:48,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:48,860 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:48,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:48,876 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:48,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:48,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642307932] [2021-03-26 15:05:48,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:48,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:48,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766626592] [2021-03-26 15:05:48,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:48,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:48,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:48,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:48,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:48,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 503 transitions, 13395 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:48,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:48,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:48,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:49,516 INFO L129 PetriNetUnfolder]: 497/1201 cut-off events. [2021-03-26 15:05:49,516 INFO L130 PetriNetUnfolder]: For 65212/65225 co-relation queries the response was YES. [2021-03-26 15:05:49,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13645 conditions, 1201 events. 497/1201 cut-off events. For 65212/65225 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 8128 event pairs, 13 based on Foata normal form. 15/1058 useless extension candidates. Maximal degree in co-relation 13420. Up to 670 conditions per place. [2021-03-26 15:05:49,534 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 407 selfloop transitions, 80 changer transitions 13/518 dead transitions. [2021-03-26 15:05:49,534 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 518 transitions, 15041 flow [2021-03-26 15:05:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:05:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:05:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 747 transitions. [2021-03-26 15:05:49,536 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40730643402399125 [2021-03-26 15:05:49,536 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 747 transitions. [2021-03-26 15:05:49,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 747 transitions. [2021-03-26 15:05:49,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:49,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 747 transitions. [2021-03-26 15:05:49,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.357142857142854) internal successors, (747), 14 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:49,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:49,537 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 131.0) internal successors, (1965), 15 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:49,537 INFO L185 Difference]: Start difference. First operand has 495 places, 503 transitions, 13395 flow. Second operand 14 states and 747 transitions. [2021-03-26 15:05:49,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 518 transitions, 15041 flow [2021-03-26 15:05:49,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 518 transitions, 14812 flow, removed 11 selfloop flow, removed 14 redundant places. [2021-03-26 15:05:49,989 INFO L241 Difference]: Finished difference. Result has 495 places, 499 transitions, 13748 flow [2021-03-26 15:05:49,989 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13170, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=503, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13748, PETRI_PLACES=495, PETRI_TRANSITIONS=499} [2021-03-26 15:05:49,989 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 442 predicate places. [2021-03-26 15:05:49,989 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:49,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 495 places, 499 transitions, 13748 flow [2021-03-26 15:05:49,990 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 495 places, 499 transitions, 13748 flow [2021-03-26 15:05:49,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 499 transitions, 13748 flow [2021-03-26 15:05:50,158 INFO L129 PetriNetUnfolder]: 426/1056 cut-off events. [2021-03-26 15:05:50,158 INFO L130 PetriNetUnfolder]: For 61694/61742 co-relation queries the response was YES. [2021-03-26 15:05:50,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11970 conditions, 1056 events. 426/1056 cut-off events. For 61694/61742 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7190 event pairs, 8 based on Foata normal form. 6/920 useless extension candidates. Maximal degree in co-relation 11755. Up to 236 conditions per place. [2021-03-26 15:05:50,181 INFO L142 LiptonReduction]: Number of co-enabled transitions 1750 [2021-03-26 15:05:50,209 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:50,209 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:50,210 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 221 [2021-03-26 15:05:50,210 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 499 transitions, 13748 flow [2021-03-26 15:05:50,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:50,210 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:50,210 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:50,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-03-26 15:05:50,210 INFO L428 AbstractCegarLoop]: === Iteration 205 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:50,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:50,210 INFO L82 PathProgramCache]: Analyzing trace with hash 21965345, now seen corresponding path program 19 times [2021-03-26 15:05:50,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:50,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086015964] [2021-03-26 15:05:50,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:50,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:50,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:50,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:50,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:50,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:50,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:50,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:50,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:50,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:50,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:50,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:50,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:50,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:50,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:50,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:50,293 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:50,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:50,307 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:50,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:50,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:50,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086015964] [2021-03-26 15:05:50,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:50,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:50,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750243827] [2021-03-26 15:05:50,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:50,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:50,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:50,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:50,310 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:50,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 499 transitions, 13748 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:50,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:50,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:50,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:50,829 INFO L129 PetriNetUnfolder]: 477/1130 cut-off events. [2021-03-26 15:05:50,829 INFO L130 PetriNetUnfolder]: For 62681/62687 co-relation queries the response was YES. [2021-03-26 15:05:50,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13421 conditions, 1130 events. 477/1130 cut-off events. For 62681/62687 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 7407 event pairs, 10 based on Foata normal form. 7/997 useless extension candidates. Maximal degree in co-relation 13198. Up to 694 conditions per place. [2021-03-26 15:05:50,847 INFO L132 encePairwiseOnDemand]: 117/131 looper letters, 444 selfloop transitions, 32 changer transitions 8/502 dead transitions. [2021-03-26 15:05:50,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 502 transitions, 14734 flow [2021-03-26 15:05:50,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:50,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 633 transitions. [2021-03-26 15:05:50,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4026717557251908 [2021-03-26 15:05:50,849 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 633 transitions. [2021-03-26 15:05:50,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 633 transitions. [2021-03-26 15:05:50,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:50,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 633 transitions. [2021-03-26 15:05:50,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.75) internal successors, (633), 12 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:50,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:50,850 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:50,850 INFO L185 Difference]: Start difference. First operand has 493 places, 499 transitions, 13748 flow. Second operand 12 states and 633 transitions. [2021-03-26 15:05:50,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 502 transitions, 14734 flow [2021-03-26 15:05:51,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 502 transitions, 14017 flow, removed 273 selfloop flow, removed 14 redundant places. [2021-03-26 15:05:51,301 INFO L241 Difference]: Finished difference. Result has 491 places, 491 transitions, 12986 flow [2021-03-26 15:05:51,301 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=13031, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=12986, PETRI_PLACES=491, PETRI_TRANSITIONS=491} [2021-03-26 15:05:51,301 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 438 predicate places. [2021-03-26 15:05:51,301 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:51,301 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 491 places, 491 transitions, 12986 flow [2021-03-26 15:05:51,301 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 491 places, 491 transitions, 12986 flow [2021-03-26 15:05:51,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 488 places, 491 transitions, 12986 flow [2021-03-26 15:05:51,455 INFO L129 PetriNetUnfolder]: 415/1022 cut-off events. [2021-03-26 15:05:51,455 INFO L130 PetriNetUnfolder]: For 52896/52941 co-relation queries the response was YES. [2021-03-26 15:05:51,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11428 conditions, 1022 events. 415/1022 cut-off events. For 52896/52941 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 6834 event pairs, 8 based on Foata normal form. 5/894 useless extension candidates. Maximal degree in co-relation 11218. Up to 227 conditions per place. [2021-03-26 15:05:51,477 INFO L142 LiptonReduction]: Number of co-enabled transitions 1716 [2021-03-26 15:05:51,504 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:51,504 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:51,504 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 203 [2021-03-26 15:05:51,504 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 491 transitions, 12986 flow [2021-03-26 15:05:51,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:51,505 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:51,505 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:51,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-03-26 15:05:51,505 INFO L428 AbstractCegarLoop]: === Iteration 206 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:51,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:51,505 INFO L82 PathProgramCache]: Analyzing trace with hash 591125639, now seen corresponding path program 20 times [2021-03-26 15:05:51,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:51,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785338392] [2021-03-26 15:05:51,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:51,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:51,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:51,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:51,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:51,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:51,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:51,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:51,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:51,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:51,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:51,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:51,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:51,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:51,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:51,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:51,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:51,633 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:51,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:51,653 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:51,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:51,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785338392] [2021-03-26 15:05:51,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:51,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:51,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682494728] [2021-03-26 15:05:51,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:51,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:51,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:51,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:51,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:51,658 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 491 transitions, 12986 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:51,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:51,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:51,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:52,295 INFO L129 PetriNetUnfolder]: 470/1097 cut-off events. [2021-03-26 15:05:52,296 INFO L130 PetriNetUnfolder]: For 57069/57073 co-relation queries the response was YES. [2021-03-26 15:05:52,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12836 conditions, 1097 events. 470/1097 cut-off events. For 57069/57073 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7028 event pairs, 23 based on Foata normal form. 5/969 useless extension candidates. Maximal degree in co-relation 12619. Up to 652 conditions per place. [2021-03-26 15:05:52,313 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 405 selfloop transitions, 66 changer transitions 8/497 dead transitions. [2021-03-26 15:05:52,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 497 transitions, 13980 flow [2021-03-26 15:05:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:05:52,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:05:52,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 699 transitions. [2021-03-26 15:05:52,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41045214327657076 [2021-03-26 15:05:52,314 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 699 transitions. [2021-03-26 15:05:52,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 699 transitions. [2021-03-26 15:05:52,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:52,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 699 transitions. [2021-03-26 15:05:52,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.76923076923077) internal successors, (699), 13 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:52,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:52,316 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 131.0) internal successors, (1834), 14 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:52,316 INFO L185 Difference]: Start difference. First operand has 488 places, 491 transitions, 12986 flow. Second operand 13 states and 699 transitions. [2021-03-26 15:05:52,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 497 transitions, 13980 flow [2021-03-26 15:05:52,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 497 transitions, 13815 flow, removed 10 selfloop flow, removed 15 redundant places. [2021-03-26 15:05:52,726 INFO L241 Difference]: Finished difference. Result has 486 places, 483 transitions, 12716 flow [2021-03-26 15:05:52,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=12821, PETRI_DIFFERENCE_MINUEND_PLACES=473, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=491, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=12716, PETRI_PLACES=486, PETRI_TRANSITIONS=483} [2021-03-26 15:05:52,727 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 433 predicate places. [2021-03-26 15:05:52,727 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:52,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 486 places, 483 transitions, 12716 flow [2021-03-26 15:05:52,727 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 486 places, 483 transitions, 12716 flow [2021-03-26 15:05:52,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 485 places, 483 transitions, 12716 flow [2021-03-26 15:05:52,869 INFO L129 PetriNetUnfolder]: 402/968 cut-off events. [2021-03-26 15:05:52,869 INFO L130 PetriNetUnfolder]: For 54227/54276 co-relation queries the response was YES. [2021-03-26 15:05:52,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11058 conditions, 968 events. 402/968 cut-off events. For 54227/54276 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 6257 event pairs, 11 based on Foata normal form. 7/855 useless extension candidates. Maximal degree in co-relation 10850. Up to 223 conditions per place. [2021-03-26 15:05:52,892 INFO L142 LiptonReduction]: Number of co-enabled transitions 1662 [2021-03-26 15:05:52,919 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:52,919 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:52,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 192 [2021-03-26 15:05:52,920 INFO L480 AbstractCegarLoop]: Abstraction has has 485 places, 483 transitions, 12716 flow [2021-03-26 15:05:52,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:52,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:52,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:52,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-03-26 15:05:52,920 INFO L428 AbstractCegarLoop]: === Iteration 207 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:52,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:52,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1963298360, now seen corresponding path program 86 times [2021-03-26 15:05:52,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:52,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126691282] [2021-03-26 15:05:52,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:52,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:52,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:52,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:52,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:52,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:52,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:52,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:52,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:52,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:52,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:52,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:52,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:52,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:52,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:52,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:52,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:53,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:53,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:53,014 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:53,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:53,028 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:53,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:53,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126691282] [2021-03-26 15:05:53,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:53,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:53,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900446312] [2021-03-26 15:05:53,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:53,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:53,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:53,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:53,031 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 131 [2021-03-26 15:05:53,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 483 transitions, 12716 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:53,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:53,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 131 [2021-03-26 15:05:53,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:53,514 INFO L129 PetriNetUnfolder]: 471/1096 cut-off events. [2021-03-26 15:05:53,514 INFO L130 PetriNetUnfolder]: For 56720/56726 co-relation queries the response was YES. [2021-03-26 15:05:53,527 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12707 conditions, 1096 events. 471/1096 cut-off events. For 56720/56726 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7059 event pairs, 6 based on Foata normal form. 7/968 useless extension candidates. Maximal degree in co-relation 12492. Up to 638 conditions per place. [2021-03-26 15:05:53,531 INFO L132 encePairwiseOnDemand]: 115/131 looper letters, 399 selfloop transitions, 58 changer transitions 15/490 dead transitions. [2021-03-26 15:05:53,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 490 transitions, 13717 flow [2021-03-26 15:05:53,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 638 transitions. [2021-03-26 15:05:53,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.405852417302799 [2021-03-26 15:05:53,532 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 638 transitions. [2021-03-26 15:05:53,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 638 transitions. [2021-03-26 15:05:53,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:53,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 638 transitions. [2021-03-26 15:05:53,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.166666666666664) internal successors, (638), 12 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:53,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:53,534 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 131.0) internal successors, (1703), 13 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:53,534 INFO L185 Difference]: Start difference. First operand has 485 places, 483 transitions, 12716 flow. Second operand 12 states and 638 transitions. [2021-03-26 15:05:53,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 490 transitions, 13717 flow [2021-03-26 15:05:53,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 476 places, 490 transitions, 13460 flow, removed 20 selfloop flow, removed 20 redundant places. [2021-03-26 15:05:53,872 INFO L241 Difference]: Finished difference. Result has 478 places, 469 transitions, 12077 flow [2021-03-26 15:05:53,872 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=12459, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=12077, PETRI_PLACES=478, PETRI_TRANSITIONS=469} [2021-03-26 15:05:53,872 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 425 predicate places. [2021-03-26 15:05:53,872 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:53,872 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 478 places, 469 transitions, 12077 flow [2021-03-26 15:05:53,872 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 478 places, 469 transitions, 12077 flow [2021-03-26 15:05:53,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 471 places, 469 transitions, 12077 flow [2021-03-26 15:05:54,009 INFO L129 PetriNetUnfolder]: 403/965 cut-off events. [2021-03-26 15:05:54,009 INFO L130 PetriNetUnfolder]: For 52400/52448 co-relation queries the response was YES. [2021-03-26 15:05:54,019 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10765 conditions, 965 events. 403/965 cut-off events. For 52400/52448 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6232 event pairs, 3 based on Foata normal form. 6/848 useless extension candidates. Maximal degree in co-relation 10569. Up to 221 conditions per place. [2021-03-26 15:05:54,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 1628 [2021-03-26 15:05:54,114 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:54,114 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:05:54,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 242 [2021-03-26 15:05:54,114 INFO L480 AbstractCegarLoop]: Abstraction has has 471 places, 469 transitions, 12079 flow [2021-03-26 15:05:54,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:54,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:54,115 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:54,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-03-26 15:05:54,115 INFO L428 AbstractCegarLoop]: === Iteration 208 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:54,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:54,115 INFO L82 PathProgramCache]: Analyzing trace with hash -466247648, now seen corresponding path program 87 times [2021-03-26 15:05:54,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:54,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947728051] [2021-03-26 15:05:54,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:54,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:54,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:54,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:54,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:54,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:54,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:54,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:54,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:54,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:54,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:54,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:54,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:05:54,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:54,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:54,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:54,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:54,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:54,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:54,198 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:54,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:54,211 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:05:54,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:54,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947728051] [2021-03-26 15:05:54,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:54,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:54,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324057935] [2021-03-26 15:05:54,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:54,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:54,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:54,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:54,214 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 132 [2021-03-26 15:05:54,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 469 transitions, 12079 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:54,215 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:54,215 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 132 [2021-03-26 15:05:54,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:54,814 INFO L129 PetriNetUnfolder]: 467/1086 cut-off events. [2021-03-26 15:05:54,814 INFO L130 PetriNetUnfolder]: For 55722/55737 co-relation queries the response was YES. [2021-03-26 15:05:54,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12306 conditions, 1086 events. 467/1086 cut-off events. For 55722/55737 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7017 event pairs, 6 based on Foata normal form. 17/969 useless extension candidates. Maximal degree in co-relation 12108. Up to 533 conditions per place. [2021-03-26 15:05:54,830 INFO L132 encePairwiseOnDemand]: 113/132 looper letters, 303 selfloop transitions, 168 changer transitions 0/489 dead transitions. [2021-03-26 15:05:54,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 489 transitions, 13282 flow [2021-03-26 15:05:54,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:54,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 667 transitions. [2021-03-26 15:05:54,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42108585858585856 [2021-03-26 15:05:54,832 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 667 transitions. [2021-03-26 15:05:54,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 667 transitions. [2021-03-26 15:05:54,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:54,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 667 transitions. [2021-03-26 15:05:54,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.583333333333336) internal successors, (667), 12 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:54,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:54,833 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:54,833 INFO L185 Difference]: Start difference. First operand has 471 places, 469 transitions, 12079 flow. Second operand 12 states and 667 transitions. [2021-03-26 15:05:54,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 489 transitions, 13282 flow [2021-03-26 15:05:55,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 489 transitions, 12969 flow, removed 55 selfloop flow, removed 19 redundant places. [2021-03-26 15:05:55,189 INFO L241 Difference]: Finished difference. Result has 466 places, 476 transitions, 12391 flow [2021-03-26 15:05:55,189 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=11766, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=469, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=12391, PETRI_PLACES=466, PETRI_TRANSITIONS=476} [2021-03-26 15:05:55,189 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 413 predicate places. [2021-03-26 15:05:55,189 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:55,190 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 476 transitions, 12391 flow [2021-03-26 15:05:55,190 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 476 transitions, 12391 flow [2021-03-26 15:05:55,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 466 places, 476 transitions, 12391 flow [2021-03-26 15:05:55,333 INFO L129 PetriNetUnfolder]: 406/988 cut-off events. [2021-03-26 15:05:55,333 INFO L130 PetriNetUnfolder]: For 51977/52030 co-relation queries the response was YES. [2021-03-26 15:05:55,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10889 conditions, 988 events. 406/988 cut-off events. For 51977/52030 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6540 event pairs, 7 based on Foata normal form. 6/866 useless extension candidates. Maximal degree in co-relation 10685. Up to 222 conditions per place. [2021-03-26 15:05:55,354 INFO L142 LiptonReduction]: Number of co-enabled transitions 1706 [2021-03-26 15:05:55,380 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:55,380 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:55,380 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 191 [2021-03-26 15:05:55,380 INFO L480 AbstractCegarLoop]: Abstraction has has 466 places, 476 transitions, 12391 flow [2021-03-26 15:05:55,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:55,380 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:55,380 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:55,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-03-26 15:05:55,380 INFO L428 AbstractCegarLoop]: === Iteration 209 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:55,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:55,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1447959594, now seen corresponding path program 1 times [2021-03-26 15:05:55,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:55,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626238801] [2021-03-26 15:05:55,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:55,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:55,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:55,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:55,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:55,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:55,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:55,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:55,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:55,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:55,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:55,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:55,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:55,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:55,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:55,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:55,463 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:55,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:55,477 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:55,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:55,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626238801] [2021-03-26 15:05:55,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:55,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:55,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578152927] [2021-03-26 15:05:55,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:55,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:55,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:55,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:55,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 132 [2021-03-26 15:05:55,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 476 transitions, 12391 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:55,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:55,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 132 [2021-03-26 15:05:55,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:55,981 INFO L129 PetriNetUnfolder]: 472/1104 cut-off events. [2021-03-26 15:05:55,981 INFO L130 PetriNetUnfolder]: For 56624/56628 co-relation queries the response was YES. [2021-03-26 15:05:55,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12561 conditions, 1104 events. 472/1104 cut-off events. For 56624/56628 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 7116 event pairs, 14 based on Foata normal form. 5/970 useless extension candidates. Maximal degree in co-relation 12348. Up to 648 conditions per place. [2021-03-26 15:05:55,998 INFO L132 encePairwiseOnDemand]: 114/132 looper letters, 411 selfloop transitions, 59 changer transitions 0/488 dead transitions. [2021-03-26 15:05:55,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 488 transitions, 13534 flow [2021-03-26 15:05:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:05:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:05:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 15:05:56,000 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40384615384615385 [2021-03-26 15:05:56,000 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 15:05:56,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 15:05:56,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:56,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 15:05:56,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:56,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 132.0) internal successors, (1848), 14 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:56,001 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 132.0) internal successors, (1848), 14 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:56,001 INFO L185 Difference]: Start difference. First operand has 466 places, 476 transitions, 12391 flow. Second operand 13 states and 693 transitions. [2021-03-26 15:05:56,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 488 transitions, 13534 flow [2021-03-26 15:05:56,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 488 transitions, 13006 flow, removed 73 selfloop flow, removed 10 redundant places. [2021-03-26 15:05:56,371 INFO L241 Difference]: Finished difference. Result has 470 places, 480 transitions, 12176 flow [2021-03-26 15:05:56,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=11867, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=12176, PETRI_PLACES=470, PETRI_TRANSITIONS=480} [2021-03-26 15:05:56,371 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 417 predicate places. [2021-03-26 15:05:56,371 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:56,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 470 places, 480 transitions, 12176 flow [2021-03-26 15:05:56,371 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 470 places, 480 transitions, 12176 flow [2021-03-26 15:05:56,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 480 transitions, 12176 flow [2021-03-26 15:05:56,518 INFO L129 PetriNetUnfolder]: 417/1017 cut-off events. [2021-03-26 15:05:56,518 INFO L130 PetriNetUnfolder]: For 53180/53226 co-relation queries the response was YES. [2021-03-26 15:05:56,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10890 conditions, 1017 events. 417/1017 cut-off events. For 53180/53226 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6771 event pairs, 6 based on Foata normal form. 5/886 useless extension candidates. Maximal degree in co-relation 10685. Up to 222 conditions per place. [2021-03-26 15:05:56,540 INFO L142 LiptonReduction]: Number of co-enabled transitions 1754 [2021-03-26 15:05:56,567 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:56,567 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:56,567 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-03-26 15:05:56,567 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 480 transitions, 12176 flow [2021-03-26 15:05:56,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:56,567 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:56,567 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:56,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-03-26 15:05:56,567 INFO L428 AbstractCegarLoop]: === Iteration 210 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:56,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:56,568 INFO L82 PathProgramCache]: Analyzing trace with hash -258229378, now seen corresponding path program 2 times [2021-03-26 15:05:56,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:56,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558303774] [2021-03-26 15:05:56,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:56,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:56,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:56,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:56,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:56,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:56,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:56,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:56,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:56,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:56,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:56,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:56,650 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:56,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:56,665 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:56,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:56,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558303774] [2021-03-26 15:05:56,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:56,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:56,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527715079] [2021-03-26 15:05:56,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:56,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:56,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:56,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:56,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 132 [2021-03-26 15:05:56,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 480 transitions, 12176 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:56,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:56,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 132 [2021-03-26 15:05:56,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:57,145 INFO L129 PetriNetUnfolder]: 470/1109 cut-off events. [2021-03-26 15:05:57,145 INFO L130 PetriNetUnfolder]: For 54673/54679 co-relation queries the response was YES. [2021-03-26 15:05:57,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12393 conditions, 1109 events. 470/1109 cut-off events. For 54673/54679 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 7197 event pairs, 11 based on Foata normal form. 7/977 useless extension candidates. Maximal degree in co-relation 12180. Up to 659 conditions per place. [2021-03-26 15:05:57,162 INFO L132 encePairwiseOnDemand]: 116/132 looper letters, 427 selfloop transitions, 38 changer transitions 5/488 dead transitions. [2021-03-26 15:05:57,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 488 transitions, 13209 flow [2021-03-26 15:05:57,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:05:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:05:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 635 transitions. [2021-03-26 15:05:57,164 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4008838383838384 [2021-03-26 15:05:57,164 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 635 transitions. [2021-03-26 15:05:57,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 635 transitions. [2021-03-26 15:05:57,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:57,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 635 transitions. [2021-03-26 15:05:57,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.916666666666664) internal successors, (635), 12 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:57,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:57,165 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:57,165 INFO L185 Difference]: Start difference. First operand has 470 places, 480 transitions, 12176 flow. Second operand 12 states and 635 transitions. [2021-03-26 15:05:57,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 488 transitions, 13209 flow [2021-03-26 15:05:57,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 488 transitions, 12974 flow, removed 71 selfloop flow, removed 10 redundant places. [2021-03-26 15:05:57,540 INFO L241 Difference]: Finished difference. Result has 473 places, 476 transitions, 11970 flow [2021-03-26 15:05:57,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=11941, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11970, PETRI_PLACES=473, PETRI_TRANSITIONS=476} [2021-03-26 15:05:57,540 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 420 predicate places. [2021-03-26 15:05:57,540 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:57,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 473 places, 476 transitions, 11970 flow [2021-03-26 15:05:57,541 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 473 places, 476 transitions, 11970 flow [2021-03-26 15:05:57,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 471 places, 476 transitions, 11970 flow [2021-03-26 15:05:57,686 INFO L129 PetriNetUnfolder]: 409/1002 cut-off events. [2021-03-26 15:05:57,686 INFO L130 PetriNetUnfolder]: For 53153/53209 co-relation queries the response was YES. [2021-03-26 15:05:57,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10724 conditions, 1002 events. 409/1002 cut-off events. For 53153/53209 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6726 event pairs, 5 based on Foata normal form. 8/876 useless extension candidates. Maximal degree in co-relation 10517. Up to 217 conditions per place. [2021-03-26 15:05:57,707 INFO L142 LiptonReduction]: Number of co-enabled transitions 1720 [2021-03-26 15:05:57,733 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:57,734 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:57,734 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-03-26 15:05:57,734 INFO L480 AbstractCegarLoop]: Abstraction has has 471 places, 476 transitions, 11970 flow [2021-03-26 15:05:57,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:57,734 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:57,734 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:57,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-03-26 15:05:57,734 INFO L428 AbstractCegarLoop]: === Iteration 211 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:57,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:57,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1956815548, now seen corresponding path program 3 times [2021-03-26 15:05:57,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:57,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805743293] [2021-03-26 15:05:57,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:57,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:57,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:57,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:57,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:57,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:57,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:57,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:57,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:57,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:57,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:57,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:57,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:57,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:57,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:57,804 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:05:57,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:05:57,820 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:57,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:57,835 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:57,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:57,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805743293] [2021-03-26 15:05:57,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:57,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:05:57,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113471551] [2021-03-26 15:05:57,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:05:57,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:57,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:05:57,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:05:57,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 132 [2021-03-26 15:05:57,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 476 transitions, 11970 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:57,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:57,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 132 [2021-03-26 15:05:57,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:58,354 INFO L129 PetriNetUnfolder]: 466/1101 cut-off events. [2021-03-26 15:05:58,354 INFO L130 PetriNetUnfolder]: For 53987/53993 co-relation queries the response was YES. [2021-03-26 15:05:58,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12315 conditions, 1101 events. 466/1101 cut-off events. For 53987/53993 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 7144 event pairs, 11 based on Foata normal form. 7/971 useless extension candidates. Maximal degree in co-relation 12100. Up to 658 conditions per place. [2021-03-26 15:05:58,371 INFO L132 encePairwiseOnDemand]: 116/132 looper letters, 426 selfloop transitions, 37 changer transitions 3/484 dead transitions. [2021-03-26 15:05:58,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 484 transitions, 12998 flow [2021-03-26 15:05:58,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:05:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:05:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 682 transitions. [2021-03-26 15:05:58,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3974358974358974 [2021-03-26 15:05:58,373 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 682 transitions. [2021-03-26 15:05:58,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 682 transitions. [2021-03-26 15:05:58,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:58,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 682 transitions. [2021-03-26 15:05:58,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 52.46153846153846) internal successors, (682), 13 states have internal predecessors, (682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:58,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 132.0) internal successors, (1848), 14 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:58,374 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 132.0) internal successors, (1848), 14 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:58,374 INFO L185 Difference]: Start difference. First operand has 471 places, 476 transitions, 11970 flow. Second operand 13 states and 682 transitions. [2021-03-26 15:05:58,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 484 transitions, 12998 flow [2021-03-26 15:05:58,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 484 transitions, 12878 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-26 15:05:58,791 INFO L241 Difference]: Finished difference. Result has 472 places, 474 transitions, 11883 flow [2021-03-26 15:05:58,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=11854, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=11883, PETRI_PLACES=472, PETRI_TRANSITIONS=474} [2021-03-26 15:05:58,791 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 419 predicate places. [2021-03-26 15:05:58,791 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:58,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 474 transitions, 11883 flow [2021-03-26 15:05:58,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 474 transitions, 11883 flow [2021-03-26 15:05:58,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 471 places, 474 transitions, 11883 flow [2021-03-26 15:05:58,941 INFO L129 PetriNetUnfolder]: 421/1034 cut-off events. [2021-03-26 15:05:58,941 INFO L130 PetriNetUnfolder]: For 53682/53718 co-relation queries the response was YES. [2021-03-26 15:05:58,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11023 conditions, 1034 events. 421/1034 cut-off events. For 53682/53718 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6894 event pairs, 11 based on Foata normal form. 5/901 useless extension candidates. Maximal degree in co-relation 10818. Up to 224 conditions per place. [2021-03-26 15:05:58,963 INFO L142 LiptonReduction]: Number of co-enabled transitions 1720 [2021-03-26 15:05:58,989 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:05:58,989 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:05:58,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 198 [2021-03-26 15:05:58,989 INFO L480 AbstractCegarLoop]: Abstraction has has 471 places, 474 transitions, 11883 flow [2021-03-26 15:05:58,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:58,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:05:58,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:05:58,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-03-26 15:05:58,989 INFO L428 AbstractCegarLoop]: === Iteration 212 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:05:58,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:05:58,989 INFO L82 PathProgramCache]: Analyzing trace with hash 120541120, now seen corresponding path program 4 times [2021-03-26 15:05:58,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:05:58,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058738284] [2021-03-26 15:05:58,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:05:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:05:59,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:59,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:05:59,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:59,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:05:59,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:59,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:59,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:59,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:05:59,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:59,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:59,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:59,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:59,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:59,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:59,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:05:59,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:05:59,078 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:05:59,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:05:59,084 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:05:59,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:05:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:05:59,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058738284] [2021-03-26 15:05:59,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:05:59,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:05:59,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756726859] [2021-03-26 15:05:59,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:05:59,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:05:59,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:05:59,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:05:59,087 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 132 [2021-03-26 15:05:59,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 474 transitions, 11883 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:59,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:05:59,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 132 [2021-03-26 15:05:59,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:05:59,545 INFO L129 PetriNetUnfolder]: 467/1098 cut-off events. [2021-03-26 15:05:59,545 INFO L130 PetriNetUnfolder]: For 55218/55222 co-relation queries the response was YES. [2021-03-26 15:05:59,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12226 conditions, 1098 events. 467/1098 cut-off events. For 55218/55222 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 7089 event pairs, 24 based on Foata normal form. 5/965 useless extension candidates. Maximal degree in co-relation 12016. Up to 654 conditions per place. [2021-03-26 15:05:59,563 INFO L132 encePairwiseOnDemand]: 115/132 looper letters, 414 selfloop transitions, 48 changer transitions 0/480 dead transitions. [2021-03-26 15:05:59,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 480 transitions, 12843 flow [2021-03-26 15:05:59,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:05:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:05:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 589 transitions. [2021-03-26 15:05:59,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4056473829201102 [2021-03-26 15:05:59,564 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 589 transitions. [2021-03-26 15:05:59,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 589 transitions. [2021-03-26 15:05:59,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:05:59,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 589 transitions. [2021-03-26 15:05:59,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.54545454545455) internal successors, (589), 11 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:59,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 132.0) internal successors, (1584), 12 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:59,565 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 132.0) internal successors, (1584), 12 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:05:59,565 INFO L185 Difference]: Start difference. First operand has 471 places, 474 transitions, 11883 flow. Second operand 11 states and 589 transitions. [2021-03-26 15:05:59,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 480 transitions, 12843 flow [2021-03-26 15:05:59,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 480 transitions, 12746 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-26 15:05:59,918 INFO L241 Difference]: Finished difference. Result has 469 places, 474 transitions, 11907 flow [2021-03-26 15:05:59,918 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=11786, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11907, PETRI_PLACES=469, PETRI_TRANSITIONS=474} [2021-03-26 15:05:59,918 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 416 predicate places. [2021-03-26 15:05:59,918 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:05:59,918 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 469 places, 474 transitions, 11907 flow [2021-03-26 15:05:59,919 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 469 places, 474 transitions, 11907 flow [2021-03-26 15:05:59,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 469 places, 474 transitions, 11907 flow [2021-03-26 15:06:00,062 INFO L129 PetriNetUnfolder]: 412/1011 cut-off events. [2021-03-26 15:06:00,063 INFO L130 PetriNetUnfolder]: For 51650/51698 co-relation queries the response was YES. [2021-03-26 15:06:00,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10780 conditions, 1011 events. 412/1011 cut-off events. For 51650/51698 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 6758 event pairs, 6 based on Foata normal form. 6/881 useless extension candidates. Maximal degree in co-relation 10576. Up to 218 conditions per place. [2021-03-26 15:06:00,084 INFO L142 LiptonReduction]: Number of co-enabled transitions 1720 [2021-03-26 15:06:00,109 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:00,109 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:00,110 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 192 [2021-03-26 15:06:00,110 INFO L480 AbstractCegarLoop]: Abstraction has has 469 places, 474 transitions, 11907 flow [2021-03-26 15:06:00,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:00,110 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:00,110 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:00,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-03-26 15:06:00,110 INFO L428 AbstractCegarLoop]: === Iteration 213 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:00,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:00,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1558785888, now seen corresponding path program 5 times [2021-03-26 15:06:00,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:00,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827778323] [2021-03-26 15:06:00,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:00,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:00,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:00,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:00,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:00,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:00,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:00,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:00,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:00,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:00,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:00,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:00,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:00,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:00,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:00,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:00,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:00,197 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:00,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:00,215 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:00,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:00,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827778323] [2021-03-26 15:06:00,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:00,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:00,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399944423] [2021-03-26 15:06:00,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:00,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:00,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:00,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:00,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 132 [2021-03-26 15:06:00,220 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 474 transitions, 11907 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:00,220 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:00,220 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 132 [2021-03-26 15:06:00,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:00,763 INFO L129 PetriNetUnfolder]: 470/1105 cut-off events. [2021-03-26 15:06:00,763 INFO L130 PetriNetUnfolder]: For 54911/54926 co-relation queries the response was YES. [2021-03-26 15:06:00,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12230 conditions, 1105 events. 470/1105 cut-off events. For 54911/54926 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7218 event pairs, 6 based on Foata normal form. 16/980 useless extension candidates. Maximal degree in co-relation 12018. Up to 622 conditions per place. [2021-03-26 15:06:00,780 INFO L132 encePairwiseOnDemand]: 114/132 looper letters, 373 selfloop transitions, 85 changer transitions 6/482 dead transitions. [2021-03-26 15:06:00,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 482 transitions, 12883 flow [2021-03-26 15:06:00,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 648 transitions. [2021-03-26 15:06:00,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4090909090909091 [2021-03-26 15:06:00,782 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 648 transitions. [2021-03-26 15:06:00,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 648 transitions. [2021-03-26 15:06:00,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:00,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 648 transitions. [2021-03-26 15:06:00,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.0) internal successors, (648), 12 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:00,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:00,783 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 132.0) internal successors, (1716), 13 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:00,783 INFO L185 Difference]: Start difference. First operand has 469 places, 474 transitions, 11907 flow. Second operand 12 states and 648 transitions. [2021-03-26 15:06:00,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 482 transitions, 12883 flow [2021-03-26 15:06:01,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 482 transitions, 12791 flow, removed 0 selfloop flow, removed 9 redundant places. [2021-03-26 15:06:01,125 INFO L241 Difference]: Finished difference. Result has 472 places, 468 transitions, 11962 flow [2021-03-26 15:06:01,125 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=11815, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11962, PETRI_PLACES=472, PETRI_TRANSITIONS=468} [2021-03-26 15:06:01,125 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 419 predicate places. [2021-03-26 15:06:01,125 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:01,125 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 472 places, 468 transitions, 11962 flow [2021-03-26 15:06:01,125 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 472 places, 468 transitions, 11962 flow [2021-03-26 15:06:01,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 465 places, 468 transitions, 11962 flow [2021-03-26 15:06:01,266 INFO L129 PetriNetUnfolder]: 400/974 cut-off events. [2021-03-26 15:06:01,266 INFO L130 PetriNetUnfolder]: For 51804/51851 co-relation queries the response was YES. [2021-03-26 15:06:01,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10679 conditions, 974 events. 400/974 cut-off events. For 51804/51851 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6399 event pairs, 8 based on Foata normal form. 6/854 useless extension candidates. Maximal degree in co-relation 10474. Up to 217 conditions per place. [2021-03-26 15:06:01,287 INFO L142 LiptonReduction]: Number of co-enabled transitions 1686 [2021-03-26 15:06:01,312 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:01,312 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:01,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-26 15:06:01,312 INFO L480 AbstractCegarLoop]: Abstraction has has 465 places, 468 transitions, 11962 flow [2021-03-26 15:06:01,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:01,313 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:01,313 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:01,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-03-26 15:06:01,313 INFO L428 AbstractCegarLoop]: === Iteration 214 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:01,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:01,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1850258760, now seen corresponding path program 88 times [2021-03-26 15:06:01,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:01,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497206066] [2021-03-26 15:06:01,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:01,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:01,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:01,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:01,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:01,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:01,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:01,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:01,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:01,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:01,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:01,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:01,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:01,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:01,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:06:01,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:01,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:01,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:01,437 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:01,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:01,456 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:01,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:01,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497206066] [2021-03-26 15:06:01,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:01,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:06:01,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889895085] [2021-03-26 15:06:01,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:06:01,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:01,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:06:01,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:06:01,460 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 132 [2021-03-26 15:06:01,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 468 transitions, 11962 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:01,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:01,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 132 [2021-03-26 15:06:01,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:02,116 INFO L129 PetriNetUnfolder]: 465/1088 cut-off events. [2021-03-26 15:06:02,117 INFO L130 PetriNetUnfolder]: For 55249/55264 co-relation queries the response was YES. [2021-03-26 15:06:02,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12258 conditions, 1088 events. 465/1088 cut-off events. For 55249/55264 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7029 event pairs, 6 based on Foata normal form. 16/967 useless extension candidates. Maximal degree in co-relation 12045. Up to 592 conditions per place. [2021-03-26 15:06:02,134 INFO L132 encePairwiseOnDemand]: 115/132 looper letters, 347 selfloop transitions, 107 changer transitions 9/481 dead transitions. [2021-03-26 15:06:02,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 481 transitions, 13009 flow [2021-03-26 15:06:02,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-26 15:06:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-26 15:06:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 955 transitions. [2021-03-26 15:06:02,135 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4019360269360269 [2021-03-26 15:06:02,135 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 955 transitions. [2021-03-26 15:06:02,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 955 transitions. [2021-03-26 15:06:02,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:02,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 955 transitions. [2021-03-26 15:06:02,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 53.05555555555556) internal successors, (955), 18 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:02,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:02,137 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 132.0) internal successors, (2508), 19 states have internal predecessors, (2508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:02,137 INFO L185 Difference]: Start difference. First operand has 465 places, 468 transitions, 11962 flow. Second operand 18 states and 955 transitions. [2021-03-26 15:06:02,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 481 transitions, 13009 flow [2021-03-26 15:06:02,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 481 transitions, 12747 flow, removed 6 selfloop flow, removed 15 redundant places. [2021-03-26 15:06:02,472 INFO L241 Difference]: Finished difference. Result has 469 places, 460 transitions, 11663 flow [2021-03-26 15:06:02,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=11700, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=11663, PETRI_PLACES=469, PETRI_TRANSITIONS=460} [2021-03-26 15:06:02,472 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 416 predicate places. [2021-03-26 15:06:02,473 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:02,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 469 places, 460 transitions, 11663 flow [2021-03-26 15:06:02,473 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 469 places, 460 transitions, 11663 flow [2021-03-26 15:06:02,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 460 transitions, 11663 flow [2021-03-26 15:06:02,607 INFO L129 PetriNetUnfolder]: 392/959 cut-off events. [2021-03-26 15:06:02,607 INFO L130 PetriNetUnfolder]: For 48526/48575 co-relation queries the response was YES. [2021-03-26 15:06:02,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10266 conditions, 959 events. 392/959 cut-off events. For 48526/48575 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6190 event pairs, 6 based on Foata normal form. 8/840 useless extension candidates. Maximal degree in co-relation 10060. Up to 213 conditions per place. [2021-03-26 15:06:02,627 INFO L142 LiptonReduction]: Number of co-enabled transitions 1662 [2021-03-26 15:06:02,711 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:02,711 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:06:02,711 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 238 [2021-03-26 15:06:02,711 INFO L480 AbstractCegarLoop]: Abstraction has has 466 places, 459 transitions, 11633 flow [2021-03-26 15:06:02,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:02,711 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:02,711 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:02,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-03-26 15:06:02,711 INFO L428 AbstractCegarLoop]: === Iteration 215 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:02,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:02,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1474921490, now seen corresponding path program 89 times [2021-03-26 15:06:02,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:02,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541482416] [2021-03-26 15:06:02,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:02,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:02,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:02,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:02,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:02,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:02,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:02,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:02,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:02,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:02,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:02,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:02,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:02,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:02,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:02,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:02,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:02,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:02,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:02,825 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:02,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:02,856 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:02,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:02,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541482416] [2021-03-26 15:06:02,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:02,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:06:02,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663416681] [2021-03-26 15:06:02,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:06:02,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:02,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:06:02,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:06:02,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 15:06:02,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 459 transitions, 11633 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:02,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:02,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 15:06:02,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:03,498 INFO L129 PetriNetUnfolder]: 455/1058 cut-off events. [2021-03-26 15:06:03,498 INFO L130 PetriNetUnfolder]: For 54175/54188 co-relation queries the response was YES. [2021-03-26 15:06:03,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11950 conditions, 1058 events. 455/1058 cut-off events. For 54175/54188 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6706 event pairs, 23 based on Foata normal form. 14/943 useless extension candidates. Maximal degree in co-relation 11740. Up to 607 conditions per place. [2021-03-26 15:06:03,515 INFO L132 encePairwiseOnDemand]: 115/133 looper letters, 371 selfloop transitions, 71 changer transitions 11/471 dead transitions. [2021-03-26 15:06:03,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 471 transitions, 12631 flow [2021-03-26 15:06:03,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:06:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:06:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 849 transitions. [2021-03-26 15:06:03,516 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39896616541353386 [2021-03-26 15:06:03,516 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 849 transitions. [2021-03-26 15:06:03,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 849 transitions. [2021-03-26 15:06:03,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:03,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 849 transitions. [2021-03-26 15:06:03,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.0625) internal successors, (849), 16 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:03,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 133.0) internal successors, (2261), 17 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:03,518 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 133.0) internal successors, (2261), 17 states have internal predecessors, (2261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:03,518 INFO L185 Difference]: Start difference. First operand has 466 places, 459 transitions, 11633 flow. Second operand 16 states and 849 transitions. [2021-03-26 15:06:03,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 471 transitions, 12631 flow [2021-03-26 15:06:03,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 471 transitions, 12182 flow, removed 18 selfloop flow, removed 30 redundant places. [2021-03-26 15:06:03,838 INFO L241 Difference]: Finished difference. Result has 453 places, 449 transitions, 11076 flow [2021-03-26 15:06:03,838 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=11186, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=11076, PETRI_PLACES=453, PETRI_TRANSITIONS=449} [2021-03-26 15:06:03,838 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 400 predicate places. [2021-03-26 15:06:03,838 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:03,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 449 transitions, 11076 flow [2021-03-26 15:06:03,839 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 449 transitions, 11076 flow [2021-03-26 15:06:03,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 445 places, 449 transitions, 11076 flow [2021-03-26 15:06:03,974 INFO L129 PetriNetUnfolder]: 408/968 cut-off events. [2021-03-26 15:06:03,974 INFO L130 PetriNetUnfolder]: For 49636/49657 co-relation queries the response was YES. [2021-03-26 15:06:03,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10291 conditions, 968 events. 408/968 cut-off events. For 49636/49657 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 6276 event pairs, 6 based on Foata normal form. 4/845 useless extension candidates. Maximal degree in co-relation 10090. Up to 222 conditions per place. [2021-03-26 15:06:03,993 INFO L142 LiptonReduction]: Number of co-enabled transitions 1632 [2021-03-26 15:06:04,016 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:04,017 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:04,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 179 [2021-03-26 15:06:04,017 INFO L480 AbstractCegarLoop]: Abstraction has has 445 places, 449 transitions, 11076 flow [2021-03-26 15:06:04,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:04,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:04,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:04,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-03-26 15:06:04,017 INFO L428 AbstractCegarLoop]: === Iteration 216 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:04,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:04,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1727179794, now seen corresponding path program 1 times [2021-03-26 15:06:04,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:04,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888982668] [2021-03-26 15:06:04,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:04,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:04,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:04,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:04,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:04,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:04,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:04,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:04,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:04,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:04,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:04,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:04,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:04,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:04,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:04,114 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:04,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:04,127 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:04,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:04,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888982668] [2021-03-26 15:06:04,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:04,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:04,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565617717] [2021-03-26 15:06:04,130 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:04,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:04,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:04,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:04,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 15:06:04,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 449 transitions, 11076 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:04,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:04,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 15:06:04,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:04,607 INFO L129 PetriNetUnfolder]: 453/1045 cut-off events. [2021-03-26 15:06:04,607 INFO L130 PetriNetUnfolder]: For 52931/52944 co-relation queries the response was YES. [2021-03-26 15:06:04,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11730 conditions, 1045 events. 453/1045 cut-off events. For 52931/52944 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6587 event pairs, 12 based on Foata normal form. 14/931 useless extension candidates. Maximal degree in co-relation 11522. Up to 614 conditions per place. [2021-03-26 15:06:04,622 INFO L132 encePairwiseOnDemand]: 117/133 looper letters, 359 selfloop transitions, 78 changer transitions 5/460 dead transitions. [2021-03-26 15:06:04,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 460 transitions, 12238 flow [2021-03-26 15:06:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 645 transitions. [2021-03-26 15:06:04,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4041353383458647 [2021-03-26 15:06:04,624 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 645 transitions. [2021-03-26 15:06:04,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 645 transitions. [2021-03-26 15:06:04,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:04,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 645 transitions. [2021-03-26 15:06:04,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.75) internal successors, (645), 12 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:04,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 133.0) internal successors, (1729), 13 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:04,625 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 133.0) internal successors, (1729), 13 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:04,625 INFO L185 Difference]: Start difference. First operand has 445 places, 449 transitions, 11076 flow. Second operand 12 states and 645 transitions. [2021-03-26 15:06:04,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 460 transitions, 12238 flow [2021-03-26 15:06:04,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 460 transitions, 11682 flow, removed 139 selfloop flow, removed 24 redundant places. [2021-03-26 15:06:04,930 INFO L241 Difference]: Finished difference. Result has 436 places, 448 transitions, 10751 flow [2021-03-26 15:06:04,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=10528, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10751, PETRI_PLACES=436, PETRI_TRANSITIONS=448} [2021-03-26 15:06:04,930 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 383 predicate places. [2021-03-26 15:06:04,930 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:04,930 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 436 places, 448 transitions, 10751 flow [2021-03-26 15:06:04,930 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 436 places, 448 transitions, 10751 flow [2021-03-26 15:06:04,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 435 places, 448 transitions, 10751 flow [2021-03-26 15:06:05,073 INFO L129 PetriNetUnfolder]: 388/927 cut-off events. [2021-03-26 15:06:05,073 INFO L130 PetriNetUnfolder]: For 48385/48433 co-relation queries the response was YES. [2021-03-26 15:06:05,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9975 conditions, 927 events. 388/927 cut-off events. For 48385/48433 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 5914 event pairs, 6 based on Foata normal form. 6/816 useless extension candidates. Maximal degree in co-relation 9779. Up to 217 conditions per place. [2021-03-26 15:06:05,091 INFO L142 LiptonReduction]: Number of co-enabled transitions 1632 [2021-03-26 15:06:05,113 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:05,113 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:05,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 184 [2021-03-26 15:06:05,114 INFO L480 AbstractCegarLoop]: Abstraction has has 435 places, 448 transitions, 10751 flow [2021-03-26 15:06:05,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:05,114 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:05,114 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:05,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-03-26 15:06:05,114 INFO L428 AbstractCegarLoop]: === Iteration 217 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:05,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:05,114 INFO L82 PathProgramCache]: Analyzing trace with hash -883800722, now seen corresponding path program 2 times [2021-03-26 15:06:05,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:05,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692273262] [2021-03-26 15:06:05,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:05,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:05,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:05,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:05,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:05,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:05,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:05,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:05,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:05,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:05,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:05,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:05,182 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:06:05,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:06:05,194 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:05,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:05,200 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:05,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:05,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692273262] [2021-03-26 15:06:05,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:05,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:05,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072969519] [2021-03-26 15:06:05,203 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:05,203 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:05,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:05,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:05,203 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 15:06:05,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 448 transitions, 10751 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:05,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:05,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 15:06:05,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:05,593 INFO L129 PetriNetUnfolder]: 445/1024 cut-off events. [2021-03-26 15:06:05,593 INFO L130 PetriNetUnfolder]: For 50128/50132 co-relation queries the response was YES. [2021-03-26 15:06:05,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11428 conditions, 1024 events. 445/1024 cut-off events. For 50128/50132 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6349 event pairs, 23 based on Foata normal form. 5/907 useless extension candidates. Maximal degree in co-relation 11224. Up to 646 conditions per place. [2021-03-26 15:06:05,608 INFO L132 encePairwiseOnDemand]: 120/133 looper letters, 408 selfloop transitions, 25 changer transitions 2/453 dead transitions. [2021-03-26 15:06:05,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 453 transitions, 11705 flow [2021-03-26 15:06:05,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 577 transitions. [2021-03-26 15:06:05,609 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3943950786056049 [2021-03-26 15:06:05,609 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 577 transitions. [2021-03-26 15:06:05,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 577 transitions. [2021-03-26 15:06:05,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:05,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 577 transitions. [2021-03-26 15:06:05,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 52.45454545454545) internal successors, (577), 11 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:05,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 133.0) internal successors, (1596), 12 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:05,611 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 133.0) internal successors, (1596), 12 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:05,611 INFO L185 Difference]: Start difference. First operand has 435 places, 448 transitions, 10751 flow. Second operand 11 states and 577 transitions. [2021-03-26 15:06:05,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 453 transitions, 11705 flow [2021-03-26 15:06:05,891 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 453 transitions, 11266 flow, removed 74 selfloop flow, removed 17 redundant places. [2021-03-26 15:06:05,898 INFO L241 Difference]: Finished difference. Result has 430 places, 447 transitions, 10342 flow [2021-03-26 15:06:05,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=10318, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10342, PETRI_PLACES=430, PETRI_TRANSITIONS=447} [2021-03-26 15:06:05,898 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 377 predicate places. [2021-03-26 15:06:05,898 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:05,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 430 places, 447 transitions, 10342 flow [2021-03-26 15:06:05,899 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 430 places, 447 transitions, 10342 flow [2021-03-26 15:06:05,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 429 places, 447 transitions, 10342 flow [2021-03-26 15:06:06,023 INFO L129 PetriNetUnfolder]: 382/918 cut-off events. [2021-03-26 15:06:06,023 INFO L130 PetriNetUnfolder]: For 43896/43944 co-relation queries the response was YES. [2021-03-26 15:06:06,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9614 conditions, 918 events. 382/918 cut-off events. For 43896/43944 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5902 event pairs, 9 based on Foata normal form. 6/812 useless extension candidates. Maximal degree in co-relation 9422. Up to 217 conditions per place. [2021-03-26 15:06:06,041 INFO L142 LiptonReduction]: Number of co-enabled transitions 1632 [2021-03-26 15:06:06,064 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:06,064 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:06,064 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 166 [2021-03-26 15:06:06,064 INFO L480 AbstractCegarLoop]: Abstraction has has 429 places, 447 transitions, 10342 flow [2021-03-26 15:06:06,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:06,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:06,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:06,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-03-26 15:06:06,064 INFO L428 AbstractCegarLoop]: === Iteration 218 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:06,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:06,065 INFO L82 PathProgramCache]: Analyzing trace with hash 153244038, now seen corresponding path program 3 times [2021-03-26 15:06:06,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:06,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960822363] [2021-03-26 15:06:06,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:06,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:06,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:06,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:06,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:06,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:06,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:06,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:06,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:06,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:06,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:06,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:06,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:06,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:06,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:06,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:06,145 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:06,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:06,159 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:06,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:06,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960822363] [2021-03-26 15:06:06,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:06,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:06,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000428439] [2021-03-26 15:06:06,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:06,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:06,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:06,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:06,162 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 15:06:06,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 447 transitions, 10342 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:06,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:06,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 15:06:06,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:06,666 INFO L129 PetriNetUnfolder]: 452/1045 cut-off events. [2021-03-26 15:06:06,666 INFO L130 PetriNetUnfolder]: For 46649/46664 co-relation queries the response was YES. [2021-03-26 15:06:06,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11093 conditions, 1045 events. 452/1045 cut-off events. For 46649/46664 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6634 event pairs, 6 based on Foata normal form. 16/932 useless extension candidates. Maximal degree in co-relation 10893. Up to 634 conditions per place. [2021-03-26 15:06:06,682 INFO L132 encePairwiseOnDemand]: 117/133 looper letters, 396 selfloop transitions, 43 changer transitions 0/457 dead transitions. [2021-03-26 15:06:06,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 457 transitions, 11345 flow [2021-03-26 15:06:06,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:06,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 638 transitions. [2021-03-26 15:06:06,683 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39974937343358397 [2021-03-26 15:06:06,683 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 638 transitions. [2021-03-26 15:06:06,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 638 transitions. [2021-03-26 15:06:06,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:06,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 638 transitions. [2021-03-26 15:06:06,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.166666666666664) internal successors, (638), 12 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:06,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 133.0) internal successors, (1729), 13 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:06,684 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 133.0) internal successors, (1729), 13 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:06,684 INFO L185 Difference]: Start difference. First operand has 429 places, 447 transitions, 10342 flow. Second operand 12 states and 638 transitions. [2021-03-26 15:06:06,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 457 transitions, 11345 flow [2021-03-26 15:06:06,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 457 transitions, 11179 flow, removed 16 selfloop flow, removed 16 redundant places. [2021-03-26 15:06:06,944 INFO L241 Difference]: Finished difference. Result has 427 places, 450 transitions, 10378 flow [2021-03-26 15:06:06,944 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=10176, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10378, PETRI_PLACES=427, PETRI_TRANSITIONS=450} [2021-03-26 15:06:06,944 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 374 predicate places. [2021-03-26 15:06:06,944 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:06,945 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 427 places, 450 transitions, 10378 flow [2021-03-26 15:06:06,945 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 427 places, 450 transitions, 10378 flow [2021-03-26 15:06:06,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 427 places, 450 transitions, 10378 flow [2021-03-26 15:06:07,076 INFO L129 PetriNetUnfolder]: 404/969 cut-off events. [2021-03-26 15:06:07,076 INFO L130 PetriNetUnfolder]: For 43442/43457 co-relation queries the response was YES. [2021-03-26 15:06:07,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9889 conditions, 969 events. 404/969 cut-off events. For 43442/43457 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 6337 event pairs, 13 based on Foata normal form. 2/848 useless extension candidates. Maximal degree in co-relation 9697. Up to 224 conditions per place. [2021-03-26 15:06:07,096 INFO L142 LiptonReduction]: Number of co-enabled transitions 1666 [2021-03-26 15:06:07,119 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:07,119 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:07,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 175 [2021-03-26 15:06:07,120 INFO L480 AbstractCegarLoop]: Abstraction has has 427 places, 450 transitions, 10378 flow [2021-03-26 15:06:07,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:07,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:07,120 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:07,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-03-26 15:06:07,120 INFO L428 AbstractCegarLoop]: === Iteration 219 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:07,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:07,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1165863284, now seen corresponding path program 4 times [2021-03-26 15:06:07,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:07,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981485457] [2021-03-26 15:06:07,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:07,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:07,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:07,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:07,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:07,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:07,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:07,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:07,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:07,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:07,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:07,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:07,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:07,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:07,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:07,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:07,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:07,204 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:07,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:07,218 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:07,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:07,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981485457] [2021-03-26 15:06:07,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:07,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:07,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347874408] [2021-03-26 15:06:07,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:07,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:07,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:07,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:07,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 15:06:07,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 450 transitions, 10378 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:07,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:07,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 15:06:07,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:07,630 INFO L129 PetriNetUnfolder]: 453/1053 cut-off events. [2021-03-26 15:06:07,631 INFO L130 PetriNetUnfolder]: For 46429/46444 co-relation queries the response was YES. [2021-03-26 15:06:07,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11077 conditions, 1053 events. 453/1053 cut-off events. For 46429/46444 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6724 event pairs, 6 based on Foata normal form. 12/934 useless extension candidates. Maximal degree in co-relation 10877. Up to 646 conditions per place. [2021-03-26 15:06:07,647 INFO L132 encePairwiseOnDemand]: 120/133 looper letters, 409 selfloop transitions, 23 changer transitions 5/455 dead transitions. [2021-03-26 15:06:07,647 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 455 transitions, 11297 flow [2021-03-26 15:06:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 625 transitions. [2021-03-26 15:06:07,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3916040100250627 [2021-03-26 15:06:07,648 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 625 transitions. [2021-03-26 15:06:07,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 625 transitions. [2021-03-26 15:06:07,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:07,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 625 transitions. [2021-03-26 15:06:07,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 52.083333333333336) internal successors, (625), 12 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:07,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 133.0) internal successors, (1729), 13 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:07,649 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 133.0) internal successors, (1729), 13 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:07,649 INFO L185 Difference]: Start difference. First operand has 427 places, 450 transitions, 10378 flow. Second operand 12 states and 625 transitions. [2021-03-26 15:06:07,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 455 transitions, 11297 flow [2021-03-26 15:06:07,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 455 transitions, 11158 flow, removed 32 selfloop flow, removed 7 redundant places. [2021-03-26 15:06:07,936 INFO L241 Difference]: Finished difference. Result has 433 places, 446 transitions, 10239 flow [2021-03-26 15:06:07,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=10239, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10239, PETRI_PLACES=433, PETRI_TRANSITIONS=446} [2021-03-26 15:06:07,936 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 380 predicate places. [2021-03-26 15:06:07,936 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:07,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 433 places, 446 transitions, 10239 flow [2021-03-26 15:06:07,936 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 433 places, 446 transitions, 10239 flow [2021-03-26 15:06:07,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 428 places, 446 transitions, 10239 flow [2021-03-26 15:06:08,077 INFO L129 PetriNetUnfolder]: 394/947 cut-off events. [2021-03-26 15:06:08,077 INFO L130 PetriNetUnfolder]: For 42413/42451 co-relation queries the response was YES. [2021-03-26 15:06:08,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9797 conditions, 947 events. 394/947 cut-off events. For 42413/42451 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6079 event pairs, 18 based on Foata normal form. 4/834 useless extension candidates. Maximal degree in co-relation 9613. Up to 222 conditions per place. [2021-03-26 15:06:08,095 INFO L142 LiptonReduction]: Number of co-enabled transitions 1632 [2021-03-26 15:06:08,117 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:08,117 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:08,118 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182 [2021-03-26 15:06:08,118 INFO L480 AbstractCegarLoop]: Abstraction has has 428 places, 446 transitions, 10239 flow [2021-03-26 15:06:08,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:08,118 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:08,118 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:08,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-03-26 15:06:08,118 INFO L428 AbstractCegarLoop]: === Iteration 220 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:08,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:08,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1424222462, now seen corresponding path program 5 times [2021-03-26 15:06:08,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:08,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450019631] [2021-03-26 15:06:08,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:08,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:08,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:08,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:08,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:08,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:08,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:08,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:08,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:08,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:08,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:08,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:08,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:08,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:08,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:08,197 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:06:08,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:06:08,210 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:08,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:08,224 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:08,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:08,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450019631] [2021-03-26 15:06:08,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:08,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:08,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426107443] [2021-03-26 15:06:08,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:08,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:08,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:08,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:08,227 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 15:06:08,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 446 transitions, 10239 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:08,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:08,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 15:06:08,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:08,624 INFO L129 PetriNetUnfolder]: 444/1024 cut-off events. [2021-03-26 15:06:08,624 INFO L130 PetriNetUnfolder]: For 45569/45573 co-relation queries the response was YES. [2021-03-26 15:06:08,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10973 conditions, 1024 events. 444/1024 cut-off events. For 45569/45573 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 6325 event pairs, 24 based on Foata normal form. 5/906 useless extension candidates. Maximal degree in co-relation 10787. Up to 644 conditions per place. [2021-03-26 15:06:08,639 INFO L132 encePairwiseOnDemand]: 120/133 looper letters, 408 selfloop transitions, 20 changer transitions 5/451 dead transitions. [2021-03-26 15:06:08,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 451 transitions, 11151 flow [2021-03-26 15:06:08,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 623 transitions. [2021-03-26 15:06:08,641 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.39035087719298245 [2021-03-26 15:06:08,641 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 623 transitions. [2021-03-26 15:06:08,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 623 transitions. [2021-03-26 15:06:08,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:08,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 623 transitions. [2021-03-26 15:06:08,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 51.916666666666664) internal successors, (623), 12 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:08,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 133.0) internal successors, (1729), 13 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:08,642 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 133.0) internal successors, (1729), 13 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:08,642 INFO L185 Difference]: Start difference. First operand has 428 places, 446 transitions, 10239 flow. Second operand 12 states and 623 transitions. [2021-03-26 15:06:08,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 451 transitions, 11151 flow [2021-03-26 15:06:08,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 451 transitions, 11069 flow, removed 6 selfloop flow, removed 15 redundant places. [2021-03-26 15:06:08,922 INFO L241 Difference]: Finished difference. Result has 426 places, 442 transitions, 10123 flow [2021-03-26 15:06:08,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=10157, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10123, PETRI_PLACES=426, PETRI_TRANSITIONS=442} [2021-03-26 15:06:08,922 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 373 predicate places. [2021-03-26 15:06:08,922 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:08,922 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 442 transitions, 10123 flow [2021-03-26 15:06:08,923 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 442 transitions, 10123 flow [2021-03-26 15:06:08,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 418 places, 442 transitions, 10123 flow [2021-03-26 15:06:09,047 INFO L129 PetriNetUnfolder]: 383/921 cut-off events. [2021-03-26 15:06:09,047 INFO L130 PetriNetUnfolder]: For 41222/41270 co-relation queries the response was YES. [2021-03-26 15:06:09,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9471 conditions, 921 events. 383/921 cut-off events. For 41222/41270 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5952 event pairs, 8 based on Foata normal form. 6/812 useless extension candidates. Maximal degree in co-relation 9289. Up to 216 conditions per place. [2021-03-26 15:06:09,065 INFO L142 LiptonReduction]: Number of co-enabled transitions 1630 [2021-03-26 15:06:09,088 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:09,088 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:09,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 166 [2021-03-26 15:06:09,088 INFO L480 AbstractCegarLoop]: Abstraction has has 418 places, 442 transitions, 10123 flow [2021-03-26 15:06:09,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:09,088 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:09,088 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:09,088 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-03-26 15:06:09,088 INFO L428 AbstractCegarLoop]: === Iteration 221 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:09,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:09,089 INFO L82 PathProgramCache]: Analyzing trace with hash 799347128, now seen corresponding path program 90 times [2021-03-26 15:06:09,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:09,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253509445] [2021-03-26 15:06:09,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:09,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:09,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:09,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:09,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:09,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:09,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:09,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:09,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:09,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:09,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:09,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:06:09,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:09,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:09,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:09,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:09,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:09,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:09,200 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:09,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:09,215 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:09,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:09,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:09,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253509445] [2021-03-26 15:06:09,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:09,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:09,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938722156] [2021-03-26 15:06:09,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:09,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:09,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:09,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:09,218 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 15:06:09,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 442 transitions, 10123 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:09,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:09,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 15:06:09,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:09,758 INFO L129 PetriNetUnfolder]: 441/1014 cut-off events. [2021-03-26 15:06:09,758 INFO L130 PetriNetUnfolder]: For 45310/45314 co-relation queries the response was YES. [2021-03-26 15:06:09,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10858 conditions, 1014 events. 441/1014 cut-off events. For 45310/45314 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6221 event pairs, 26 based on Foata normal form. 5/898 useless extension candidates. Maximal degree in co-relation 10674. Up to 576 conditions per place. [2021-03-26 15:06:09,773 INFO L132 encePairwiseOnDemand]: 115/133 looper letters, 351 selfloop transitions, 82 changer transitions 0/451 dead transitions. [2021-03-26 15:06:09,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 451 transitions, 11043 flow [2021-03-26 15:06:09,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:06:09,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:06:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 700 transitions. [2021-03-26 15:06:09,774 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4048582995951417 [2021-03-26 15:06:09,774 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 700 transitions. [2021-03-26 15:06:09,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 700 transitions. [2021-03-26 15:06:09,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:09,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 700 transitions. [2021-03-26 15:06:09,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.84615384615385) internal successors, (700), 13 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:09,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 133.0) internal successors, (1862), 14 states have internal predecessors, (1862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:09,776 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 133.0) internal successors, (1862), 14 states have internal predecessors, (1862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:09,776 INFO L185 Difference]: Start difference. First operand has 418 places, 442 transitions, 10123 flow. Second operand 13 states and 700 transitions. [2021-03-26 15:06:09,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 451 transitions, 11043 flow [2021-03-26 15:06:10,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 451 transitions, 10999 flow, removed 2 selfloop flow, removed 8 redundant places. [2021-03-26 15:06:10,052 INFO L241 Difference]: Finished difference. Result has 423 places, 442 transitions, 10253 flow [2021-03-26 15:06:10,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=10079, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=10253, PETRI_PLACES=423, PETRI_TRANSITIONS=442} [2021-03-26 15:06:10,052 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 370 predicate places. [2021-03-26 15:06:10,052 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:10,052 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 442 transitions, 10253 flow [2021-03-26 15:06:10,052 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 442 transitions, 10253 flow [2021-03-26 15:06:10,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 442 transitions, 10253 flow [2021-03-26 15:06:10,175 INFO L129 PetriNetUnfolder]: 388/937 cut-off events. [2021-03-26 15:06:10,176 INFO L130 PetriNetUnfolder]: For 42588/42702 co-relation queries the response was YES. [2021-03-26 15:06:10,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9558 conditions, 937 events. 388/937 cut-off events. For 42588/42702 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6023 event pairs, 16 based on Foata normal form. 5/822 useless extension candidates. Maximal degree in co-relation 9364. Up to 216 conditions per place. [2021-03-26 15:06:10,193 INFO L142 LiptonReduction]: Number of co-enabled transitions 1630 [2021-03-26 15:06:10,216 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:10,216 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:10,216 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 164 [2021-03-26 15:06:10,216 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 442 transitions, 10253 flow [2021-03-26 15:06:10,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:10,216 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:10,216 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:10,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-03-26 15:06:10,217 INFO L428 AbstractCegarLoop]: === Iteration 222 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:10,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:10,217 INFO L82 PathProgramCache]: Analyzing trace with hash -230487348, now seen corresponding path program 91 times [2021-03-26 15:06:10,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:10,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522068443] [2021-03-26 15:06:10,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:10,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:10,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:10,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:10,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:10,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:10,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:10,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:10,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:10,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:10,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:10,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:10,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:06:10,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:10,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:10,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:10,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:10,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:10,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:10,308 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:10,322 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:10,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:10,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:10,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522068443] [2021-03-26 15:06:10,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:10,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:10,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868517058] [2021-03-26 15:06:10,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:10,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:10,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:10,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:10,325 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 133 [2021-03-26 15:06:10,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 442 transitions, 10253 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:10,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:10,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 133 [2021-03-26 15:06:10,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:10,882 INFO L129 PetriNetUnfolder]: 452/1063 cut-off events. [2021-03-26 15:06:10,882 INFO L130 PetriNetUnfolder]: For 46018/46022 co-relation queries the response was YES. [2021-03-26 15:06:10,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11074 conditions, 1063 events. 452/1063 cut-off events. For 46018/46022 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6742 event pairs, 16 based on Foata normal form. 6/935 useless extension candidates. Maximal degree in co-relation 10876. Up to 568 conditions per place. [2021-03-26 15:06:10,897 INFO L132 encePairwiseOnDemand]: 115/133 looper letters, 317 selfloop transitions, 86 changer transitions 42/463 dead transitions. [2021-03-26 15:06:10,897 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 463 transitions, 11448 flow [2021-03-26 15:06:10,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:06:10,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:06:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 756 transitions. [2021-03-26 15:06:10,898 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40601503759398494 [2021-03-26 15:06:10,898 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 756 transitions. [2021-03-26 15:06:10,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 756 transitions. [2021-03-26 15:06:10,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:10,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 756 transitions. [2021-03-26 15:06:10,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.0) internal successors, (756), 14 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:10,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 133.0) internal successors, (1995), 15 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:10,900 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 133.0) internal successors, (1995), 15 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:10,900 INFO L185 Difference]: Start difference. First operand has 423 places, 442 transitions, 10253 flow. Second operand 14 states and 756 transitions. [2021-03-26 15:06:10,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 463 transitions, 11448 flow [2021-03-26 15:06:11,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 463 transitions, 11234 flow, removed 7 selfloop flow, removed 14 redundant places. [2021-03-26 15:06:11,207 INFO L241 Difference]: Finished difference. Result has 428 places, 410 transitions, 9563 flow [2021-03-26 15:06:11,207 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=10039, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9563, PETRI_PLACES=428, PETRI_TRANSITIONS=410} [2021-03-26 15:06:11,207 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 375 predicate places. [2021-03-26 15:06:11,207 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:11,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 428 places, 410 transitions, 9563 flow [2021-03-26 15:06:11,208 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 428 places, 410 transitions, 9563 flow [2021-03-26 15:06:11,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 410 transitions, 9563 flow [2021-03-26 15:06:11,319 INFO L129 PetriNetUnfolder]: 361/840 cut-off events. [2021-03-26 15:06:11,319 INFO L130 PetriNetUnfolder]: For 41190/41238 co-relation queries the response was YES. [2021-03-26 15:06:11,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8978 conditions, 840 events. 361/840 cut-off events. For 41190/41238 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 5047 event pairs, 15 based on Foata normal form. 7/742 useless extension candidates. Maximal degree in co-relation 8792. Up to 207 conditions per place. [2021-03-26 15:06:11,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 1458 [2021-03-26 15:06:11,421 INFO L154 LiptonReduction]: Checked pairs total: 7 [2021-03-26 15:06:11,421 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:06:11,421 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 214 [2021-03-26 15:06:11,421 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 410 transitions, 9596 flow [2021-03-26 15:06:11,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:11,421 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:11,422 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:11,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-03-26 15:06:11,422 INFO L428 AbstractCegarLoop]: === Iteration 223 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:11,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:11,422 INFO L82 PathProgramCache]: Analyzing trace with hash -509920843, now seen corresponding path program 1 times [2021-03-26 15:06:11,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:11,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322621028] [2021-03-26 15:06:11,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:11,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:11,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:11,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:11,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:11,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:11,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:11,453 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:06:11,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:11,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:11,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:11,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:11,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:11,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:11,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:11,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:11,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:11,525 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:11,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:11,544 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:11,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:11,564 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:11,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:11,568 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322621028] [2021-03-26 15:06:11,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:11,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:06:11,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630854620] [2021-03-26 15:06:11,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:06:11,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:11,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:06:11,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:06:11,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 135 [2021-03-26 15:06:11,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 410 transitions, 9596 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:11,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:11,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 135 [2021-03-26 15:06:11,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:12,124 INFO L129 PetriNetUnfolder]: 438/975 cut-off events. [2021-03-26 15:06:12,124 INFO L130 PetriNetUnfolder]: For 50495/50510 co-relation queries the response was YES. [2021-03-26 15:06:12,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11042 conditions, 975 events. 438/975 cut-off events. For 50495/50510 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 5891 event pairs, 7 based on Foata normal form. 16/877 useless extension candidates. Maximal degree in co-relation 10854. Up to 584 conditions per place. [2021-03-26 15:06:12,139 INFO L132 encePairwiseOnDemand]: 119/135 looper letters, 370 selfloop transitions, 54 changer transitions 0/442 dead transitions. [2021-03-26 15:06:12,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 442 transitions, 11341 flow [2021-03-26 15:06:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:06:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:06:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 791 transitions. [2021-03-26 15:06:12,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3906172839506173 [2021-03-26 15:06:12,140 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 791 transitions. [2021-03-26 15:06:12,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 791 transitions. [2021-03-26 15:06:12,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:12,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 791 transitions. [2021-03-26 15:06:12,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.733333333333334) internal successors, (791), 15 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:12,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 135.0) internal successors, (2160), 16 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:12,141 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 135.0) internal successors, (2160), 16 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:12,141 INFO L185 Difference]: Start difference. First operand has 412 places, 410 transitions, 9596 flow. Second operand 15 states and 791 transitions. [2021-03-26 15:06:12,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 442 transitions, 11341 flow [2021-03-26 15:06:12,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 442 transitions, 10592 flow, removed 166 selfloop flow, removed 28 redundant places. [2021-03-26 15:06:12,393 INFO L241 Difference]: Finished difference. Result has 405 places, 430 transitions, 9723 flow [2021-03-26 15:06:12,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=8875, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=9723, PETRI_PLACES=405, PETRI_TRANSITIONS=430} [2021-03-26 15:06:12,393 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 352 predicate places. [2021-03-26 15:06:12,393 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:12,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 405 places, 430 transitions, 9723 flow [2021-03-26 15:06:12,393 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 405 places, 430 transitions, 9723 flow [2021-03-26 15:06:12,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 405 places, 430 transitions, 9723 flow [2021-03-26 15:06:12,515 INFO L129 PetriNetUnfolder]: 394/915 cut-off events. [2021-03-26 15:06:12,515 INFO L130 PetriNetUnfolder]: For 44861/44910 co-relation queries the response was YES. [2021-03-26 15:06:12,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9672 conditions, 915 events. 394/915 cut-off events. For 44861/44910 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5641 event pairs, 11 based on Foata normal form. 7/808 useless extension candidates. Maximal degree in co-relation 9478. Up to 222 conditions per place. [2021-03-26 15:06:12,532 INFO L142 LiptonReduction]: Number of co-enabled transitions 1554 [2021-03-26 15:06:12,618 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-26 15:06:12,618 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:06:12,618 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-03-26 15:06:12,618 INFO L480 AbstractCegarLoop]: Abstraction has has 404 places, 429 transitions, 9718 flow [2021-03-26 15:06:12,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:12,619 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:12,619 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:12,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-03-26 15:06:12,619 INFO L428 AbstractCegarLoop]: === Iteration 224 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:12,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:12,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1325972633, now seen corresponding path program 1 times [2021-03-26 15:06:12,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:12,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551299509] [2021-03-26 15:06:12,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:12,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:12,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:12,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:12,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:12,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:12,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:12,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:12,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:12,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:12,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:12,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:12,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:12,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:12,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:12,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:12,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:12,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:12,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:12,701 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:12,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:12,716 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:12,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:12,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:12,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551299509] [2021-03-26 15:06:12,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:12,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:12,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707092855] [2021-03-26 15:06:12,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:12,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:12,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:12,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:12,719 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 15:06:12,719 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 429 transitions, 9718 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:12,719 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:12,719 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 15:06:12,719 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:13,234 INFO L129 PetriNetUnfolder]: 443/987 cut-off events. [2021-03-26 15:06:13,234 INFO L130 PetriNetUnfolder]: For 47549/47553 co-relation queries the response was YES. [2021-03-26 15:06:13,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11046 conditions, 987 events. 443/987 cut-off events. For 47549/47553 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 5885 event pairs, 35 based on Foata normal form. 5/875 useless extension candidates. Maximal degree in co-relation 10848. Up to 597 conditions per place. [2021-03-26 15:06:13,248 INFO L132 encePairwiseOnDemand]: 121/137 looper letters, 360 selfloop transitions, 61 changer transitions 5/444 dead transitions. [2021-03-26 15:06:13,248 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 444 transitions, 11040 flow [2021-03-26 15:06:13,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:06:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:06:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 752 transitions. [2021-03-26 15:06:13,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3920750782064651 [2021-03-26 15:06:13,249 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 752 transitions. [2021-03-26 15:06:13,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 752 transitions. [2021-03-26 15:06:13,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:13,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 752 transitions. [2021-03-26 15:06:13,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.714285714285715) internal successors, (752), 14 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:13,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 137.0) internal successors, (2055), 15 states have internal predecessors, (2055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:13,251 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 137.0) internal successors, (2055), 15 states have internal predecessors, (2055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:13,251 INFO L185 Difference]: Start difference. First operand has 404 places, 429 transitions, 9718 flow. Second operand 14 states and 752 transitions. [2021-03-26 15:06:13,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 444 transitions, 11040 flow [2021-03-26 15:06:13,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 444 transitions, 10383 flow, removed 300 selfloop flow, removed 5 redundant places. [2021-03-26 15:06:13,518 INFO L241 Difference]: Finished difference. Result has 417 places, 430 transitions, 9380 flow [2021-03-26 15:06:13,518 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=9085, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9380, PETRI_PLACES=417, PETRI_TRANSITIONS=430} [2021-03-26 15:06:13,518 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 364 predicate places. [2021-03-26 15:06:13,519 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:13,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 417 places, 430 transitions, 9380 flow [2021-03-26 15:06:13,519 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 417 places, 430 transitions, 9380 flow [2021-03-26 15:06:13,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 416 places, 430 transitions, 9380 flow [2021-03-26 15:06:13,639 INFO L129 PetriNetUnfolder]: 394/901 cut-off events. [2021-03-26 15:06:13,640 INFO L130 PetriNetUnfolder]: For 41968/42084 co-relation queries the response was YES. [2021-03-26 15:06:13,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9386 conditions, 901 events. 394/901 cut-off events. For 41968/42084 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5501 event pairs, 30 based on Foata normal form. 6/797 useless extension candidates. Maximal degree in co-relation 9187. Up to 209 conditions per place. [2021-03-26 15:06:13,657 INFO L142 LiptonReduction]: Number of co-enabled transitions 1568 [2021-03-26 15:06:13,678 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:13,678 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:13,679 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-03-26 15:06:13,679 INFO L480 AbstractCegarLoop]: Abstraction has has 416 places, 430 transitions, 9380 flow [2021-03-26 15:06:13,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:13,679 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:13,679 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:13,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-03-26 15:06:13,679 INFO L428 AbstractCegarLoop]: === Iteration 225 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:13,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:13,679 INFO L82 PathProgramCache]: Analyzing trace with hash 144648437, now seen corresponding path program 2 times [2021-03-26 15:06:13,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:13,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748546917] [2021-03-26 15:06:13,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:13,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:13,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:13,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:13,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:13,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:13,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:13,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:13,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:13,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:13,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:13,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:13,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:13,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:13,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:13,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:13,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:13,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:13,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:13,774 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:13,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:13,790 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:13,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:13,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748546917] [2021-03-26 15:06:13,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:13,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:06:13,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48118047] [2021-03-26 15:06:13,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:06:13,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:13,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:06:13,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:06:13,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 137 [2021-03-26 15:06:13,793 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 430 transitions, 9380 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:13,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:13,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 137 [2021-03-26 15:06:13,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:14,357 INFO L129 PetriNetUnfolder]: 456/1019 cut-off events. [2021-03-26 15:06:14,358 INFO L130 PetriNetUnfolder]: For 46816/46829 co-relation queries the response was YES. [2021-03-26 15:06:14,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11122 conditions, 1019 events. 456/1019 cut-off events. For 46816/46829 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 6142 event pairs, 19 based on Foata normal form. 14/911 useless extension candidates. Maximal degree in co-relation 10919. Up to 597 conditions per place. [2021-03-26 15:06:14,372 INFO L132 encePairwiseOnDemand]: 120/137 looper letters, 383 selfloop transitions, 64 changer transitions 0/465 dead transitions. [2021-03-26 15:06:14,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 465 transitions, 11253 flow [2021-03-26 15:06:14,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:06:14,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:06:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 843 transitions. [2021-03-26 15:06:14,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3845802919708029 [2021-03-26 15:06:14,373 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 843 transitions. [2021-03-26 15:06:14,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 843 transitions. [2021-03-26 15:06:14,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:14,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 843 transitions. [2021-03-26 15:06:14,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.6875) internal successors, (843), 16 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:14,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:14,375 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 137.0) internal successors, (2329), 17 states have internal predecessors, (2329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:14,375 INFO L185 Difference]: Start difference. First operand has 416 places, 430 transitions, 9380 flow. Second operand 16 states and 843 transitions. [2021-03-26 15:06:14,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 465 transitions, 11253 flow [2021-03-26 15:06:14,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 465 transitions, 11031 flow, removed 52 selfloop flow, removed 13 redundant places. [2021-03-26 15:06:14,664 INFO L241 Difference]: Finished difference. Result has 421 places, 454 transitions, 10125 flow [2021-03-26 15:06:14,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=9174, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=10125, PETRI_PLACES=421, PETRI_TRANSITIONS=454} [2021-03-26 15:06:14,664 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 368 predicate places. [2021-03-26 15:06:14,664 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:14,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 454 transitions, 10125 flow [2021-03-26 15:06:14,664 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 454 transitions, 10125 flow [2021-03-26 15:06:14,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 421 places, 454 transitions, 10125 flow [2021-03-26 15:06:14,791 INFO L129 PetriNetUnfolder]: 395/923 cut-off events. [2021-03-26 15:06:14,791 INFO L130 PetriNetUnfolder]: For 42388/42418 co-relation queries the response was YES. [2021-03-26 15:06:14,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9793 conditions, 923 events. 395/923 cut-off events. For 42388/42418 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5718 event pairs, 27 based on Foata normal form. 10/824 useless extension candidates. Maximal degree in co-relation 9595. Up to 221 conditions per place. [2021-03-26 15:06:14,809 INFO L142 LiptonReduction]: Number of co-enabled transitions 1688 [2021-03-26 15:06:14,897 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:06:14,897 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:06:14,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 234 [2021-03-26 15:06:14,898 INFO L480 AbstractCegarLoop]: Abstraction has has 420 places, 453 transitions, 10122 flow [2021-03-26 15:06:14,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:14,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:14,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:14,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-03-26 15:06:14,898 INFO L428 AbstractCegarLoop]: === Iteration 226 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:14,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:14,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1208562289, now seen corresponding path program 3 times [2021-03-26 15:06:14,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:14,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631750092] [2021-03-26 15:06:14,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:14,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:14,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:14,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:14,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:14,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:14,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:14,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:14,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:14,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:14,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:14,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:14,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:14,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:14,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:14,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:14,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:14,978 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:14,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:14,992 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:14,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:15,008 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:15,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:15,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631750092] [2021-03-26 15:06:15,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:15,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:06:15,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92815185] [2021-03-26 15:06:15,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:06:15,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:15,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:06:15,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:06:15,011 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 139 [2021-03-26 15:06:15,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 453 transitions, 10122 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:15,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:15,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 139 [2021-03-26 15:06:15,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:15,603 INFO L129 PetriNetUnfolder]: 476/1080 cut-off events. [2021-03-26 15:06:15,603 INFO L130 PetriNetUnfolder]: For 49434/49440 co-relation queries the response was YES. [2021-03-26 15:06:15,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11522 conditions, 1080 events. 476/1080 cut-off events. For 49434/49440 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6785 event pairs, 12 based on Foata normal form. 7/949 useless extension candidates. Maximal degree in co-relation 11320. Up to 612 conditions per place. [2021-03-26 15:06:15,619 INFO L132 encePairwiseOnDemand]: 121/139 looper letters, 394 selfloop transitions, 67 changer transitions 0/479 dead transitions. [2021-03-26 15:06:15,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 479 transitions, 11659 flow [2021-03-26 15:06:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:06:15,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:06:15,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 794 transitions. [2021-03-26 15:06:15,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3808153477218225 [2021-03-26 15:06:15,621 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 794 transitions. [2021-03-26 15:06:15,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 794 transitions. [2021-03-26 15:06:15,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:15,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 794 transitions. [2021-03-26 15:06:15,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 52.93333333333333) internal successors, (794), 15 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:15,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:15,622 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 139.0) internal successors, (2224), 16 states have internal predecessors, (2224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:15,622 INFO L185 Difference]: Start difference. First operand has 420 places, 453 transitions, 10122 flow. Second operand 15 states and 794 transitions. [2021-03-26 15:06:15,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 479 transitions, 11659 flow [2021-03-26 15:06:15,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 479 transitions, 11007 flow, removed 313 selfloop flow, removed 3 redundant places. [2021-03-26 15:06:15,949 INFO L241 Difference]: Finished difference. Result has 434 places, 468 transitions, 10127 flow [2021-03-26 15:06:15,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=9480, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=10127, PETRI_PLACES=434, PETRI_TRANSITIONS=468} [2021-03-26 15:06:15,949 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 381 predicate places. [2021-03-26 15:06:15,949 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:15,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 434 places, 468 transitions, 10127 flow [2021-03-26 15:06:15,950 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 434 places, 468 transitions, 10127 flow [2021-03-26 15:06:15,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 434 places, 468 transitions, 10127 flow [2021-03-26 15:06:16,089 INFO L129 PetriNetUnfolder]: 426/996 cut-off events. [2021-03-26 15:06:16,089 INFO L130 PetriNetUnfolder]: For 44429/44434 co-relation queries the response was YES. [2021-03-26 15:06:16,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10155 conditions, 996 events. 426/996 cut-off events. For 44429/44434 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6422 event pairs, 22 based on Foata normal form. 1/872 useless extension candidates. Maximal degree in co-relation 9953. Up to 221 conditions per place. [2021-03-26 15:06:16,110 INFO L142 LiptonReduction]: Number of co-enabled transitions 1834 [2021-03-26 15:06:16,202 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 15:06:16,203 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:06:16,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 254 [2021-03-26 15:06:16,203 INFO L480 AbstractCegarLoop]: Abstraction has has 433 places, 467 transitions, 10126 flow [2021-03-26 15:06:16,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:16,203 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:16,203 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:16,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-03-26 15:06:16,203 INFO L428 AbstractCegarLoop]: === Iteration 227 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:16,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:16,203 INFO L82 PathProgramCache]: Analyzing trace with hash 271736233, now seen corresponding path program 1 times [2021-03-26 15:06:16,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:16,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961845778] [2021-03-26 15:06:16,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:16,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:16,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:16,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:16,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:16,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:16,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:16,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:16,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:16,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:16,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:16,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:16,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:16,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:16,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:16,271 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:06:16,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:06:16,284 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:16,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:16,299 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:16,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:16,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961845778] [2021-03-26 15:06:16,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:16,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:16,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818679574] [2021-03-26 15:06:16,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:16,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:16,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:16,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:16,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 141 [2021-03-26 15:06:16,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 467 transitions, 10126 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:16,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:16,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 141 [2021-03-26 15:06:16,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:16,880 INFO L129 PetriNetUnfolder]: 502/1135 cut-off events. [2021-03-26 15:06:16,880 INFO L130 PetriNetUnfolder]: For 49650/49654 co-relation queries the response was YES. [2021-03-26 15:06:16,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12025 conditions, 1135 events. 502/1135 cut-off events. For 49650/49654 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 7150 event pairs, 25 based on Foata normal form. 5/994 useless extension candidates. Maximal degree in co-relation 11819. Up to 685 conditions per place. [2021-03-26 15:06:16,898 INFO L132 encePairwiseOnDemand]: 124/141 looper letters, 433 selfloop transitions, 52 changer transitions 2/505 dead transitions. [2021-03-26 15:06:16,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 505 transitions, 12482 flow [2021-03-26 15:06:16,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:06:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:06:16,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 747 transitions. [2021-03-26 15:06:16,899 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.378419452887538 [2021-03-26 15:06:16,899 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 747 transitions. [2021-03-26 15:06:16,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 747 transitions. [2021-03-26 15:06:16,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:16,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 747 transitions. [2021-03-26 15:06:16,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.357142857142854) internal successors, (747), 14 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:16,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 141.0) internal successors, (2115), 15 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:16,901 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 141.0) internal successors, (2115), 15 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:16,901 INFO L185 Difference]: Start difference. First operand has 433 places, 467 transitions, 10126 flow. Second operand 14 states and 747 transitions. [2021-03-26 15:06:16,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 505 transitions, 12482 flow [2021-03-26 15:06:17,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 505 transitions, 12061 flow, removed 178 selfloop flow, removed 5 redundant places. [2021-03-26 15:06:17,228 INFO L241 Difference]: Finished difference. Result has 446 places, 495 transitions, 11059 flow [2021-03-26 15:06:17,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=9713, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=467, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11059, PETRI_PLACES=446, PETRI_TRANSITIONS=495} [2021-03-26 15:06:17,228 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 393 predicate places. [2021-03-26 15:06:17,228 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:17,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 446 places, 495 transitions, 11059 flow [2021-03-26 15:06:17,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 446 places, 495 transitions, 11059 flow [2021-03-26 15:06:17,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 445 places, 495 transitions, 11059 flow [2021-03-26 15:06:17,404 INFO L129 PetriNetUnfolder]: 442/1026 cut-off events. [2021-03-26 15:06:17,404 INFO L130 PetriNetUnfolder]: For 53360/53363 co-relation queries the response was YES. [2021-03-26 15:06:17,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10741 conditions, 1026 events. 442/1026 cut-off events. For 53360/53363 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6635 event pairs, 5 based on Foata normal form. 1/904 useless extension candidates. Maximal degree in co-relation 10533. Up to 236 conditions per place. [2021-03-26 15:06:17,426 INFO L142 LiptonReduction]: Number of co-enabled transitions 1866 [2021-03-26 15:06:17,577 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:17,578 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:06:17,578 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 350 [2021-03-26 15:06:17,578 INFO L480 AbstractCegarLoop]: Abstraction has has 445 places, 495 transitions, 11127 flow [2021-03-26 15:06:17,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:17,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:17,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:17,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-03-26 15:06:17,578 INFO L428 AbstractCegarLoop]: === Iteration 228 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:17,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:17,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1925439587, now seen corresponding path program 1 times [2021-03-26 15:06:17,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:17,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083343612] [2021-03-26 15:06:17,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:17,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:17,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:17,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:17,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:17,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:17,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:17,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:17,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:17,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:17,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:17,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:17,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:17,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:17,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:17,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:17,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:17,647 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:17,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:17,661 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:17,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:17,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083343612] [2021-03-26 15:06:17,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:17,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:17,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710729270] [2021-03-26 15:06:17,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:17,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:17,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:17,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:17,664 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 143 [2021-03-26 15:06:17,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 495 transitions, 11127 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:17,664 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:17,664 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 143 [2021-03-26 15:06:17,664 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:18,200 INFO L129 PetriNetUnfolder]: 518/1184 cut-off events. [2021-03-26 15:06:18,200 INFO L130 PetriNetUnfolder]: For 52150/52163 co-relation queries the response was YES. [2021-03-26 15:06:18,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12163 conditions, 1184 events. 518/1184 cut-off events. For 52150/52163 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 7686 event pairs, 22 based on Foata normal form. 14/1042 useless extension candidates. Maximal degree in co-relation 11951. Up to 698 conditions per place. [2021-03-26 15:06:18,220 INFO L132 encePairwiseOnDemand]: 126/143 looper letters, 456 selfloop transitions, 47 changer transitions 0/521 dead transitions. [2021-03-26 15:06:18,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 521 transitions, 12443 flow [2021-03-26 15:06:18,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:18,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:18,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 644 transitions. [2021-03-26 15:06:18,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3752913752913753 [2021-03-26 15:06:18,221 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 644 transitions. [2021-03-26 15:06:18,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 644 transitions. [2021-03-26 15:06:18,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:18,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 644 transitions. [2021-03-26 15:06:18,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.666666666666664) internal successors, (644), 12 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:18,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 143.0) internal successors, (1859), 13 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:18,223 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 143.0) internal successors, (1859), 13 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:18,223 INFO L185 Difference]: Start difference. First operand has 445 places, 495 transitions, 11127 flow. Second operand 12 states and 644 transitions. [2021-03-26 15:06:18,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 521 transitions, 12443 flow [2021-03-26 15:06:18,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 521 transitions, 11368 flow, removed 528 selfloop flow, removed 3 redundant places. [2021-03-26 15:06:18,568 INFO L241 Difference]: Finished difference. Result has 460 places, 510 transitions, 10428 flow [2021-03-26 15:06:18,568 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=10054, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=10428, PETRI_PLACES=460, PETRI_TRANSITIONS=510} [2021-03-26 15:06:18,568 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 407 predicate places. [2021-03-26 15:06:18,568 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:18,568 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 510 transitions, 10428 flow [2021-03-26 15:06:18,569 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 510 transitions, 10428 flow [2021-03-26 15:06:18,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 460 places, 510 transitions, 10428 flow [2021-03-26 15:06:18,731 INFO L129 PetriNetUnfolder]: 465/1096 cut-off events. [2021-03-26 15:06:18,732 INFO L130 PetriNetUnfolder]: For 47987/48055 co-relation queries the response was YES. [2021-03-26 15:06:18,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10486 conditions, 1096 events. 465/1096 cut-off events. For 47987/48055 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7372 event pairs, 9 based on Foata normal form. 7/957 useless extension candidates. Maximal degree in co-relation 10271. Up to 222 conditions per place. [2021-03-26 15:06:18,755 INFO L142 LiptonReduction]: Number of co-enabled transitions 2006 [2021-03-26 15:06:18,840 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:06:18,841 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:06:18,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 273 [2021-03-26 15:06:18,841 INFO L480 AbstractCegarLoop]: Abstraction has has 460 places, 510 transitions, 10494 flow [2021-03-26 15:06:18,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:18,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:18,841 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:18,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-03-26 15:06:18,841 INFO L428 AbstractCegarLoop]: === Iteration 229 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:18,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:18,841 INFO L82 PathProgramCache]: Analyzing trace with hash -516052131, now seen corresponding path program 1 times [2021-03-26 15:06:18,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:18,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975299949] [2021-03-26 15:06:18,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:18,849 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 15:06:18,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:06:18,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:06:18,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:18,864 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:06:18,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:18,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:18,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:18,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:18,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:18,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:18,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:18,904 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:18,917 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:18,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975299949] [2021-03-26 15:06:18,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:18,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:18,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928482865] [2021-03-26 15:06:18,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:18,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:18,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:18,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:18,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 144 [2021-03-26 15:06:18,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 510 transitions, 10494 flow. Second operand has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:18,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:18,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 144 [2021-03-26 15:06:18,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:19,494 INFO L129 PetriNetUnfolder]: 521/1180 cut-off events. [2021-03-26 15:06:19,494 INFO L130 PetriNetUnfolder]: For 58547/58553 co-relation queries the response was YES. [2021-03-26 15:06:19,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12526 conditions, 1180 events. 521/1180 cut-off events. For 58547/58553 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7615 event pairs, 4 based on Foata normal form. 7/1040 useless extension candidates. Maximal degree in co-relation 12307. Up to 715 conditions per place. [2021-03-26 15:06:19,513 INFO L132 encePairwiseOnDemand]: 125/144 looper letters, 448 selfloop transitions, 64 changer transitions 0/530 dead transitions. [2021-03-26 15:06:19,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 530 transitions, 12321 flow [2021-03-26 15:06:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:19,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 605 transitions. [2021-03-26 15:06:19,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3819444444444444 [2021-03-26 15:06:19,515 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 605 transitions. [2021-03-26 15:06:19,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 605 transitions. [2021-03-26 15:06:19,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:19,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 605 transitions. [2021-03-26 15:06:19,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.0) internal successors, (605), 11 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:19,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 144.0) internal successors, (1728), 12 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:19,516 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 144.0) internal successors, (1728), 12 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:19,516 INFO L185 Difference]: Start difference. First operand has 460 places, 510 transitions, 10494 flow. Second operand 11 states and 605 transitions. [2021-03-26 15:06:19,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 530 transitions, 12321 flow [2021-03-26 15:06:19,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 530 transitions, 12131 flow, removed 82 selfloop flow, removed 3 redundant places. [2021-03-26 15:06:19,839 INFO L241 Difference]: Finished difference. Result has 468 places, 521 transitions, 11069 flow [2021-03-26 15:06:19,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=10304, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11069, PETRI_PLACES=468, PETRI_TRANSITIONS=521} [2021-03-26 15:06:19,839 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 415 predicate places. [2021-03-26 15:06:19,839 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:19,839 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 468 places, 521 transitions, 11069 flow [2021-03-26 15:06:19,839 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 468 places, 521 transitions, 11069 flow [2021-03-26 15:06:19,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 468 places, 521 transitions, 11069 flow [2021-03-26 15:06:20,009 INFO L129 PetriNetUnfolder]: 483/1134 cut-off events. [2021-03-26 15:06:20,009 INFO L130 PetriNetUnfolder]: For 56991/57135 co-relation queries the response was YES. [2021-03-26 15:06:20,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11338 conditions, 1134 events. 483/1134 cut-off events. For 56991/57135 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 7631 event pairs, 14 based on Foata normal form. 7/990 useless extension candidates. Maximal degree in co-relation 11121. Up to 238 conditions per place. [2021-03-26 15:06:20,034 INFO L142 LiptonReduction]: Number of co-enabled transitions 2020 [2021-03-26 15:06:20,063 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:20,063 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:20,063 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-03-26 15:06:20,063 INFO L480 AbstractCegarLoop]: Abstraction has has 468 places, 521 transitions, 11069 flow [2021-03-26 15:06:20,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:20,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:20,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:20,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-03-26 15:06:20,064 INFO L428 AbstractCegarLoop]: === Iteration 230 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:20,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:20,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1910023237, now seen corresponding path program 2 times [2021-03-26 15:06:20,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:20,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969856293] [2021-03-26 15:06:20,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:20,071 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 15:06:20,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:06:20,080 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:06:20,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:20,086 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:06:20,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:20,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:20,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:20,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:20,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:20,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:20,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:20,126 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:20,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:20,139 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:20,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:20,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969856293] [2021-03-26 15:06:20,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:20,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:20,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279162236] [2021-03-26 15:06:20,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:20,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:20,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:20,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:20,153 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 144 [2021-03-26 15:06:20,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 521 transitions, 11069 flow. Second operand has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:20,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:20,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 144 [2021-03-26 15:06:20,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:20,728 INFO L129 PetriNetUnfolder]: 543/1234 cut-off events. [2021-03-26 15:06:20,728 INFO L130 PetriNetUnfolder]: For 61488/61492 co-relation queries the response was YES. [2021-03-26 15:06:20,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13106 conditions, 1234 events. 543/1234 cut-off events. For 61488/61492 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8113 event pairs, 12 based on Foata normal form. 5/1079 useless extension candidates. Maximal degree in co-relation 12885. Up to 736 conditions per place. [2021-03-26 15:06:20,748 INFO L132 encePairwiseOnDemand]: 125/144 looper letters, 454 selfloop transitions, 63 changer transitions 4/539 dead transitions. [2021-03-26 15:06:20,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 539 transitions, 12727 flow [2021-03-26 15:06:20,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:20,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 607 transitions. [2021-03-26 15:06:20,749 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3832070707070707 [2021-03-26 15:06:20,749 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 607 transitions. [2021-03-26 15:06:20,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 607 transitions. [2021-03-26 15:06:20,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:20,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 607 transitions. [2021-03-26 15:06:20,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.18181818181818) internal successors, (607), 11 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:20,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 144.0) internal successors, (1728), 12 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:20,750 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 144.0) internal successors, (1728), 12 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:20,750 INFO L185 Difference]: Start difference. First operand has 468 places, 521 transitions, 11069 flow. Second operand 11 states and 607 transitions. [2021-03-26 15:06:20,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 539 transitions, 12727 flow [2021-03-26 15:06:21,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 539 transitions, 12345 flow, removed 169 selfloop flow, removed 5 redundant places. [2021-03-26 15:06:21,118 INFO L241 Difference]: Finished difference. Result has 475 places, 525 transitions, 11244 flow [2021-03-26 15:06:21,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=10687, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11244, PETRI_PLACES=475, PETRI_TRANSITIONS=525} [2021-03-26 15:06:21,118 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 422 predicate places. [2021-03-26 15:06:21,118 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:21,118 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 475 places, 525 transitions, 11244 flow [2021-03-26 15:06:21,118 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 475 places, 525 transitions, 11244 flow [2021-03-26 15:06:21,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 525 transitions, 11244 flow [2021-03-26 15:06:21,288 INFO L129 PetriNetUnfolder]: 482/1118 cut-off events. [2021-03-26 15:06:21,288 INFO L130 PetriNetUnfolder]: For 56738/56806 co-relation queries the response was YES. [2021-03-26 15:06:21,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11597 conditions, 1118 events. 482/1118 cut-off events. For 56738/56806 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7386 event pairs, 12 based on Foata normal form. 7/984 useless extension candidates. Maximal degree in co-relation 11377. Up to 249 conditions per place. [2021-03-26 15:06:21,313 INFO L142 LiptonReduction]: Number of co-enabled transitions 2002 [2021-03-26 15:06:21,342 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:21,343 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:21,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 225 [2021-03-26 15:06:21,343 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 525 transitions, 11244 flow [2021-03-26 15:06:21,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.0) internal successors, (490), 10 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:21,343 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:21,343 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:21,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-03-26 15:06:21,343 INFO L428 AbstractCegarLoop]: === Iteration 231 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:21,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:21,343 INFO L82 PathProgramCache]: Analyzing trace with hash -106508645, now seen corresponding path program 1 times [2021-03-26 15:06:21,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:21,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33715051] [2021-03-26 15:06:21,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:21,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:21,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:21,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:21,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:21,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:21,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:21,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:21,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:21,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:21,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:21,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:21,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:21,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:21,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:21,400 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:21,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:21,412 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:21,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:21,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33715051] [2021-03-26 15:06:21,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:21,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:06:21,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577378507] [2021-03-26 15:06:21,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:06:21,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:21,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:06:21,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:06:21,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 144 [2021-03-26 15:06:21,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 525 transitions, 11244 flow. Second operand has 9 states, 9 states have (on average 49.22222222222222) internal successors, (443), 9 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:21,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:21,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 144 [2021-03-26 15:06:21,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:21,875 INFO L129 PetriNetUnfolder]: 534/1200 cut-off events. [2021-03-26 15:06:21,876 INFO L130 PetriNetUnfolder]: For 61912/61918 co-relation queries the response was YES. [2021-03-26 15:06:21,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12907 conditions, 1200 events. 534/1200 cut-off events. For 61912/61918 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7778 event pairs, 7 based on Foata normal form. 7/1057 useless extension candidates. Maximal degree in co-relation 12687. Up to 734 conditions per place. [2021-03-26 15:06:21,894 INFO L132 encePairwiseOnDemand]: 128/144 looper letters, 472 selfloop transitions, 45 changer transitions 0/535 dead transitions. [2021-03-26 15:06:21,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 535 transitions, 12348 flow [2021-03-26 15:06:21,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:06:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:06:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 496 transitions. [2021-03-26 15:06:21,896 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38271604938271603 [2021-03-26 15:06:21,896 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 496 transitions. [2021-03-26 15:06:21,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 496 transitions. [2021-03-26 15:06:21,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:21,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 496 transitions. [2021-03-26 15:06:21,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 55.111111111111114) internal successors, (496), 9 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) [2021-03-26 15:06:21,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 144.0) internal successors, (1440), 10 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:21,897 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 144.0) internal successors, (1440), 10 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:21,897 INFO L185 Difference]: Start difference. First operand has 474 places, 525 transitions, 11244 flow. Second operand 9 states and 496 transitions. [2021-03-26 15:06:21,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 535 transitions, 12348 flow [2021-03-26 15:06:22,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 535 transitions, 12110 flow, removed 84 selfloop flow, removed 8 redundant places. [2021-03-26 15:06:22,248 INFO L241 Difference]: Finished difference. Result has 475 places, 525 transitions, 11106 flow [2021-03-26 15:06:22,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=11006, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=11106, PETRI_PLACES=475, PETRI_TRANSITIONS=525} [2021-03-26 15:06:22,248 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 422 predicate places. [2021-03-26 15:06:22,248 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:22,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 475 places, 525 transitions, 11106 flow [2021-03-26 15:06:22,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 475 places, 525 transitions, 11106 flow [2021-03-26 15:06:22,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 475 places, 525 transitions, 11106 flow [2021-03-26 15:06:22,417 INFO L129 PetriNetUnfolder]: 483/1113 cut-off events. [2021-03-26 15:06:22,417 INFO L130 PetriNetUnfolder]: For 55748/55816 co-relation queries the response was YES. [2021-03-26 15:06:22,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11473 conditions, 1113 events. 483/1113 cut-off events. For 55748/55816 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7338 event pairs, 16 based on Foata normal form. 7/979 useless extension candidates. Maximal degree in co-relation 11254. Up to 248 conditions per place. [2021-03-26 15:06:22,442 INFO L142 LiptonReduction]: Number of co-enabled transitions 2002 [2021-03-26 15:06:22,472 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:22,472 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:22,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-03-26 15:06:22,472 INFO L480 AbstractCegarLoop]: Abstraction has has 475 places, 525 transitions, 11106 flow [2021-03-26 15:06:22,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.22222222222222) internal successors, (443), 9 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:22,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:22,472 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:22,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-03-26 15:06:22,472 INFO L428 AbstractCegarLoop]: === Iteration 232 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:22,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:22,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1836376549, now seen corresponding path program 1 times [2021-03-26 15:06:22,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:22,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665814349] [2021-03-26 15:06:22,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:22,480 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 15:06:22,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:06:22,493 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:06:22,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:22,499 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:06:22,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:22,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:22,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:22,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:22,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:22,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:22,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:22,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:22,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:22,559 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:22,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:22,573 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:22,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:22,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665814349] [2021-03-26 15:06:22,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:22,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:22,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871440407] [2021-03-26 15:06:22,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:22,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:22,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:22,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:22,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 144 [2021-03-26 15:06:22,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 525 transitions, 11106 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:22,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:22,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 144 [2021-03-26 15:06:22,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:23,150 INFO L129 PetriNetUnfolder]: 541/1226 cut-off events. [2021-03-26 15:06:23,150 INFO L130 PetriNetUnfolder]: For 62746/62752 co-relation queries the response was YES. [2021-03-26 15:06:23,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13147 conditions, 1226 events. 541/1226 cut-off events. For 62746/62752 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8059 event pairs, 8 based on Foata normal form. 7/1078 useless extension candidates. Maximal degree in co-relation 12924. Up to 740 conditions per place. [2021-03-26 15:06:23,170 INFO L132 encePairwiseOnDemand]: 126/144 looper letters, 472 selfloop transitions, 51 changer transitions 0/541 dead transitions. [2021-03-26 15:06:23,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 541 transitions, 12705 flow [2021-03-26 15:06:23,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:23,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:23,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 647 transitions. [2021-03-26 15:06:23,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3744212962962963 [2021-03-26 15:06:23,171 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 647 transitions. [2021-03-26 15:06:23,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 647 transitions. [2021-03-26 15:06:23,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:23,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 647 transitions. [2021-03-26 15:06:23,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 53.916666666666664) internal successors, (647), 12 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:23,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 144.0) internal successors, (1872), 13 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:23,172 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 144.0) internal successors, (1872), 13 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:23,172 INFO L185 Difference]: Start difference. First operand has 475 places, 525 transitions, 11106 flow. Second operand 12 states and 647 transitions. [2021-03-26 15:06:23,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 541 transitions, 12705 flow [2021-03-26 15:06:23,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 541 transitions, 12615 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-26 15:06:23,557 INFO L241 Difference]: Finished difference. Result has 481 places, 531 transitions, 11539 flow [2021-03-26 15:06:23,557 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=11016, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11539, PETRI_PLACES=481, PETRI_TRANSITIONS=531} [2021-03-26 15:06:23,557 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 428 predicate places. [2021-03-26 15:06:23,557 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:23,557 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 481 places, 531 transitions, 11539 flow [2021-03-26 15:06:23,557 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 481 places, 531 transitions, 11539 flow [2021-03-26 15:06:23,561 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 481 places, 531 transitions, 11539 flow [2021-03-26 15:06:23,735 INFO L129 PetriNetUnfolder]: 490/1142 cut-off events. [2021-03-26 15:06:23,735 INFO L130 PetriNetUnfolder]: For 60800/60870 co-relation queries the response was YES. [2021-03-26 15:06:23,749 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11892 conditions, 1142 events. 490/1142 cut-off events. For 60800/60870 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7635 event pairs, 15 based on Foata normal form. 7/1003 useless extension candidates. Maximal degree in co-relation 11672. Up to 255 conditions per place. [2021-03-26 15:06:23,761 INFO L142 LiptonReduction]: Number of co-enabled transitions 2026 [2021-03-26 15:06:23,792 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:23,792 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:23,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 235 [2021-03-26 15:06:23,792 INFO L480 AbstractCegarLoop]: Abstraction has has 481 places, 531 transitions, 11539 flow [2021-03-26 15:06:23,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:23,792 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:23,792 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:23,792 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-03-26 15:06:23,792 INFO L428 AbstractCegarLoop]: === Iteration 233 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:23,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:23,793 INFO L82 PathProgramCache]: Analyzing trace with hash -288359501, now seen corresponding path program 2 times [2021-03-26 15:06:23,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:23,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448141552] [2021-03-26 15:06:23,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:23,801 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 15:06:23,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:06:23,810 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:06:23,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:23,816 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:06:23,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:23,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:23,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:23,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:23,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:23,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:23,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:23,856 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:06:23,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:06:23,869 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:23,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:23,883 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:23,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:23,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448141552] [2021-03-26 15:06:23,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:23,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:23,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589173119] [2021-03-26 15:06:23,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:23,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:23,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:23,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:23,899 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 144 [2021-03-26 15:06:23,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 531 transitions, 11539 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:23,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:23,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 144 [2021-03-26 15:06:23,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:24,500 INFO L129 PetriNetUnfolder]: 534/1213 cut-off events. [2021-03-26 15:06:24,501 INFO L130 PetriNetUnfolder]: For 65116/65122 co-relation queries the response was YES. [2021-03-26 15:06:24,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13243 conditions, 1213 events. 534/1213 cut-off events. For 65116/65122 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7870 event pairs, 7 based on Foata normal form. 7/1071 useless extension candidates. Maximal degree in co-relation 13019. Up to 750 conditions per place. [2021-03-26 15:06:24,521 INFO L132 encePairwiseOnDemand]: 126/144 looper letters, 472 selfloop transitions, 48 changer transitions 3/541 dead transitions. [2021-03-26 15:06:24,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 541 transitions, 12669 flow [2021-03-26 15:06:24,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:06:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:06:24,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 695 transitions. [2021-03-26 15:06:24,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3712606837606838 [2021-03-26 15:06:24,522 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 695 transitions. [2021-03-26 15:06:24,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 695 transitions. [2021-03-26 15:06:24,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:24,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 695 transitions. [2021-03-26 15:06:24,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.46153846153846) internal successors, (695), 13 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:24,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 144.0) internal successors, (2016), 14 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:24,524 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 144.0) internal successors, (2016), 14 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:24,524 INFO L185 Difference]: Start difference. First operand has 481 places, 531 transitions, 11539 flow. Second operand 13 states and 695 transitions. [2021-03-26 15:06:24,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 541 transitions, 12669 flow [2021-03-26 15:06:24,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 541 transitions, 12294 flow, removed 159 selfloop flow, removed 7 redundant places. [2021-03-26 15:06:24,893 INFO L241 Difference]: Finished difference. Result has 489 places, 530 transitions, 11269 flow [2021-03-26 15:06:24,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=11164, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=11269, PETRI_PLACES=489, PETRI_TRANSITIONS=530} [2021-03-26 15:06:24,893 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 436 predicate places. [2021-03-26 15:06:24,893 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:24,893 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 530 transitions, 11269 flow [2021-03-26 15:06:24,893 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 530 transitions, 11269 flow [2021-03-26 15:06:24,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 488 places, 530 transitions, 11269 flow [2021-03-26 15:06:25,071 INFO L129 PetriNetUnfolder]: 491/1147 cut-off events. [2021-03-26 15:06:25,071 INFO L130 PetriNetUnfolder]: For 58821/58825 co-relation queries the response was YES. [2021-03-26 15:06:25,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11837 conditions, 1147 events. 491/1147 cut-off events. For 58821/58825 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 7644 event pairs, 13 based on Foata normal form. 2/1004 useless extension candidates. Maximal degree in co-relation 11613. Up to 250 conditions per place. [2021-03-26 15:06:25,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 2026 [2021-03-26 15:06:25,194 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-26 15:06:25,194 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:06:25,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 301 [2021-03-26 15:06:25,194 INFO L480 AbstractCegarLoop]: Abstraction has has 488 places, 530 transitions, 11314 flow [2021-03-26 15:06:25,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:25,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:25,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:25,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-03-26 15:06:25,195 INFO L428 AbstractCegarLoop]: === Iteration 234 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:25,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:25,195 INFO L82 PathProgramCache]: Analyzing trace with hash 18693327, now seen corresponding path program 3 times [2021-03-26 15:06:25,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:25,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757765521] [2021-03-26 15:06:25,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:25,202 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-03-26 15:06:25,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 15:06:25,211 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:06:25,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:25,217 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:06:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:25,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:25,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 15:06:25,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:25,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:25,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:25,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:25,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:25,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:25,270 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:25,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:25,283 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:25,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:25,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757765521] [2021-03-26 15:06:25,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:25,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:25,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399667029] [2021-03-26 15:06:25,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:25,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:25,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:25,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:25,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 145 [2021-03-26 15:06:25,299 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 530 transitions, 11314 flow. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:25,299 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:25,299 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 145 [2021-03-26 15:06:25,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:25,886 INFO L129 PetriNetUnfolder]: 532/1201 cut-off events. [2021-03-26 15:06:25,886 INFO L130 PetriNetUnfolder]: For 62612/62618 co-relation queries the response was YES. [2021-03-26 15:06:25,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13095 conditions, 1201 events. 532/1201 cut-off events. For 62612/62618 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7713 event pairs, 6 based on Foata normal form. 7/1060 useless extension candidates. Maximal degree in co-relation 12867. Up to 739 conditions per place. [2021-03-26 15:06:25,907 INFO L132 encePairwiseOnDemand]: 126/145 looper letters, 467 selfloop transitions, 50 changer transitions 5/540 dead transitions. [2021-03-26 15:06:25,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 540 transitions, 12517 flow [2021-03-26 15:06:25,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 649 transitions. [2021-03-26 15:06:25,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37298850574712644 [2021-03-26 15:06:25,908 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 649 transitions. [2021-03-26 15:06:25,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 649 transitions. [2021-03-26 15:06:25,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:25,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 649 transitions. [2021-03-26 15:06:25,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.083333333333336) internal successors, (649), 12 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:25,909 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 145.0) internal successors, (1885), 13 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:25,910 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 145.0) internal successors, (1885), 13 states have internal predecessors, (1885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:25,910 INFO L185 Difference]: Start difference. First operand has 488 places, 530 transitions, 11314 flow. Second operand 12 states and 649 transitions. [2021-03-26 15:06:25,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 540 transitions, 12517 flow [2021-03-26 15:06:26,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 540 transitions, 12402 flow, removed 5 selfloop flow, removed 13 redundant places. [2021-03-26 15:06:26,287 INFO L241 Difference]: Finished difference. Result has 488 places, 527 transitions, 11297 flow [2021-03-26 15:06:26,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11199, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11297, PETRI_PLACES=488, PETRI_TRANSITIONS=527} [2021-03-26 15:06:26,288 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 435 predicate places. [2021-03-26 15:06:26,288 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:26,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 488 places, 527 transitions, 11297 flow [2021-03-26 15:06:26,288 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 488 places, 527 transitions, 11297 flow [2021-03-26 15:06:26,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 484 places, 527 transitions, 11297 flow [2021-03-26 15:06:26,475 INFO L129 PetriNetUnfolder]: 483/1115 cut-off events. [2021-03-26 15:06:26,475 INFO L130 PetriNetUnfolder]: For 57766/57836 co-relation queries the response was YES. [2021-03-26 15:06:26,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11683 conditions, 1115 events. 483/1115 cut-off events. For 57766/57836 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 7358 event pairs, 15 based on Foata normal form. 7/983 useless extension candidates. Maximal degree in co-relation 11460. Up to 248 conditions per place. [2021-03-26 15:06:26,500 INFO L142 LiptonReduction]: Number of co-enabled transitions 2002 [2021-03-26 15:06:26,529 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:26,529 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:26,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 241 [2021-03-26 15:06:26,529 INFO L480 AbstractCegarLoop]: Abstraction has has 484 places, 527 transitions, 11297 flow [2021-03-26 15:06:26,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:26,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:26,530 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:26,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-03-26 15:06:26,530 INFO L428 AbstractCegarLoop]: === Iteration 235 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:26,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:26,530 INFO L82 PathProgramCache]: Analyzing trace with hash -723044689, now seen corresponding path program 2 times [2021-03-26 15:06:26,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:26,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662225835] [2021-03-26 15:06:26,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:26,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:26,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:26,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:26,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:26,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:26,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:26,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:26,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:26,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:26,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:26,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:26,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:26,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:26,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:26,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:26,617 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:26,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:26,631 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:26,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:26,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662225835] [2021-03-26 15:06:26,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:26,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:26,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524751661] [2021-03-26 15:06:26,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:26,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:26,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:26,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:26,635 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 145 [2021-03-26 15:06:26,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 527 transitions, 11297 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:26,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:26,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 145 [2021-03-26 15:06:26,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:27,214 INFO L129 PetriNetUnfolder]: 544/1230 cut-off events. [2021-03-26 15:06:27,215 INFO L130 PetriNetUnfolder]: For 65521/65536 co-relation queries the response was YES. [2021-03-26 15:06:27,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13326 conditions, 1230 events. 544/1230 cut-off events. For 65521/65536 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8051 event pairs, 7 based on Foata normal form. 16/1091 useless extension candidates. Maximal degree in co-relation 13099. Up to 743 conditions per place. [2021-03-26 15:06:27,236 INFO L132 encePairwiseOnDemand]: 128/145 looper letters, 476 selfloop transitions, 51 changer transitions 0/545 dead transitions. [2021-03-26 15:06:27,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 545 transitions, 12870 flow [2021-03-26 15:06:27,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:06:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:06:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 693 transitions. [2021-03-26 15:06:27,237 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3676392572944297 [2021-03-26 15:06:27,237 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 693 transitions. [2021-03-26 15:06:27,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 693 transitions. [2021-03-26 15:06:27,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:27,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 693 transitions. [2021-03-26 15:06:27,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.30769230769231) internal successors, (693), 13 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:27,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 145.0) internal successors, (2030), 14 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:27,239 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 145.0) internal successors, (2030), 14 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:27,239 INFO L185 Difference]: Start difference. First operand has 484 places, 527 transitions, 11297 flow. Second operand 13 states and 693 transitions. [2021-03-26 15:06:27,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 545 transitions, 12870 flow [2021-03-26 15:06:27,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 545 transitions, 12686 flow, removed 35 selfloop flow, removed 12 redundant places. [2021-03-26 15:06:27,607 INFO L241 Difference]: Finished difference. Result has 487 places, 537 transitions, 11710 flow [2021-03-26 15:06:27,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=11121, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=11710, PETRI_PLACES=487, PETRI_TRANSITIONS=537} [2021-03-26 15:06:27,608 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 434 predicate places. [2021-03-26 15:06:27,608 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:27,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 487 places, 537 transitions, 11710 flow [2021-03-26 15:06:27,608 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 487 places, 537 transitions, 11710 flow [2021-03-26 15:06:27,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 487 places, 537 transitions, 11710 flow [2021-03-26 15:06:27,789 INFO L129 PetriNetUnfolder]: 487/1127 cut-off events. [2021-03-26 15:06:27,789 INFO L130 PetriNetUnfolder]: For 65888/66023 co-relation queries the response was YES. [2021-03-26 15:06:27,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11907 conditions, 1127 events. 487/1127 cut-off events. For 65888/66023 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 7435 event pairs, 9 based on Foata normal form. 8/994 useless extension candidates. Maximal degree in co-relation 11685. Up to 256 conditions per place. [2021-03-26 15:06:27,816 INFO L142 LiptonReduction]: Number of co-enabled transitions 2110 [2021-03-26 15:06:27,929 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 15:06:27,929 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 15:06:27,929 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 321 [2021-03-26 15:06:27,929 INFO L480 AbstractCegarLoop]: Abstraction has has 487 places, 537 transitions, 11848 flow [2021-03-26 15:06:27,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:27,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:27,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:27,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-03-26 15:06:27,930 INFO L428 AbstractCegarLoop]: === Iteration 236 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:27,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:27,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1307620697, now seen corresponding path program 3 times [2021-03-26 15:06:27,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:27,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062935862] [2021-03-26 15:06:27,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:27,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:27,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:27,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:27,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:27,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:27,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:27,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:27,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:27,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:27,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:27,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:27,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:27,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:27,986 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:27,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:27,998 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:27,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:28,012 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:28,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:28,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062935862] [2021-03-26 15:06:28,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:28,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:28,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693217858] [2021-03-26 15:06:28,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:28,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:28,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:28,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:28,015 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 147 [2021-03-26 15:06:28,016 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 537 transitions, 11848 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:28,016 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:28,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 147 [2021-03-26 15:06:28,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:28,615 INFO L129 PetriNetUnfolder]: 544/1236 cut-off events. [2021-03-26 15:06:28,616 INFO L130 PetriNetUnfolder]: For 68295/68299 co-relation queries the response was YES. [2021-03-26 15:06:28,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13542 conditions, 1236 events. 544/1236 cut-off events. For 68295/68299 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8079 event pairs, 11 based on Foata normal form. 5/1085 useless extension candidates. Maximal degree in co-relation 13316. Up to 713 conditions per place. [2021-03-26 15:06:28,636 INFO L132 encePairwiseOnDemand]: 128/147 looper letters, 458 selfloop transitions, 67 changer transitions 10/553 dead transitions. [2021-03-26 15:06:28,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 553 transitions, 13429 flow [2021-03-26 15:06:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:28,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:28,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 601 transitions. [2021-03-26 15:06:28,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3716759431045145 [2021-03-26 15:06:28,638 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 601 transitions. [2021-03-26 15:06:28,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 601 transitions. [2021-03-26 15:06:28,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:28,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 601 transitions. [2021-03-26 15:06:28,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.63636363636363) internal successors, (601), 11 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:28,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:28,639 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:28,639 INFO L185 Difference]: Start difference. First operand has 487 places, 537 transitions, 11848 flow. Second operand 11 states and 601 transitions. [2021-03-26 15:06:28,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 553 transitions, 13429 flow [2021-03-26 15:06:29,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 553 transitions, 12756 flow, removed 309 selfloop flow, removed 7 redundant places. [2021-03-26 15:06:29,059 INFO L241 Difference]: Finished difference. Result has 494 places, 533 transitions, 11504 flow [2021-03-26 15:06:29,059 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=11295, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11504, PETRI_PLACES=494, PETRI_TRANSITIONS=533} [2021-03-26 15:06:29,060 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 441 predicate places. [2021-03-26 15:06:29,060 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:29,060 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 533 transitions, 11504 flow [2021-03-26 15:06:29,060 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 533 transitions, 11504 flow [2021-03-26 15:06:29,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 492 places, 533 transitions, 11504 flow [2021-03-26 15:06:29,281 INFO L129 PetriNetUnfolder]: 485/1125 cut-off events. [2021-03-26 15:06:29,281 INFO L130 PetriNetUnfolder]: For 63280/63349 co-relation queries the response was YES. [2021-03-26 15:06:29,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11940 conditions, 1125 events. 485/1125 cut-off events. For 63280/63349 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7475 event pairs, 10 based on Foata normal form. 6/991 useless extension candidates. Maximal degree in co-relation 11713. Up to 248 conditions per place. [2021-03-26 15:06:29,305 INFO L142 LiptonReduction]: Number of co-enabled transitions 2076 [2021-03-26 15:06:29,334 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:29,334 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:29,334 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 274 [2021-03-26 15:06:29,334 INFO L480 AbstractCegarLoop]: Abstraction has has 492 places, 533 transitions, 11504 flow [2021-03-26 15:06:29,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:29,335 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:29,335 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:29,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-03-26 15:06:29,335 INFO L428 AbstractCegarLoop]: === Iteration 237 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:29,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:29,335 INFO L82 PathProgramCache]: Analyzing trace with hash 719135003, now seen corresponding path program 4 times [2021-03-26 15:06:29,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:29,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28231294] [2021-03-26 15:06:29,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:29,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:29,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:29,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:29,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:29,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:29,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:29,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:29,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:29,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:29,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:29,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:29,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:29,391 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:06:29,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:06:29,394 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:29,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:29,405 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:29,419 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:29,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:29,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28231294] [2021-03-26 15:06:29,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:29,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:29,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698239357] [2021-03-26 15:06:29,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:29,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:29,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:29,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:29,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 147 [2021-03-26 15:06:29,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 533 transitions, 11504 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:29,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:29,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 147 [2021-03-26 15:06:29,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:29,982 INFO L129 PetriNetUnfolder]: 529/1200 cut-off events. [2021-03-26 15:06:29,982 INFO L130 PetriNetUnfolder]: For 66387/66393 co-relation queries the response was YES. [2021-03-26 15:06:29,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13353 conditions, 1200 events. 529/1200 cut-off events. For 66387/66393 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7768 event pairs, 5 based on Foata normal form. 7/1062 useless extension candidates. Maximal degree in co-relation 13122. Up to 751 conditions per place. [2021-03-26 15:06:30,002 INFO L132 encePairwiseOnDemand]: 129/147 looper letters, 483 selfloop transitions, 39 changer transitions 3/543 dead transitions. [2021-03-26 15:06:30,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 543 transitions, 12759 flow [2021-03-26 15:06:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:30,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 595 transitions. [2021-03-26 15:06:30,003 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36796536796536794 [2021-03-26 15:06:30,003 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 595 transitions. [2021-03-26 15:06:30,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 595 transitions. [2021-03-26 15:06:30,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:30,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 595 transitions. [2021-03-26 15:06:30,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.09090909090909) internal successors, (595), 11 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:30,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:30,005 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 147.0) internal successors, (1764), 12 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:30,005 INFO L185 Difference]: Start difference. First operand has 492 places, 533 transitions, 11504 flow. Second operand 11 states and 595 transitions. [2021-03-26 15:06:30,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 543 transitions, 12759 flow [2021-03-26 15:06:30,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 543 transitions, 12618 flow, removed 30 selfloop flow, removed 9 redundant places. [2021-03-26 15:06:30,380 INFO L241 Difference]: Finished difference. Result has 496 places, 532 transitions, 11411 flow [2021-03-26 15:06:30,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=11365, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=11411, PETRI_PLACES=496, PETRI_TRANSITIONS=532} [2021-03-26 15:06:30,380 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 443 predicate places. [2021-03-26 15:06:30,380 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:30,380 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 532 transitions, 11411 flow [2021-03-26 15:06:30,380 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 532 transitions, 11411 flow [2021-03-26 15:06:30,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 494 places, 532 transitions, 11411 flow [2021-03-26 15:06:30,557 INFO L129 PetriNetUnfolder]: 479/1116 cut-off events. [2021-03-26 15:06:30,557 INFO L130 PetriNetUnfolder]: For 62593/62645 co-relation queries the response was YES. [2021-03-26 15:06:30,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11861 conditions, 1116 events. 479/1116 cut-off events. For 62593/62645 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7408 event pairs, 13 based on Foata normal form. 8/986 useless extension candidates. Maximal degree in co-relation 11634. Up to 247 conditions per place. [2021-03-26 15:06:30,583 INFO L142 LiptonReduction]: Number of co-enabled transitions 2076 [2021-03-26 15:06:30,614 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:30,614 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:30,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 234 [2021-03-26 15:06:30,614 INFO L480 AbstractCegarLoop]: Abstraction has has 494 places, 532 transitions, 11411 flow [2021-03-26 15:06:30,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:30,614 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:30,614 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:30,614 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-03-26 15:06:30,614 INFO L428 AbstractCegarLoop]: === Iteration 238 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:30,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:30,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1261257623, now seen corresponding path program 5 times [2021-03-26 15:06:30,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:30,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124315813] [2021-03-26 15:06:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:30,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:30,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:30,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:30,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:30,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:30,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:30,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:30,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:30,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:30,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:30,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:30,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:30,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:30,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:30,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:30,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:30,700 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:30,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:30,714 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:30,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:30,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124315813] [2021-03-26 15:06:30,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:30,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:30,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707371131] [2021-03-26 15:06:30,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:30,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:30,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:30,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:30,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 147 [2021-03-26 15:06:30,717 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 532 transitions, 11411 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:30,717 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:30,717 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 147 [2021-03-26 15:06:30,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:31,351 INFO L129 PetriNetUnfolder]: 554/1268 cut-off events. [2021-03-26 15:06:31,351 INFO L130 PetriNetUnfolder]: For 71234/71240 co-relation queries the response was YES. [2021-03-26 15:06:31,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13914 conditions, 1268 events. 554/1268 cut-off events. For 71234/71240 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8458 event pairs, 8 based on Foata normal form. 7/1111 useless extension candidates. Maximal degree in co-relation 13683. Up to 703 conditions per place. [2021-03-26 15:06:31,374 INFO L132 encePairwiseOnDemand]: 128/147 looper letters, 450 selfloop transitions, 77 changer transitions 9/554 dead transitions. [2021-03-26 15:06:31,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 554 transitions, 13481 flow [2021-03-26 15:06:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:31,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:31,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 655 transitions. [2021-03-26 15:06:31,376 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3713151927437642 [2021-03-26 15:06:31,376 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 655 transitions. [2021-03-26 15:06:31,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 655 transitions. [2021-03-26 15:06:31,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:31,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 655 transitions. [2021-03-26 15:06:31,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.583333333333336) internal successors, (655), 12 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:31,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:31,377 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:31,377 INFO L185 Difference]: Start difference. First operand has 494 places, 532 transitions, 11411 flow. Second operand 12 states and 655 transitions. [2021-03-26 15:06:31,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 554 transitions, 13481 flow [2021-03-26 15:06:31,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 554 transitions, 13366 flow, removed 12 selfloop flow, removed 11 redundant places. [2021-03-26 15:06:31,781 INFO L241 Difference]: Finished difference. Result has 496 places, 533 transitions, 11939 flow [2021-03-26 15:06:31,781 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=11314, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=11939, PETRI_PLACES=496, PETRI_TRANSITIONS=533} [2021-03-26 15:06:31,781 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 443 predicate places. [2021-03-26 15:06:31,781 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:31,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 533 transitions, 11939 flow [2021-03-26 15:06:31,782 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 533 transitions, 11939 flow [2021-03-26 15:06:31,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 490 places, 533 transitions, 11939 flow [2021-03-26 15:06:31,963 INFO L129 PetriNetUnfolder]: 484/1121 cut-off events. [2021-03-26 15:06:31,963 INFO L130 PetriNetUnfolder]: For 69635/69690 co-relation queries the response was YES. [2021-03-26 15:06:31,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12434 conditions, 1121 events. 484/1121 cut-off events. For 69635/69690 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7425 event pairs, 13 based on Foata normal form. 8/991 useless extension candidates. Maximal degree in co-relation 12208. Up to 258 conditions per place. [2021-03-26 15:06:31,989 INFO L142 LiptonReduction]: Number of co-enabled transitions 2042 [2021-03-26 15:06:32,020 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:32,020 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:32,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 239 [2021-03-26 15:06:32,020 INFO L480 AbstractCegarLoop]: Abstraction has has 490 places, 533 transitions, 11939 flow [2021-03-26 15:06:32,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:32,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:32,021 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:32,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-03-26 15:06:32,021 INFO L428 AbstractCegarLoop]: === Iteration 239 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:32,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:32,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1461921025, now seen corresponding path program 6 times [2021-03-26 15:06:32,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:32,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082800491] [2021-03-26 15:06:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:32,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:32,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:32,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:32,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:32,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:32,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:32,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:32,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:32,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:32,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:32,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:32,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:32,077 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:06:32,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:06:32,079 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:06:32,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:06:32,091 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:32,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:32,104 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:32,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:32,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:32,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082800491] [2021-03-26 15:06:32,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:32,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:32,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151825119] [2021-03-26 15:06:32,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:32,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:32,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:32,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:32,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 147 [2021-03-26 15:06:32,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 533 transitions, 11939 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:32,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:32,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 147 [2021-03-26 15:06:32,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:32,698 INFO L129 PetriNetUnfolder]: 558/1262 cut-off events. [2021-03-26 15:06:32,698 INFO L130 PetriNetUnfolder]: For 73435/73448 co-relation queries the response was YES. [2021-03-26 15:06:32,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14378 conditions, 1262 events. 558/1262 cut-off events. For 73435/73448 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 8240 event pairs, 19 based on Foata normal form. 15/1115 useless extension candidates. Maximal degree in co-relation 14152. Up to 762 conditions per place. [2021-03-26 15:06:32,722 INFO L132 encePairwiseOnDemand]: 129/147 looper letters, 472 selfloop transitions, 55 changer transitions 8/553 dead transitions. [2021-03-26 15:06:32,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 553 transitions, 13858 flow [2021-03-26 15:06:32,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:06:32,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:06:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 652 transitions. [2021-03-26 15:06:32,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36961451247165533 [2021-03-26 15:06:32,723 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 652 transitions. [2021-03-26 15:06:32,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 652 transitions. [2021-03-26 15:06:32,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:32,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 652 transitions. [2021-03-26 15:06:32,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.333333333333336) internal successors, (652), 12 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:32,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:32,724 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 147.0) internal successors, (1911), 13 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:32,724 INFO L185 Difference]: Start difference. First operand has 490 places, 533 transitions, 11939 flow. Second operand 12 states and 652 transitions. [2021-03-26 15:06:32,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 553 transitions, 13858 flow [2021-03-26 15:06:33,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 553 transitions, 13497 flow, removed 154 selfloop flow, removed 7 redundant places. [2021-03-26 15:06:33,164 INFO L241 Difference]: Finished difference. Result has 496 places, 537 transitions, 12225 flow [2021-03-26 15:06:33,164 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=11590, PETRI_DIFFERENCE_MINUEND_PLACES=483, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=12225, PETRI_PLACES=496, PETRI_TRANSITIONS=537} [2021-03-26 15:06:33,164 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 443 predicate places. [2021-03-26 15:06:33,164 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:33,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 537 transitions, 12225 flow [2021-03-26 15:06:33,164 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 537 transitions, 12225 flow [2021-03-26 15:06:33,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 537 transitions, 12225 flow [2021-03-26 15:06:33,352 INFO L129 PetriNetUnfolder]: 497/1142 cut-off events. [2021-03-26 15:06:33,353 INFO L130 PetriNetUnfolder]: For 69412/69467 co-relation queries the response was YES. [2021-03-26 15:06:33,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12690 conditions, 1142 events. 497/1142 cut-off events. For 69412/69467 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7556 event pairs, 17 based on Foata normal form. 8/1006 useless extension candidates. Maximal degree in co-relation 12464. Up to 267 conditions per place. [2021-03-26 15:06:33,380 INFO L142 LiptonReduction]: Number of co-enabled transitions 2040 [2021-03-26 15:06:33,411 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:33,411 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:33,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-03-26 15:06:33,411 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 537 transitions, 12225 flow [2021-03-26 15:06:33,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:33,412 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:33,412 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:33,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-03-26 15:06:33,412 INFO L428 AbstractCegarLoop]: === Iteration 240 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:33,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:33,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1442955005, now seen corresponding path program 4 times [2021-03-26 15:06:33,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:33,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275320976] [2021-03-26 15:06:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:33,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:33,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:33,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:33,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:33,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:33,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:33,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:33,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:33,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:33,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:33,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:33,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:33,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:33,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:33,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:33,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:33,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:33,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:33,509 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:33,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:33,525 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:33,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:33,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275320976] [2021-03-26 15:06:33,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:33,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:06:33,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601197560] [2021-03-26 15:06:33,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:06:33,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:33,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:06:33,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:06:33,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 147 [2021-03-26 15:06:33,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 537 transitions, 12225 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:33,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:33,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 147 [2021-03-26 15:06:33,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:34,280 INFO L129 PetriNetUnfolder]: 578/1311 cut-off events. [2021-03-26 15:06:34,280 INFO L130 PetriNetUnfolder]: For 81592/81605 co-relation queries the response was YES. [2021-03-26 15:06:34,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14978 conditions, 1311 events. 578/1311 cut-off events. For 81592/81605 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8687 event pairs, 13 based on Foata normal form. 14/1155 useless extension candidates. Maximal degree in co-relation 14748. Up to 754 conditions per place. [2021-03-26 15:06:34,303 INFO L132 encePairwiseOnDemand]: 127/147 looper letters, 484 selfloop transitions, 73 changer transitions 0/575 dead transitions. [2021-03-26 15:06:34,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 575 transitions, 14711 flow [2021-03-26 15:06:34,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:06:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:06:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 898 transitions. [2021-03-26 15:06:34,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.359343737494998 [2021-03-26 15:06:34,304 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 898 transitions. [2021-03-26 15:06:34,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 898 transitions. [2021-03-26 15:06:34,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:34,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 898 transitions. [2021-03-26 15:06:34,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 52.8235294117647) internal successors, (898), 17 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:34,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:34,306 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 147.0) internal successors, (2646), 18 states have internal predecessors, (2646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:34,306 INFO L185 Difference]: Start difference. First operand has 493 places, 537 transitions, 12225 flow. Second operand 17 states and 898 transitions. [2021-03-26 15:06:34,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 575 transitions, 14711 flow [2021-03-26 15:06:34,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 575 transitions, 14278 flow, removed 193 selfloop flow, removed 9 redundant places. [2021-03-26 15:06:34,811 INFO L241 Difference]: Finished difference. Result has 502 places, 562 transitions, 13222 flow [2021-03-26 15:06:34,811 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=147, PETRI_DIFFERENCE_MINUEND_FLOW=11794, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13222, PETRI_PLACES=502, PETRI_TRANSITIONS=562} [2021-03-26 15:06:34,811 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 449 predicate places. [2021-03-26 15:06:34,811 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:34,811 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 502 places, 562 transitions, 13222 flow [2021-03-26 15:06:34,812 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 502 places, 562 transitions, 13222 flow [2021-03-26 15:06:34,816 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 502 places, 562 transitions, 13222 flow [2021-03-26 15:06:35,019 INFO L129 PetriNetUnfolder]: 520/1214 cut-off events. [2021-03-26 15:06:35,019 INFO L130 PetriNetUnfolder]: For 79901/79938 co-relation queries the response was YES. [2021-03-26 15:06:35,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13381 conditions, 1214 events. 520/1214 cut-off events. For 79901/79938 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8270 event pairs, 14 based on Foata normal form. 8/1061 useless extension candidates. Maximal degree in co-relation 13152. Up to 277 conditions per place. [2021-03-26 15:06:35,049 INFO L142 LiptonReduction]: Number of co-enabled transitions 2268 [2021-03-26 15:06:35,269 INFO L154 LiptonReduction]: Checked pairs total: 15 [2021-03-26 15:06:35,269 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 15:06:35,270 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 459 [2021-03-26 15:06:35,270 INFO L480 AbstractCegarLoop]: Abstraction has has 502 places, 562 transitions, 13323 flow [2021-03-26 15:06:35,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:35,270 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:35,270 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:35,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-03-26 15:06:35,270 INFO L428 AbstractCegarLoop]: === Iteration 241 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:35,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:35,270 INFO L82 PathProgramCache]: Analyzing trace with hash 883825149, now seen corresponding path program 5 times [2021-03-26 15:06:35,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:35,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667069952] [2021-03-26 15:06:35,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:35,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:35,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:35,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:35,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:35,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:35,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:35,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:35,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:35,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:35,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:35,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:35,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:35,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:35,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:35,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:35,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:35,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:35,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:35,369 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:35,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:35,385 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:35,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:35,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:35,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667069952] [2021-03-26 15:06:35,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:35,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:06:35,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764998587] [2021-03-26 15:06:35,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:06:35,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:35,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:06:35,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:06:35,389 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 150 [2021-03-26 15:06:35,389 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 562 transitions, 13323 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:35,389 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:35,389 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 150 [2021-03-26 15:06:35,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:36,149 INFO L129 PetriNetUnfolder]: 574/1314 cut-off events. [2021-03-26 15:06:36,150 INFO L130 PetriNetUnfolder]: For 83892/83896 co-relation queries the response was YES. [2021-03-26 15:06:36,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15100 conditions, 1314 events. 574/1314 cut-off events. For 83892/83896 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 8811 event pairs, 14 based on Foata normal form. 5/1153 useless extension candidates. Maximal degree in co-relation 14865. Up to 788 conditions per place. [2021-03-26 15:06:36,174 INFO L132 encePairwiseOnDemand]: 131/150 looper letters, 506 selfloop transitions, 55 changer transitions 0/579 dead transitions. [2021-03-26 15:06:36,174 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 579 transitions, 14718 flow [2021-03-26 15:06:36,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:06:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:06:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 841 transitions. [2021-03-26 15:06:36,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35041666666666665 [2021-03-26 15:06:36,175 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 841 transitions. [2021-03-26 15:06:36,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 841 transitions. [2021-03-26 15:06:36,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:36,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 841 transitions. [2021-03-26 15:06:36,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:36,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 150.0) internal successors, (2550), 17 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:36,177 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 150.0) internal successors, (2550), 17 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:36,177 INFO L185 Difference]: Start difference. First operand has 502 places, 562 transitions, 13323 flow. Second operand 16 states and 841 transitions. [2021-03-26 15:06:36,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 579 transitions, 14718 flow [2021-03-26 15:06:36,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 512 places, 579 transitions, 13456 flow, removed 607 selfloop flow, removed 5 redundant places. [2021-03-26 15:06:36,680 INFO L241 Difference]: Finished difference. Result has 518 places, 569 transitions, 12387 flow [2021-03-26 15:06:36,680 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=12063, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=12387, PETRI_PLACES=518, PETRI_TRANSITIONS=569} [2021-03-26 15:06:36,680 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 465 predicate places. [2021-03-26 15:06:36,680 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:36,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 518 places, 569 transitions, 12387 flow [2021-03-26 15:06:36,681 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 518 places, 569 transitions, 12387 flow [2021-03-26 15:06:36,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 518 places, 569 transitions, 12387 flow [2021-03-26 15:06:36,883 INFO L129 PetriNetUnfolder]: 517/1219 cut-off events. [2021-03-26 15:06:36,883 INFO L130 PetriNetUnfolder]: For 72290/72328 co-relation queries the response was YES. [2021-03-26 15:06:36,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12848 conditions, 1219 events. 517/1219 cut-off events. For 72290/72328 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 8364 event pairs, 14 based on Foata normal form. 9/1069 useless extension candidates. Maximal degree in co-relation 12612. Up to 267 conditions per place. [2021-03-26 15:06:36,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 2342 [2021-03-26 15:06:36,946 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:36,947 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:36,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 267 [2021-03-26 15:06:36,947 INFO L480 AbstractCegarLoop]: Abstraction has has 518 places, 569 transitions, 12387 flow [2021-03-26 15:06:36,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:36,947 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:36,947 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:36,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-03-26 15:06:36,947 INFO L428 AbstractCegarLoop]: === Iteration 242 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:36,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:36,947 INFO L82 PathProgramCache]: Analyzing trace with hash 665260406, now seen corresponding path program 1 times [2021-03-26 15:06:36,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:36,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091377091] [2021-03-26 15:06:36,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:36,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:36,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:36,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:36,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:36,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:36,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:36,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:36,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:36,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:36,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:37,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:37,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:37,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:37,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:37,027 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:37,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:37,043 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:37,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:37,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091377091] [2021-03-26 15:06:37,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:37,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:37,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303420351] [2021-03-26 15:06:37,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:37,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:37,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:37,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:37,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 150 [2021-03-26 15:06:37,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 569 transitions, 12387 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:37,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:37,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 150 [2021-03-26 15:06:37,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:37,668 INFO L129 PetriNetUnfolder]: 576/1324 cut-off events. [2021-03-26 15:06:37,668 INFO L130 PetriNetUnfolder]: For 74413/74417 co-relation queries the response was YES. [2021-03-26 15:06:37,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14482 conditions, 1324 events. 576/1324 cut-off events. For 74413/74417 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8914 event pairs, 13 based on Foata normal form. 5/1159 useless extension candidates. Maximal degree in co-relation 14242. Up to 769 conditions per place. [2021-03-26 15:06:37,692 INFO L132 encePairwiseOnDemand]: 129/150 looper letters, 496 selfloop transitions, 66 changer transitions 0/580 dead transitions. [2021-03-26 15:06:37,692 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 580 transitions, 13600 flow [2021-03-26 15:06:37,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:06:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:06:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 553 transitions. [2021-03-26 15:06:37,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36866666666666664 [2021-03-26 15:06:37,694 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 553 transitions. [2021-03-26 15:06:37,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 553 transitions. [2021-03-26 15:06:37,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:37,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 553 transitions. [2021-03-26 15:06:37,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 55.3) internal successors, (553), 10 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:37,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:37,695 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:37,695 INFO L185 Difference]: Start difference. First operand has 518 places, 569 transitions, 12387 flow. Second operand 10 states and 553 transitions. [2021-03-26 15:06:37,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 580 transitions, 13600 flow [2021-03-26 15:06:38,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 580 transitions, 13387 flow, removed 73 selfloop flow, removed 7 redundant places. [2021-03-26 15:06:38,185 INFO L241 Difference]: Finished difference. Result has 521 places, 569 transitions, 12318 flow [2021-03-26 15:06:38,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=12174, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=569, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=12318, PETRI_PLACES=521, PETRI_TRANSITIONS=569} [2021-03-26 15:06:38,185 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 468 predicate places. [2021-03-26 15:06:38,185 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:38,185 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 569 transitions, 12318 flow [2021-03-26 15:06:38,185 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 569 transitions, 12318 flow [2021-03-26 15:06:38,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 521 places, 569 transitions, 12318 flow [2021-03-26 15:06:38,395 INFO L129 PetriNetUnfolder]: 533/1262 cut-off events. [2021-03-26 15:06:38,395 INFO L130 PetriNetUnfolder]: For 73410/73414 co-relation queries the response was YES. [2021-03-26 15:06:38,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13116 conditions, 1262 events. 533/1262 cut-off events. For 73410/73414 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8754 event pairs, 12 based on Foata normal form. 2/1095 useless extension candidates. Maximal degree in co-relation 12878. Up to 267 conditions per place. [2021-03-26 15:06:38,427 INFO L142 LiptonReduction]: Number of co-enabled transitions 2342 [2021-03-26 15:06:38,463 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:38,463 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:38,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 278 [2021-03-26 15:06:38,463 INFO L480 AbstractCegarLoop]: Abstraction has has 521 places, 569 transitions, 12318 flow [2021-03-26 15:06:38,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:38,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:38,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:38,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-03-26 15:06:38,463 INFO L428 AbstractCegarLoop]: === Iteration 243 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:38,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:38,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1740122725, now seen corresponding path program 1 times [2021-03-26 15:06:38,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:38,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327805776] [2021-03-26 15:06:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:38,470 INFO L142 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-03-26 15:06:38,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:38,475 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:06:38,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:38,481 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:06:38,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:38,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:38,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:38,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:38,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:38,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:38,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:38,519 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:38,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:38,531 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:38,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:38,545 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:38,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:38,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327805776] [2021-03-26 15:06:38,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:38,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:38,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767941757] [2021-03-26 15:06:38,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:38,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:38,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:38,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:38,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 150 [2021-03-26 15:06:38,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 569 transitions, 12318 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:38,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:38,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 150 [2021-03-26 15:06:38,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:39,169 INFO L129 PetriNetUnfolder]: 577/1335 cut-off events. [2021-03-26 15:06:39,169 INFO L130 PetriNetUnfolder]: For 76866/76872 co-relation queries the response was YES. [2021-03-26 15:06:39,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14596 conditions, 1335 events. 577/1335 cut-off events. For 76866/76872 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 9104 event pairs, 7 based on Foata normal form. 7/1172 useless extension candidates. Maximal degree in co-relation 14354. Up to 802 conditions per place. [2021-03-26 15:06:39,194 INFO L132 encePairwiseOnDemand]: 131/150 looper letters, 516 selfloop transitions, 50 changer transitions 0/584 dead transitions. [2021-03-26 15:06:39,194 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 584 transitions, 13720 flow [2021-03-26 15:06:39,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:39,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 599 transitions. [2021-03-26 15:06:39,195 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36303030303030304 [2021-03-26 15:06:39,195 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 599 transitions. [2021-03-26 15:06:39,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 599 transitions. [2021-03-26 15:06:39,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:39,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 599 transitions. [2021-03-26 15:06:39,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 54.45454545454545) internal successors, (599), 11 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:39,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 150.0) internal successors, (1800), 12 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:39,196 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 150.0) internal successors, (1800), 12 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:39,196 INFO L185 Difference]: Start difference. First operand has 521 places, 569 transitions, 12318 flow. Second operand 11 states and 599 transitions. [2021-03-26 15:06:39,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 584 transitions, 13720 flow [2021-03-26 15:06:39,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 584 transitions, 13571 flow, removed 1 selfloop flow, removed 10 redundant places. [2021-03-26 15:06:39,645 INFO L241 Difference]: Finished difference. Result has 525 places, 574 transitions, 12501 flow [2021-03-26 15:06:39,645 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=150, PETRI_DIFFERENCE_MINUEND_FLOW=12175, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=569, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=12501, PETRI_PLACES=525, PETRI_TRANSITIONS=574} [2021-03-26 15:06:39,645 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 472 predicate places. [2021-03-26 15:06:39,645 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:39,645 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 525 places, 574 transitions, 12501 flow [2021-03-26 15:06:39,645 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 525 places, 574 transitions, 12501 flow [2021-03-26 15:06:39,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 525 places, 574 transitions, 12501 flow [2021-03-26 15:06:39,853 INFO L129 PetriNetUnfolder]: 525/1251 cut-off events. [2021-03-26 15:06:39,853 INFO L130 PetriNetUnfolder]: For 73201/73272 co-relation queries the response was YES. [2021-03-26 15:06:39,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13079 conditions, 1251 events. 525/1251 cut-off events. For 73201/73272 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8727 event pairs, 14 based on Foata normal form. 7/1091 useless extension candidates. Maximal degree in co-relation 12838. Up to 265 conditions per place. [2021-03-26 15:06:39,884 INFO L142 LiptonReduction]: Number of co-enabled transitions 2392 [2021-03-26 15:06:39,985 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:06:39,985 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:06:39,985 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 340 [2021-03-26 15:06:39,985 INFO L480 AbstractCegarLoop]: Abstraction has has 524 places, 573 transitions, 12485 flow [2021-03-26 15:06:39,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:39,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:39,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:39,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-03-26 15:06:39,986 INFO L428 AbstractCegarLoop]: === Iteration 244 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:39,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:39,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2068952229, now seen corresponding path program 2 times [2021-03-26 15:06:39,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:39,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499846125] [2021-03-26 15:06:39,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:39,997 INFO L142 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-03-26 15:06:39,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:40,002 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:06:40,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:40,008 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:06:40,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:40,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:40,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:40,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:40,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:40,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:40,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:40,046 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:40,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:40,059 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:40,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:40,072 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:40,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:40,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499846125] [2021-03-26 15:06:40,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:40,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:40,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213201354] [2021-03-26 15:06:40,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:40,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:40,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:40,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:40,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 151 [2021-03-26 15:06:40,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 573 transitions, 12485 flow. Second operand has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:40,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:40,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 151 [2021-03-26 15:06:40,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:40,769 INFO L129 PetriNetUnfolder]: 588/1365 cut-off events. [2021-03-26 15:06:40,769 INFO L130 PetriNetUnfolder]: For 86310/86325 co-relation queries the response was YES. [2021-03-26 15:06:40,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15300 conditions, 1365 events. 588/1365 cut-off events. For 86310/86325 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9319 event pairs, 7 based on Foata normal form. 16/1206 useless extension candidates. Maximal degree in co-relation 15055. Up to 764 conditions per place. [2021-03-26 15:06:40,795 INFO L132 encePairwiseOnDemand]: 130/151 looper letters, 500 selfloop transitions, 89 changer transitions 0/607 dead transitions. [2021-03-26 15:06:40,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 607 transitions, 14907 flow [2021-03-26 15:06:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 614 transitions. [2021-03-26 15:06:40,796 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3696568332329922 [2021-03-26 15:06:40,796 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 614 transitions. [2021-03-26 15:06:40,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 614 transitions. [2021-03-26 15:06:40,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:40,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 614 transitions. [2021-03-26 15:06:40,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.81818181818182) internal successors, (614), 11 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:40,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 151.0) internal successors, (1812), 12 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:40,797 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 151.0) internal successors, (1812), 12 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:40,797 INFO L185 Difference]: Start difference. First operand has 524 places, 573 transitions, 12485 flow. Second operand 11 states and 614 transitions. [2021-03-26 15:06:40,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 607 transitions, 14907 flow [2021-03-26 15:06:41,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 607 transitions, 14727 flow, removed 52 selfloop flow, removed 7 redundant places. [2021-03-26 15:06:41,349 INFO L241 Difference]: Finished difference. Result has 531 places, 593 transitions, 13641 flow [2021-03-26 15:06:41,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=12311, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=573, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13641, PETRI_PLACES=531, PETRI_TRANSITIONS=593} [2021-03-26 15:06:41,349 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 478 predicate places. [2021-03-26 15:06:41,349 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:41,349 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 531 places, 593 transitions, 13641 flow [2021-03-26 15:06:41,350 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 531 places, 593 transitions, 13641 flow [2021-03-26 15:06:41,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 531 places, 593 transitions, 13641 flow [2021-03-26 15:06:41,571 INFO L129 PetriNetUnfolder]: 541/1299 cut-off events. [2021-03-26 15:06:41,572 INFO L130 PetriNetUnfolder]: For 83119/83157 co-relation queries the response was YES. [2021-03-26 15:06:41,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13839 conditions, 1299 events. 541/1299 cut-off events. For 83119/83157 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9194 event pairs, 12 based on Foata normal form. 11/1135 useless extension candidates. Maximal degree in co-relation 13595. Up to 275 conditions per place. [2021-03-26 15:06:41,608 INFO L142 LiptonReduction]: Number of co-enabled transitions 2550 [2021-03-26 15:06:41,756 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:06:41,756 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:06:41,756 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 407 [2021-03-26 15:06:41,757 INFO L480 AbstractCegarLoop]: Abstraction has has 531 places, 593 transitions, 13716 flow [2021-03-26 15:06:41,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.1) internal successors, (491), 10 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:41,757 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:41,757 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:41,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-03-26 15:06:41,757 INFO L428 AbstractCegarLoop]: === Iteration 245 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:41,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:41,757 INFO L82 PathProgramCache]: Analyzing trace with hash 107400753, now seen corresponding path program 1 times [2021-03-26 15:06:41,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:41,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915349] [2021-03-26 15:06:41,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:41,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:41,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:41,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:41,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:41,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:41,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:41,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:41,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:41,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:41,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:41,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:41,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:41,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:41,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:41,814 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:41,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:41,826 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:41,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:41,839 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:41,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:41,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915349] [2021-03-26 15:06:41,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:41,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:41,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554882142] [2021-03-26 15:06:41,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:41,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:41,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:41,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:41,842 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 15:06:41,843 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 593 transitions, 13716 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:41,843 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:41,843 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 15:06:41,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:42,577 INFO L129 PetriNetUnfolder]: 605/1444 cut-off events. [2021-03-26 15:06:42,577 INFO L130 PetriNetUnfolder]: For 93613/93619 co-relation queries the response was YES. [2021-03-26 15:06:42,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15951 conditions, 1444 events. 605/1444 cut-off events. For 93613/93619 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 10263 event pairs, 7 based on Foata normal form. 8/1259 useless extension candidates. Maximal degree in co-relation 15703. Up to 785 conditions per place. [2021-03-26 15:06:42,604 INFO L132 encePairwiseOnDemand]: 131/152 looper letters, 526 selfloop transitions, 79 changer transitions 0/623 dead transitions. [2021-03-26 15:06:42,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 623 transitions, 15770 flow [2021-03-26 15:06:42,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 617 transitions. [2021-03-26 15:06:42,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36901913875598086 [2021-03-26 15:06:42,605 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 617 transitions. [2021-03-26 15:06:42,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 617 transitions. [2021-03-26 15:06:42,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:42,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 617 transitions. [2021-03-26 15:06:42,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.09090909090909) internal successors, (617), 11 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:42,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 152.0) internal successors, (1824), 12 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:42,607 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 152.0) internal successors, (1824), 12 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:42,607 INFO L185 Difference]: Start difference. First operand has 531 places, 593 transitions, 13716 flow. Second operand 11 states and 617 transitions. [2021-03-26 15:06:42,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 623 transitions, 15770 flow [2021-03-26 15:06:43,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 623 transitions, 14719 flow, removed 512 selfloop flow, removed 3 redundant places. [2021-03-26 15:06:43,208 INFO L241 Difference]: Finished difference. Result has 546 places, 608 transitions, 13599 flow [2021-03-26 15:06:43,208 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=12841, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=593, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13599, PETRI_PLACES=546, PETRI_TRANSITIONS=608} [2021-03-26 15:06:43,208 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 493 predicate places. [2021-03-26 15:06:43,208 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:43,208 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 546 places, 608 transitions, 13599 flow [2021-03-26 15:06:43,208 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 546 places, 608 transitions, 13599 flow [2021-03-26 15:06:43,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 546 places, 608 transitions, 13599 flow [2021-03-26 15:06:43,439 INFO L129 PetriNetUnfolder]: 548/1344 cut-off events. [2021-03-26 15:06:43,439 INFO L130 PetriNetUnfolder]: For 80835/80917 co-relation queries the response was YES. [2021-03-26 15:06:43,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13961 conditions, 1344 events. 548/1344 cut-off events. For 80835/80917 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9718 event pairs, 14 based on Foata normal form. 10/1172 useless extension candidates. Maximal degree in co-relation 13708. Up to 267 conditions per place. [2021-03-26 15:06:43,474 INFO L142 LiptonReduction]: Number of co-enabled transitions 2696 [2021-03-26 15:06:43,513 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:43,513 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:43,513 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 305 [2021-03-26 15:06:43,514 INFO L480 AbstractCegarLoop]: Abstraction has has 546 places, 608 transitions, 13599 flow [2021-03-26 15:06:43,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:43,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:43,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:43,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-03-26 15:06:43,514 INFO L428 AbstractCegarLoop]: === Iteration 246 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:43,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:43,514 INFO L82 PathProgramCache]: Analyzing trace with hash 148832423, now seen corresponding path program 1 times [2021-03-26 15:06:43,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:43,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496831809] [2021-03-26 15:06:43,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:43,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:43,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:43,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:43,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:43,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:43,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:43,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:43,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:43,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:43,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:43,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:43,571 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:06:43,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:06:43,573 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:43,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:43,585 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:43,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:43,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496831809] [2021-03-26 15:06:43,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:43,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:06:43,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402837825] [2021-03-26 15:06:43,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:06:43,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:43,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:06:43,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:06:43,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 15:06:43,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 608 transitions, 13599 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:43,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:43,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 15:06:43,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:44,253 INFO L129 PetriNetUnfolder]: 611/1467 cut-off events. [2021-03-26 15:06:44,253 INFO L130 PetriNetUnfolder]: For 85035/85041 co-relation queries the response was YES. [2021-03-26 15:06:44,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15647 conditions, 1467 events. 611/1467 cut-off events. For 85035/85041 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10516 event pairs, 8 based on Foata normal form. 7/1274 useless extension candidates. Maximal degree in co-relation 15390. Up to 789 conditions per place. [2021-03-26 15:06:44,280 INFO L132 encePairwiseOnDemand]: 133/152 looper letters, 524 selfloop transitions, 81 changer transitions 0/623 dead transitions. [2021-03-26 15:06:44,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 623 transitions, 15121 flow [2021-03-26 15:06:44,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:06:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:06:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 517 transitions. [2021-03-26 15:06:44,281 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.37792397660818716 [2021-03-26 15:06:44,281 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 517 transitions. [2021-03-26 15:06:44,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 517 transitions. [2021-03-26 15:06:44,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:44,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 517 transitions. [2021-03-26 15:06:44,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 57.44444444444444) internal successors, (517), 9 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:44,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:44,282 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 152.0) internal successors, (1520), 10 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:44,282 INFO L185 Difference]: Start difference. First operand has 546 places, 608 transitions, 13599 flow. Second operand 9 states and 517 transitions. [2021-03-26 15:06:44,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 623 transitions, 15121 flow [2021-03-26 15:06:44,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 623 transitions, 14846 flow, removed 123 selfloop flow, removed 3 redundant places. [2021-03-26 15:06:44,870 INFO L241 Difference]: Finished difference. Result has 554 places, 610 transitions, 13653 flow [2021-03-26 15:06:44,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=13324, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=608, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=13653, PETRI_PLACES=554, PETRI_TRANSITIONS=610} [2021-03-26 15:06:44,870 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 501 predicate places. [2021-03-26 15:06:44,870 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:44,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 554 places, 610 transitions, 13653 flow [2021-03-26 15:06:44,870 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 554 places, 610 transitions, 13653 flow [2021-03-26 15:06:44,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 554 places, 610 transitions, 13653 flow [2021-03-26 15:06:45,121 INFO L129 PetriNetUnfolder]: 562/1393 cut-off events. [2021-03-26 15:06:45,122 INFO L130 PetriNetUnfolder]: For 79357/79360 co-relation queries the response was YES. [2021-03-26 15:06:45,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14284 conditions, 1393 events. 562/1393 cut-off events. For 79357/79360 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 10235 event pairs, 15 based on Foata normal form. 1/1198 useless extension candidates. Maximal degree in co-relation 14028. Up to 268 conditions per place. [2021-03-26 15:06:45,160 INFO L142 LiptonReduction]: Number of co-enabled transitions 2722 [2021-03-26 15:06:45,197 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:45,197 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:45,197 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 327 [2021-03-26 15:06:45,198 INFO L480 AbstractCegarLoop]: Abstraction has has 554 places, 610 transitions, 13653 flow [2021-03-26 15:06:45,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:45,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:45,198 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:45,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-03-26 15:06:45,198 INFO L428 AbstractCegarLoop]: === Iteration 247 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:45,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:45,198 INFO L82 PathProgramCache]: Analyzing trace with hash 574455583, now seen corresponding path program 2 times [2021-03-26 15:06:45,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:45,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295227738] [2021-03-26 15:06:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:45,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:45,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:45,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:45,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:45,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:45,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:45,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:45,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:45,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:45,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:45,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:45,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:45,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:45,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:45,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:45,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:45,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:45,294 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:45,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:45,310 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:45,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:45,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:45,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295227738] [2021-03-26 15:06:45,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:45,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:06:45,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959064757] [2021-03-26 15:06:45,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:06:45,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:45,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:06:45,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:06:45,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 15:06:45,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 610 transitions, 13653 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:45,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:45,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 15:06:45,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:46,115 INFO L129 PetriNetUnfolder]: 618/1491 cut-off events. [2021-03-26 15:06:46,115 INFO L130 PetriNetUnfolder]: For 85237/85241 co-relation queries the response was YES. [2021-03-26 15:06:46,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15933 conditions, 1491 events. 618/1491 cut-off events. For 85237/85241 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 10713 event pairs, 17 based on Foata normal form. 5/1289 useless extension candidates. Maximal degree in co-relation 15673. Up to 834 conditions per place. [2021-03-26 15:06:46,144 INFO L132 encePairwiseOnDemand]: 137/152 looper letters, 541 selfloop transitions, 67 changer transitions 0/626 dead transitions. [2021-03-26 15:06:46,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 626 transitions, 15296 flow [2021-03-26 15:06:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:06:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:06:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2021-03-26 15:06:46,145 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35620300751879697 [2021-03-26 15:06:46,145 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 758 transitions. [2021-03-26 15:06:46,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 758 transitions. [2021-03-26 15:06:46,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:46,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 758 transitions. [2021-03-26 15:06:46,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.142857142857146) internal successors, (758), 14 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:46,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:46,147 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 152.0) internal successors, (2280), 15 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:46,147 INFO L185 Difference]: Start difference. First operand has 554 places, 610 transitions, 13653 flow. Second operand 14 states and 758 transitions. [2021-03-26 15:06:46,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 626 transitions, 15296 flow [2021-03-26 15:06:46,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 626 transitions, 15180 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-03-26 15:06:46,745 INFO L241 Difference]: Finished difference. Result has 569 places, 614 transitions, 13968 flow [2021-03-26 15:06:46,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=13537, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=610, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=13968, PETRI_PLACES=569, PETRI_TRANSITIONS=614} [2021-03-26 15:06:46,746 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 516 predicate places. [2021-03-26 15:06:46,746 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:46,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 569 places, 614 transitions, 13968 flow [2021-03-26 15:06:46,746 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 569 places, 614 transitions, 13968 flow [2021-03-26 15:06:46,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 569 places, 614 transitions, 13968 flow [2021-03-26 15:06:46,997 INFO L129 PetriNetUnfolder]: 556/1390 cut-off events. [2021-03-26 15:06:46,998 INFO L130 PetriNetUnfolder]: For 83225/83265 co-relation queries the response was YES. [2021-03-26 15:06:47,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14281 conditions, 1390 events. 556/1390 cut-off events. For 83225/83265 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10265 event pairs, 14 based on Foata normal form. 14/1207 useless extension candidates. Maximal degree in co-relation 14021. Up to 269 conditions per place. [2021-03-26 15:06:47,036 INFO L142 LiptonReduction]: Number of co-enabled transitions 2748 [2021-03-26 15:06:47,076 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:47,077 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:47,077 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 331 [2021-03-26 15:06:47,077 INFO L480 AbstractCegarLoop]: Abstraction has has 569 places, 614 transitions, 13968 flow [2021-03-26 15:06:47,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:47,077 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:47,077 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:47,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-03-26 15:06:47,077 INFO L428 AbstractCegarLoop]: === Iteration 248 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:47,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:47,077 INFO L82 PathProgramCache]: Analyzing trace with hash -804948699, now seen corresponding path program 6 times [2021-03-26 15:06:47,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:47,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533076930] [2021-03-26 15:06:47,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:47,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:47,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:47,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:47,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:47,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:47,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:47,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:47,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:47,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:47,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:47,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:47,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:47,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:47,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:47,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:47,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:47,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:47,162 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:47,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:47,177 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:47,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:47,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533076930] [2021-03-26 15:06:47,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:47,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:47,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077764155] [2021-03-26 15:06:47,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:47,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:47,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:47,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:47,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 152 [2021-03-26 15:06:47,180 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 569 places, 614 transitions, 13968 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:47,180 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:47,180 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 152 [2021-03-26 15:06:47,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:48,055 INFO L129 PetriNetUnfolder]: 650/1574 cut-off events. [2021-03-26 15:06:48,055 INFO L130 PetriNetUnfolder]: For 99136/99142 co-relation queries the response was YES. [2021-03-26 15:06:48,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17324 conditions, 1574 events. 650/1574 cut-off events. For 99136/99142 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 11526 event pairs, 10 based on Foata normal form. 7/1360 useless extension candidates. Maximal degree in co-relation 17060. Up to 880 conditions per place. [2021-03-26 15:06:48,085 INFO L132 encePairwiseOnDemand]: 134/152 looper letters, 575 selfloop transitions, 66 changer transitions 0/659 dead transitions. [2021-03-26 15:06:48,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 585 places, 659 transitions, 17347 flow [2021-03-26 15:06:48,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:06:48,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:06:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 905 transitions. [2021-03-26 15:06:48,086 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35023219814241485 [2021-03-26 15:06:48,086 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 905 transitions. [2021-03-26 15:06:48,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 905 transitions. [2021-03-26 15:06:48,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:48,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 905 transitions. [2021-03-26 15:06:48,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.23529411764706) internal successors, (905), 17 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:48,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 152.0) internal successors, (2736), 18 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:48,088 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 152.0) internal successors, (2736), 18 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:48,088 INFO L185 Difference]: Start difference. First operand has 569 places, 614 transitions, 13968 flow. Second operand 17 states and 905 transitions. [2021-03-26 15:06:48,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 585 places, 659 transitions, 17347 flow [2021-03-26 15:06:48,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 576 places, 659 transitions, 17169 flow, removed 52 selfloop flow, removed 9 redundant places. [2021-03-26 15:06:48,793 INFO L241 Difference]: Finished difference. Result has 584 places, 647 transitions, 15756 flow [2021-03-26 15:06:48,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=13790, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=614, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=568, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=15756, PETRI_PLACES=584, PETRI_TRANSITIONS=647} [2021-03-26 15:06:48,794 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 531 predicate places. [2021-03-26 15:06:48,794 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:48,794 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 584 places, 647 transitions, 15756 flow [2021-03-26 15:06:48,794 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 584 places, 647 transitions, 15756 flow [2021-03-26 15:06:48,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 584 places, 647 transitions, 15756 flow [2021-03-26 15:06:49,082 INFO L129 PetriNetUnfolder]: 608/1519 cut-off events. [2021-03-26 15:06:49,082 INFO L130 PetriNetUnfolder]: For 102373/102378 co-relation queries the response was YES. [2021-03-26 15:06:49,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15979 conditions, 1519 events. 608/1519 cut-off events. For 102373/102378 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 11454 event pairs, 10 based on Foata normal form. 3/1297 useless extension candidates. Maximal degree in co-relation 15711. Up to 290 conditions per place. [2021-03-26 15:06:49,129 INFO L142 LiptonReduction]: Number of co-enabled transitions 2934 [2021-03-26 15:06:49,309 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-26 15:06:49,309 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 15:06:49,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 515 [2021-03-26 15:06:49,309 INFO L480 AbstractCegarLoop]: Abstraction has has 584 places, 647 transitions, 15942 flow [2021-03-26 15:06:49,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:49,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:49,310 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:49,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-03-26 15:06:49,310 INFO L428 AbstractCegarLoop]: === Iteration 249 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:49,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:49,310 INFO L82 PathProgramCache]: Analyzing trace with hash 2044593501, now seen corresponding path program 3 times [2021-03-26 15:06:49,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:49,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858347409] [2021-03-26 15:06:49,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:49,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:49,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:49,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:49,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:49,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:49,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:49,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:49,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:49,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:49,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:49,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:49,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:49,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:49,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:49,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:49,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:49,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:49,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:49,393 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:49,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:49,397 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:49,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:49,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858347409] [2021-03-26 15:06:49,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:49,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:49,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098332783] [2021-03-26 15:06:49,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:49,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:49,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:49,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:49,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 15:06:49,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 647 transitions, 15942 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:49,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:49,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 15:06:49,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:50,219 INFO L129 PetriNetUnfolder]: 655/1587 cut-off events. [2021-03-26 15:06:50,219 INFO L130 PetriNetUnfolder]: For 106155/106168 co-relation queries the response was YES. [2021-03-26 15:06:50,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17815 conditions, 1587 events. 655/1587 cut-off events. For 106155/106168 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 11611 event pairs, 19 based on Foata normal form. 14/1377 useless extension candidates. Maximal degree in co-relation 17543. Up to 901 conditions per place. [2021-03-26 15:06:50,252 INFO L132 encePairwiseOnDemand]: 141/156 looper letters, 594 selfloop transitions, 49 changer transitions 0/661 dead transitions. [2021-03-26 15:06:50,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 594 places, 661 transitions, 17631 flow [2021-03-26 15:06:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 608 transitions. [2021-03-26 15:06:50,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3543123543123543 [2021-03-26 15:06:50,253 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 608 transitions. [2021-03-26 15:06:50,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 608 transitions. [2021-03-26 15:06:50,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:50,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 608 transitions. [2021-03-26 15:06:50,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.27272727272727) internal successors, (608), 11 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:50,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:50,255 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:50,255 INFO L185 Difference]: Start difference. First operand has 584 places, 647 transitions, 15942 flow. Second operand 11 states and 608 transitions. [2021-03-26 15:06:50,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 594 places, 661 transitions, 17631 flow [2021-03-26 15:06:50,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 591 places, 661 transitions, 16284 flow, removed 660 selfloop flow, removed 3 redundant places. [2021-03-26 15:06:50,960 INFO L241 Difference]: Finished difference. Result has 594 places, 653 transitions, 15090 flow [2021-03-26 15:06:50,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=14595, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=647, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=599, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15090, PETRI_PLACES=594, PETRI_TRANSITIONS=653} [2021-03-26 15:06:50,960 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 541 predicate places. [2021-03-26 15:06:50,960 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:50,960 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 594 places, 653 transitions, 15090 flow [2021-03-26 15:06:50,961 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 594 places, 653 transitions, 15090 flow [2021-03-26 15:06:50,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 594 places, 653 transitions, 15090 flow [2021-03-26 15:06:51,279 INFO L129 PetriNetUnfolder]: 603/1503 cut-off events. [2021-03-26 15:06:51,279 INFO L130 PetriNetUnfolder]: For 96057/96102 co-relation queries the response was YES. [2021-03-26 15:06:51,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15436 conditions, 1503 events. 603/1503 cut-off events. For 96057/96102 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 11271 event pairs, 12 based on Foata normal form. 15/1297 useless extension candidates. Maximal degree in co-relation 15164. Up to 277 conditions per place. [2021-03-26 15:06:51,321 INFO L142 LiptonReduction]: Number of co-enabled transitions 2970 [2021-03-26 15:06:51,364 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:51,364 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:51,364 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 404 [2021-03-26 15:06:51,364 INFO L480 AbstractCegarLoop]: Abstraction has has 594 places, 653 transitions, 15090 flow [2021-03-26 15:06:51,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:51,364 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:51,364 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:51,364 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-03-26 15:06:51,364 INFO L428 AbstractCegarLoop]: === Iteration 250 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:51,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:51,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1291621788, now seen corresponding path program 1 times [2021-03-26 15:06:51,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:51,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580197454] [2021-03-26 15:06:51,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:51,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:51,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:51,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:51,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:51,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:51,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:51,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:51,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:51,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:51,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:51,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:51,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:51,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:51,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:51,448 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:51,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:51,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580197454] [2021-03-26 15:06:51,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:51,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:51,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200184706] [2021-03-26 15:06:51,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:51,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:51,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:51,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:51,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 15:06:51,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 653 transitions, 15090 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:51,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:51,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 15:06:51,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:52,253 INFO L129 PetriNetUnfolder]: 669/1609 cut-off events. [2021-03-26 15:06:52,253 INFO L130 PetriNetUnfolder]: For 108910/108930 co-relation queries the response was YES. [2021-03-26 15:06:52,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18111 conditions, 1609 events. 669/1609 cut-off events. For 108910/108930 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 11759 event pairs, 9 based on Foata normal form. 19/1405 useless extension candidates. Maximal degree in co-relation 17835. Up to 898 conditions per place. [2021-03-26 15:06:52,286 INFO L132 encePairwiseOnDemand]: 135/156 looper letters, 585 selfloop transitions, 79 changer transitions 0/682 dead transitions. [2021-03-26 15:06:52,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 607 places, 682 transitions, 17917 flow [2021-03-26 15:06:52,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:06:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:06:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 768 transitions. [2021-03-26 15:06:52,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3516483516483517 [2021-03-26 15:06:52,287 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 768 transitions. [2021-03-26 15:06:52,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 768 transitions. [2021-03-26 15:06:52,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:52,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 768 transitions. [2021-03-26 15:06:52,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.857142857142854) internal successors, (768), 14 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) [2021-03-26 15:06:52,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 156.0) internal successors, (2340), 15 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:52,289 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 156.0) internal successors, (2340), 15 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:52,289 INFO L185 Difference]: Start difference. First operand has 594 places, 653 transitions, 15090 flow. Second operand 14 states and 768 transitions. [2021-03-26 15:06:52,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 607 places, 682 transitions, 17917 flow [2021-03-26 15:06:52,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 601 places, 682 transitions, 17661 flow, removed 109 selfloop flow, removed 6 redundant places. [2021-03-26 15:06:52,924 INFO L241 Difference]: Finished difference. Result has 603 places, 669 transitions, 16089 flow [2021-03-26 15:06:52,924 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=14834, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=584, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=16089, PETRI_PLACES=603, PETRI_TRANSITIONS=669} [2021-03-26 15:06:52,924 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 550 predicate places. [2021-03-26 15:06:52,924 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:52,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 603 places, 669 transitions, 16089 flow [2021-03-26 15:06:52,925 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 603 places, 669 transitions, 16089 flow [2021-03-26 15:06:52,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 603 places, 669 transitions, 16089 flow [2021-03-26 15:06:53,217 INFO L129 PetriNetUnfolder]: 618/1526 cut-off events. [2021-03-26 15:06:53,217 INFO L130 PetriNetUnfolder]: For 109319/109359 co-relation queries the response was YES. [2021-03-26 15:06:53,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16425 conditions, 1526 events. 618/1526 cut-off events. For 109319/109359 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11501 event pairs, 13 based on Foata normal form. 14/1319 useless extension candidates. Maximal degree in co-relation 16150. Up to 292 conditions per place. [2021-03-26 15:06:53,262 INFO L142 LiptonReduction]: Number of co-enabled transitions 3020 [2021-03-26 15:06:53,309 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:53,309 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:53,309 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 385 [2021-03-26 15:06:53,309 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 669 transitions, 16089 flow [2021-03-26 15:06:53,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:53,310 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:53,310 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:53,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-03-26 15:06:53,310 INFO L428 AbstractCegarLoop]: === Iteration 251 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:53,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:53,310 INFO L82 PathProgramCache]: Analyzing trace with hash 535352589, now seen corresponding path program 1 times [2021-03-26 15:06:53,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:53,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412015064] [2021-03-26 15:06:53,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:53,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:53,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:53,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:53,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:53,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:53,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:53,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:53,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:53,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:53,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:53,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:53,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:53,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:53,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:53,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:53,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:53,380 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:06:53,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:53,393 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:06:53,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:53,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412015064] [2021-03-26 15:06:53,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:53,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:06:53,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064706757] [2021-03-26 15:06:53,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:06:53,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:53,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:06:53,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:06:53,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 156 [2021-03-26 15:06:53,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 669 transitions, 16089 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:53,396 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:53,396 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 156 [2021-03-26 15:06:53,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:54,314 INFO L129 PetriNetUnfolder]: 695/1681 cut-off events. [2021-03-26 15:06:54,314 INFO L130 PetriNetUnfolder]: For 117963/117976 co-relation queries the response was YES. [2021-03-26 15:06:54,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19111 conditions, 1681 events. 695/1681 cut-off events. For 117963/117976 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 12532 event pairs, 12 based on Foata normal form. 15/1454 useless extension candidates. Maximal degree in co-relation 18832. Up to 873 conditions per place. [2021-03-26 15:06:54,350 INFO L132 encePairwiseOnDemand]: 136/156 looper letters, 579 selfloop transitions, 97 changer transitions 1/695 dead transitions. [2021-03-26 15:06:54,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 613 places, 695 transitions, 18880 flow [2021-03-26 15:06:54,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:06:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:06:54,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 623 transitions. [2021-03-26 15:06:54,351 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36305361305361306 [2021-03-26 15:06:54,352 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 623 transitions. [2021-03-26 15:06:54,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 623 transitions. [2021-03-26 15:06:54,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:54,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 623 transitions. [2021-03-26 15:06:54,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.63636363636363) internal successors, (623), 11 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:54,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:54,353 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:54,353 INFO L185 Difference]: Start difference. First operand has 603 places, 669 transitions, 16089 flow. Second operand 11 states and 623 transitions. [2021-03-26 15:06:54,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 613 places, 695 transitions, 18880 flow [2021-03-26 15:06:55,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 695 transitions, 17997 flow, removed 424 selfloop flow, removed 5 redundant places. [2021-03-26 15:06:55,090 INFO L241 Difference]: Finished difference. Result has 611 places, 680 transitions, 16504 flow [2021-03-26 15:06:55,090 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=15218, PETRI_DIFFERENCE_MINUEND_PLACES=598, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=580, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=16504, PETRI_PLACES=611, PETRI_TRANSITIONS=680} [2021-03-26 15:06:55,090 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 558 predicate places. [2021-03-26 15:06:55,090 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:55,090 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 611 places, 680 transitions, 16504 flow [2021-03-26 15:06:55,090 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 611 places, 680 transitions, 16504 flow [2021-03-26 15:06:55,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 611 places, 680 transitions, 16504 flow [2021-03-26 15:06:55,399 INFO L129 PetriNetUnfolder]: 630/1574 cut-off events. [2021-03-26 15:06:55,400 INFO L130 PetriNetUnfolder]: For 109722/109763 co-relation queries the response was YES. [2021-03-26 15:06:55,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16808 conditions, 1574 events. 630/1574 cut-off events. For 109722/109763 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 12023 event pairs, 14 based on Foata normal form. 15/1359 useless extension candidates. Maximal degree in co-relation 16529. Up to 305 conditions per place. [2021-03-26 15:06:55,448 INFO L142 LiptonReduction]: Number of co-enabled transitions 3116 [2021-03-26 15:06:55,584 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:06:55,584 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:06:55,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-26 15:06:55,584 INFO L480 AbstractCegarLoop]: Abstraction has has 611 places, 680 transitions, 16587 flow [2021-03-26 15:06:55,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:55,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:55,585 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:55,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-03-26 15:06:55,585 INFO L428 AbstractCegarLoop]: === Iteration 252 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:55,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:55,585 INFO L82 PathProgramCache]: Analyzing trace with hash 204063657, now seen corresponding path program 2 times [2021-03-26 15:06:55,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:55,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832611893] [2021-03-26 15:06:55,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:55,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:55,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:55,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:55,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:55,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:55,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:55,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:55,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:55,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:55,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:55,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:55,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:55,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:55,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:55,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:55,665 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:55,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:55,680 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:55,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:55,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832611893] [2021-03-26 15:06:55,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:55,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:55,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366203978] [2021-03-26 15:06:55,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:55,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:55,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:55,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:55,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 15:06:55,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 611 places, 680 transitions, 16587 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:55,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:55,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 15:06:55,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:56,637 INFO L129 PetriNetUnfolder]: 700/1704 cut-off events. [2021-03-26 15:06:56,637 INFO L130 PetriNetUnfolder]: For 121924/121928 co-relation queries the response was YES. [2021-03-26 15:06:56,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19192 conditions, 1704 events. 700/1704 cut-off events. For 121924/121928 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 12793 event pairs, 11 based on Foata normal form. 5/1463 useless extension candidates. Maximal degree in co-relation 18909. Up to 927 conditions per place. [2021-03-26 15:06:56,674 INFO L132 encePairwiseOnDemand]: 138/157 looper letters, 610 selfloop transitions, 66 changer transitions 12/706 dead transitions. [2021-03-26 15:06:56,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 625 places, 706 transitions, 18977 flow [2021-03-26 15:06:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:06:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:06:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 811 transitions. [2021-03-26 15:06:56,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3443736730360934 [2021-03-26 15:06:56,675 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 811 transitions. [2021-03-26 15:06:56,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 811 transitions. [2021-03-26 15:06:56,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:56,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 811 transitions. [2021-03-26 15:06:56,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.06666666666667) internal successors, (811), 15 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:56,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 157.0) internal successors, (2512), 16 states have internal predecessors, (2512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:56,677 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 157.0) internal successors, (2512), 16 states have internal predecessors, (2512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:56,677 INFO L185 Difference]: Start difference. First operand has 611 places, 680 transitions, 16587 flow. Second operand 15 states and 811 transitions. [2021-03-26 15:06:56,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 625 places, 706 transitions, 18977 flow [2021-03-26 15:06:57,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 621 places, 706 transitions, 18046 flow, removed 454 selfloop flow, removed 4 redundant places. [2021-03-26 15:06:57,479 INFO L241 Difference]: Finished difference. Result has 626 places, 684 transitions, 16229 flow [2021-03-26 15:06:57,479 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=15706, PETRI_DIFFERENCE_MINUEND_PLACES=607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=680, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=617, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=16229, PETRI_PLACES=626, PETRI_TRANSITIONS=684} [2021-03-26 15:06:57,479 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 573 predicate places. [2021-03-26 15:06:57,479 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:57,479 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 626 places, 684 transitions, 16229 flow [2021-03-26 15:06:57,479 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 626 places, 684 transitions, 16229 flow [2021-03-26 15:06:57,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 623 places, 684 transitions, 16229 flow [2021-03-26 15:06:57,800 INFO L129 PetriNetUnfolder]: 631/1584 cut-off events. [2021-03-26 15:06:57,800 INFO L130 PetriNetUnfolder]: For 114086/114203 co-relation queries the response was YES. [2021-03-26 15:06:57,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16710 conditions, 1584 events. 631/1584 cut-off events. For 114086/114203 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 12088 event pairs, 10 based on Foata normal form. 13/1365 useless extension candidates. Maximal degree in co-relation 16427. Up to 296 conditions per place. [2021-03-26 15:06:57,849 INFO L142 LiptonReduction]: Number of co-enabled transitions 3118 [2021-03-26 15:06:57,895 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:06:57,895 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:06:57,895 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 416 [2021-03-26 15:06:57,896 INFO L480 AbstractCegarLoop]: Abstraction has has 623 places, 684 transitions, 16229 flow [2021-03-26 15:06:57,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:57,896 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:06:57,896 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:06:57,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-03-26 15:06:57,896 INFO L428 AbstractCegarLoop]: === Iteration 253 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:06:57,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:06:57,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1920672393, now seen corresponding path program 3 times [2021-03-26 15:06:57,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:06:57,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197948010] [2021-03-26 15:06:57,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:06:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:06:57,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:57,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:06:57,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:57,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:06:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:57,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:57,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:57,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:57,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:06:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:57,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:06:57,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:57,974 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:06:57,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:06:57,991 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:06:57,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:06:58,006 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:06:58,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:06:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:06:58,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197948010] [2021-03-26 15:06:58,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:06:58,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:06:58,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665806906] [2021-03-26 15:06:58,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:06:58,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:06:58,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:06:58,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:06:58,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 15:06:58,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 623 places, 684 transitions, 16229 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:58,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:06:58,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 15:06:58,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:06:58,918 INFO L129 PetriNetUnfolder]: 704/1725 cut-off events. [2021-03-26 15:06:58,918 INFO L130 PetriNetUnfolder]: For 121365/121371 co-relation queries the response was YES. [2021-03-26 15:06:58,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19156 conditions, 1725 events. 704/1725 cut-off events. For 121365/121371 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 13050 event pairs, 10 based on Foata normal form. 7/1481 useless extension candidates. Maximal degree in co-relation 18869. Up to 921 conditions per place. [2021-03-26 15:06:58,955 INFO L132 encePairwiseOnDemand]: 138/157 looper letters, 590 selfloop transitions, 103 changer transitions 1/712 dead transitions. [2021-03-26 15:06:58,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 636 places, 712 transitions, 19118 flow [2021-03-26 15:06:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:06:58,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:06:58,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 771 transitions. [2021-03-26 15:06:58,956 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3507734303912648 [2021-03-26 15:06:58,956 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 771 transitions. [2021-03-26 15:06:58,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 771 transitions. [2021-03-26 15:06:58,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:06:58,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 771 transitions. [2021-03-26 15:06:58,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.07142857142857) internal successors, (771), 14 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:58,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 157.0) internal successors, (2355), 15 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:58,958 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 157.0) internal successors, (2355), 15 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:06:58,958 INFO L185 Difference]: Start difference. First operand has 623 places, 684 transitions, 16229 flow. Second operand 14 states and 771 transitions. [2021-03-26 15:06:58,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 636 places, 712 transitions, 19118 flow [2021-03-26 15:06:59,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 628 places, 712 transitions, 18539 flow, removed 241 selfloop flow, removed 8 redundant places. [2021-03-26 15:06:59,890 INFO L241 Difference]: Finished difference. Result has 631 places, 702 transitions, 17268 flow [2021-03-26 15:06:59,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=15686, PETRI_DIFFERENCE_MINUEND_PLACES=615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=592, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17268, PETRI_PLACES=631, PETRI_TRANSITIONS=702} [2021-03-26 15:06:59,890 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 578 predicate places. [2021-03-26 15:06:59,890 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:06:59,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 631 places, 702 transitions, 17268 flow [2021-03-26 15:06:59,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 631 places, 702 transitions, 17268 flow [2021-03-26 15:06:59,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 631 places, 702 transitions, 17268 flow [2021-03-26 15:07:00,214 INFO L129 PetriNetUnfolder]: 647/1631 cut-off events. [2021-03-26 15:07:00,214 INFO L130 PetriNetUnfolder]: For 119900/119941 co-relation queries the response was YES. [2021-03-26 15:07:00,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17192 conditions, 1631 events. 647/1631 cut-off events. For 119900/119941 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 12626 event pairs, 12 based on Foata normal form. 15/1399 useless extension candidates. Maximal degree in co-relation 16907. Up to 296 conditions per place. [2021-03-26 15:07:00,266 INFO L142 LiptonReduction]: Number of co-enabled transitions 3218 [2021-03-26 15:07:00,320 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:00,320 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:00,320 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 430 [2021-03-26 15:07:00,320 INFO L480 AbstractCegarLoop]: Abstraction has has 631 places, 702 transitions, 17268 flow [2021-03-26 15:07:00,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:00,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:00,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:00,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-03-26 15:07:00,320 INFO L428 AbstractCegarLoop]: === Iteration 254 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:00,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:00,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1499234145, now seen corresponding path program 1 times [2021-03-26 15:07:00,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:00,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254111442] [2021-03-26 15:07:00,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:00,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:00,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:00,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:00,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:00,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:00,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:00,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:00,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:00,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:00,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:00,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:00,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:07:00,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:00,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:00,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:07:00,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:07:00,370 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:00,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:00,381 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:00,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:00,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254111442] [2021-03-26 15:07:00,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:00,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:07:00,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177265775] [2021-03-26 15:07:00,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:07:00,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:00,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:07:00,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:07:00,384 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 15:07:00,385 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 702 transitions, 17268 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:00,385 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:00,385 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 15:07:00,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:01,186 INFO L129 PetriNetUnfolder]: 723/1782 cut-off events. [2021-03-26 15:07:01,187 INFO L130 PetriNetUnfolder]: For 129711/129724 co-relation queries the response was YES. [2021-03-26 15:07:01,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19937 conditions, 1782 events. 723/1782 cut-off events. For 129711/129724 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 13641 event pairs, 14 based on Foata normal form. 14/1530 useless extension candidates. Maximal degree in co-relation 19648. Up to 908 conditions per place. [2021-03-26 15:07:01,225 INFO L132 encePairwiseOnDemand]: 138/157 looper letters, 612 selfloop transitions, 97 changer transitions 1/728 dead transitions. [2021-03-26 15:07:01,225 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 638 places, 728 transitions, 20004 flow [2021-03-26 15:07:01,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:07:01,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:07:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 478 transitions. [2021-03-26 15:07:01,226 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38057324840764334 [2021-03-26 15:07:01,226 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 478 transitions. [2021-03-26 15:07:01,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 478 transitions. [2021-03-26 15:07:01,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:01,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 478 transitions. [2021-03-26 15:07:01,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 59.75) internal successors, (478), 8 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:01,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 157.0) internal successors, (1413), 9 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:01,227 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 157.0) internal successors, (1413), 9 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:01,227 INFO L185 Difference]: Start difference. First operand has 631 places, 702 transitions, 17268 flow. Second operand 8 states and 478 transitions. [2021-03-26 15:07:01,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 638 places, 728 transitions, 20004 flow [2021-03-26 15:07:02,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 728 transitions, 19009 flow, removed 486 selfloop flow, removed 3 redundant places. [2021-03-26 15:07:02,105 INFO L241 Difference]: Finished difference. Result has 639 places, 712 transitions, 17325 flow [2021-03-26 15:07:02,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=16333, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=608, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17325, PETRI_PLACES=639, PETRI_TRANSITIONS=712} [2021-03-26 15:07:02,105 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 586 predicate places. [2021-03-26 15:07:02,105 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:02,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 639 places, 712 transitions, 17325 flow [2021-03-26 15:07:02,106 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 639 places, 712 transitions, 17325 flow [2021-03-26 15:07:02,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 639 places, 712 transitions, 17325 flow [2021-03-26 15:07:02,448 INFO L129 PetriNetUnfolder]: 664/1691 cut-off events. [2021-03-26 15:07:02,448 INFO L130 PetriNetUnfolder]: For 121355/121357 co-relation queries the response was YES. [2021-03-26 15:07:02,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18004 conditions, 1691 events. 664/1691 cut-off events. For 121355/121357 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 13315 event pairs, 14 based on Foata normal form. 0/1439 useless extension candidates. Maximal degree in co-relation 17714. Up to 302 conditions per place. [2021-03-26 15:07:02,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 3274 [2021-03-26 15:07:02,558 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:02,558 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:02,559 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 454 [2021-03-26 15:07:02,559 INFO L480 AbstractCegarLoop]: Abstraction has has 639 places, 712 transitions, 17325 flow [2021-03-26 15:07:02,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:02,559 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:02,559 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:02,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-03-26 15:07:02,559 INFO L428 AbstractCegarLoop]: === Iteration 255 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:02,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:02,560 INFO L82 PathProgramCache]: Analyzing trace with hash 31887489, now seen corresponding path program 4 times [2021-03-26 15:07:02,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:02,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737636776] [2021-03-26 15:07:02,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:02,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:02,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:02,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:02,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:02,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:02,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:02,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:02,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:02,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:02,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:02,616 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:07:02,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:07:02,618 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:07:02,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:07:02,630 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:07:02,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:02,645 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:02,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:02,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737636776] [2021-03-26 15:07:02,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:02,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:07:02,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028241628] [2021-03-26 15:07:02,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:07:02,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:02,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:07:02,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:07:02,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 15:07:02,649 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 712 transitions, 17325 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:02,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:02,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 15:07:02,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:03,716 INFO L129 PetriNetUnfolder]: 728/1817 cut-off events. [2021-03-26 15:07:03,717 INFO L130 PetriNetUnfolder]: For 126928/126934 co-relation queries the response was YES. [2021-03-26 15:07:03,742 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19880 conditions, 1817 events. 728/1817 cut-off events. For 126928/126934 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 14042 event pairs, 12 based on Foata normal form. 8/1552 useless extension candidates. Maximal degree in co-relation 19586. Up to 956 conditions per place. [2021-03-26 15:07:03,749 INFO L132 encePairwiseOnDemand]: 138/157 looper letters, 624 selfloop transitions, 84 changer transitions 5/731 dead transitions. [2021-03-26 15:07:03,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 731 transitions, 19356 flow [2021-03-26 15:07:03,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:07:03,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:07:03,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 674 transitions. [2021-03-26 15:07:03,750 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35774946921443734 [2021-03-26 15:07:03,750 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 674 transitions. [2021-03-26 15:07:03,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 674 transitions. [2021-03-26 15:07:03,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:03,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 674 transitions. [2021-03-26 15:07:03,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 56.166666666666664) internal successors, (674), 12 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:03,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 157.0) internal successors, (2041), 13 states have internal predecessors, (2041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:03,752 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 157.0) internal successors, (2041), 13 states have internal predecessors, (2041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:03,752 INFO L185 Difference]: Start difference. First operand has 639 places, 712 transitions, 17325 flow. Second operand 12 states and 674 transitions. [2021-03-26 15:07:03,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 731 transitions, 19356 flow [2021-03-26 15:07:04,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 731 transitions, 19157 flow, removed 95 selfloop flow, removed 1 redundant places. [2021-03-26 15:07:04,543 INFO L241 Difference]: Finished difference. Result has 653 places, 718 transitions, 17775 flow [2021-03-26 15:07:04,544 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=17126, PETRI_DIFFERENCE_MINUEND_PLACES=638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=631, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=17775, PETRI_PLACES=653, PETRI_TRANSITIONS=718} [2021-03-26 15:07:04,544 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 600 predicate places. [2021-03-26 15:07:04,544 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:04,544 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 653 places, 718 transitions, 17775 flow [2021-03-26 15:07:04,544 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 653 places, 718 transitions, 17775 flow [2021-03-26 15:07:04,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 653 places, 718 transitions, 17775 flow [2021-03-26 15:07:04,900 INFO L129 PetriNetUnfolder]: 660/1683 cut-off events. [2021-03-26 15:07:04,901 INFO L130 PetriNetUnfolder]: For 123106/123205 co-relation queries the response was YES. [2021-03-26 15:07:04,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17668 conditions, 1683 events. 660/1683 cut-off events. For 123106/123205 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 13262 event pairs, 14 based on Foata normal form. 16/1440 useless extension candidates. Maximal degree in co-relation 17373. Up to 296 conditions per place. [2021-03-26 15:07:04,957 INFO L142 LiptonReduction]: Number of co-enabled transitions 3320 [2021-03-26 15:07:05,014 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:05,014 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:05,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-26 15:07:05,015 INFO L480 AbstractCegarLoop]: Abstraction has has 653 places, 718 transitions, 17775 flow [2021-03-26 15:07:05,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:05,015 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:05,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:05,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254 [2021-03-26 15:07:05,015 INFO L428 AbstractCegarLoop]: === Iteration 256 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:05,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:05,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1833873163, now seen corresponding path program 5 times [2021-03-26 15:07:05,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:05,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672555180] [2021-03-26 15:07:05,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:05,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:05,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:05,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:05,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:05,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:05,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:05,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:05,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:05,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:05,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:05,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:05,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:05,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:05,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:05,089 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:07:05,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:07:05,102 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:07:05,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:05,116 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:05,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:05,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672555180] [2021-03-26 15:07:05,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:05,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:07:05,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247350448] [2021-03-26 15:07:05,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:07:05,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:05,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:07:05,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:07:05,120 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 15:07:05,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 653 places, 718 transitions, 17775 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:05,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:05,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 15:07:05,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:06,145 INFO L129 PetriNetUnfolder]: 719/1798 cut-off events. [2021-03-26 15:07:06,145 INFO L130 PetriNetUnfolder]: For 125708/125723 co-relation queries the response was YES. [2021-03-26 15:07:06,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19768 conditions, 1798 events. 719/1798 cut-off events. For 125708/125723 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 13860 event pairs, 13 based on Foata normal form. 16/1545 useless extension candidates. Maximal degree in co-relation 19469. Up to 942 conditions per place. [2021-03-26 15:07:06,186 INFO L132 encePairwiseOnDemand]: 138/157 looper letters, 614 selfloop transitions, 87 changer transitions 9/728 dead transitions. [2021-03-26 15:07:06,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 728 transitions, 19368 flow [2021-03-26 15:07:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:07:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:07:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 773 transitions. [2021-03-26 15:07:06,187 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35168334849863514 [2021-03-26 15:07:06,188 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 773 transitions. [2021-03-26 15:07:06,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 773 transitions. [2021-03-26 15:07:06,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:06,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 773 transitions. [2021-03-26 15:07:06,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.214285714285715) internal successors, (773), 14 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:06,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 157.0) internal successors, (2355), 15 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:06,190 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 157.0) internal successors, (2355), 15 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:06,190 INFO L185 Difference]: Start difference. First operand has 653 places, 718 transitions, 17775 flow. Second operand 14 states and 773 transitions. [2021-03-26 15:07:06,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 728 transitions, 19368 flow [2021-03-26 15:07:07,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 728 transitions, 18921 flow, removed 197 selfloop flow, removed 4 redundant places. [2021-03-26 15:07:07,039 INFO L241 Difference]: Finished difference. Result has 664 places, 710 transitions, 17303 flow [2021-03-26 15:07:07,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=17330, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=631, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=17303, PETRI_PLACES=664, PETRI_TRANSITIONS=710} [2021-03-26 15:07:07,040 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 611 predicate places. [2021-03-26 15:07:07,040 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:07,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 664 places, 710 transitions, 17303 flow [2021-03-26 15:07:07,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 664 places, 710 transitions, 17303 flow [2021-03-26 15:07:07,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 710 transitions, 17303 flow [2021-03-26 15:07:07,412 INFO L129 PetriNetUnfolder]: 650/1664 cut-off events. [2021-03-26 15:07:07,412 INFO L130 PetriNetUnfolder]: For 119581/119672 co-relation queries the response was YES. [2021-03-26 15:07:07,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17675 conditions, 1664 events. 650/1664 cut-off events. For 119581/119672 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 13058 event pairs, 12 based on Foata normal form. 12/1425 useless extension candidates. Maximal degree in co-relation 17377. Up to 292 conditions per place. [2021-03-26 15:07:07,471 INFO L142 LiptonReduction]: Number of co-enabled transitions 3298 [2021-03-26 15:07:07,526 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:07,526 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:07,526 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 486 [2021-03-26 15:07:07,526 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 710 transitions, 17303 flow [2021-03-26 15:07:07,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:07,526 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:07,526 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:07,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable255 [2021-03-26 15:07:07,527 INFO L428 AbstractCegarLoop]: === Iteration 257 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:07,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:07,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1096492853, now seen corresponding path program 6 times [2021-03-26 15:07:07,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:07,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502876125] [2021-03-26 15:07:07,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:07,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:07,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:07,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:07,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:07,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:07,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:07,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:07,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:07,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:07,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:07,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:07,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:07,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:07,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:07,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:07,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:07,608 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:07,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:07,615 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:07,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:07,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502876125] [2021-03-26 15:07:07,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:07,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:07:07,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263002802] [2021-03-26 15:07:07,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:07:07,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:07,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:07:07,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:07:07,619 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 15:07:07,620 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 710 transitions, 17303 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:07,620 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:07,620 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 15:07:07,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:08,546 INFO L129 PetriNetUnfolder]: 727/1807 cut-off events. [2021-03-26 15:07:08,546 INFO L130 PetriNetUnfolder]: For 131525/131531 co-relation queries the response was YES. [2021-03-26 15:07:08,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20165 conditions, 1807 events. 727/1807 cut-off events. For 131525/131531 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 13949 event pairs, 13 based on Foata normal form. 8/1547 useless extension candidates. Maximal degree in co-relation 19863. Up to 958 conditions per place. [2021-03-26 15:07:08,587 INFO L132 encePairwiseOnDemand]: 138/157 looper letters, 629 selfloop transitions, 89 changer transitions 0/736 dead transitions. [2021-03-26 15:07:08,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 736 transitions, 19898 flow [2021-03-26 15:07:08,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:07:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:07:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 615 transitions. [2021-03-26 15:07:08,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35610885929357267 [2021-03-26 15:07:08,588 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 615 transitions. [2021-03-26 15:07:08,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 615 transitions. [2021-03-26 15:07:08,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:08,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 615 transitions. [2021-03-26 15:07:08,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.90909090909091) internal successors, (615), 11 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:08,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 157.0) internal successors, (1884), 12 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:08,590 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 157.0) internal successors, (1884), 12 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:08,590 INFO L185 Difference]: Start difference. First operand has 664 places, 710 transitions, 17303 flow. Second operand 11 states and 615 transitions. [2021-03-26 15:07:08,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 736 transitions, 19898 flow [2021-03-26 15:07:09,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 736 transitions, 19699 flow, removed 2 selfloop flow, removed 16 redundant places. [2021-03-26 15:07:09,538 INFO L241 Difference]: Finished difference. Result has 662 places, 727 transitions, 18296 flow [2021-03-26 15:07:09,538 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=17104, PETRI_DIFFERENCE_MINUEND_PLACES=648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=18296, PETRI_PLACES=662, PETRI_TRANSITIONS=727} [2021-03-26 15:07:09,539 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 609 predicate places. [2021-03-26 15:07:09,539 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:09,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 662 places, 727 transitions, 18296 flow [2021-03-26 15:07:09,539 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 662 places, 727 transitions, 18296 flow [2021-03-26 15:07:09,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 662 places, 727 transitions, 18296 flow [2021-03-26 15:07:09,902 INFO L129 PetriNetUnfolder]: 669/1704 cut-off events. [2021-03-26 15:07:09,902 INFO L130 PetriNetUnfolder]: For 136021/136112 co-relation queries the response was YES. [2021-03-26 15:07:09,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18486 conditions, 1704 events. 669/1704 cut-off events. For 136021/136112 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 13456 event pairs, 14 based on Foata normal form. 12/1458 useless extension candidates. Maximal degree in co-relation 18187. Up to 307 conditions per place. [2021-03-26 15:07:09,959 INFO L142 LiptonReduction]: Number of co-enabled transitions 3358 [2021-03-26 15:07:10,018 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:10,018 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:10,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-03-26 15:07:10,018 INFO L480 AbstractCegarLoop]: Abstraction has has 662 places, 727 transitions, 18296 flow [2021-03-26 15:07:10,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:10,018 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:10,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:10,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable256 [2021-03-26 15:07:10,019 INFO L428 AbstractCegarLoop]: === Iteration 258 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:10,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:10,019 INFO L82 PathProgramCache]: Analyzing trace with hash -2401265, now seen corresponding path program 7 times [2021-03-26 15:07:10,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:10,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408764925] [2021-03-26 15:07:10,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:10,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:10,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:10,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:10,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:10,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:10,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:10,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:10,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:10,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:10,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:10,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:10,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:10,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:10,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:10,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:10,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:10,108 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:07:10,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:10,122 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:10,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:10,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408764925] [2021-03-26 15:07:10,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:10,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:07:10,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778076808] [2021-03-26 15:07:10,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:07:10,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:10,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:07:10,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:07:10,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 15:07:10,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 727 transitions, 18296 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:10,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:10,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 15:07:10,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:11,107 INFO L129 PetriNetUnfolder]: 753/1875 cut-off events. [2021-03-26 15:07:11,107 INFO L130 PetriNetUnfolder]: For 144923/144927 co-relation queries the response was YES. [2021-03-26 15:07:11,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21439 conditions, 1875 events. 753/1875 cut-off events. For 144923/144927 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 14591 event pairs, 17 based on Foata normal form. 6/1597 useless extension candidates. Maximal degree in co-relation 21136. Up to 915 conditions per place. [2021-03-26 15:07:11,149 INFO L132 encePairwiseOnDemand]: 138/157 looper letters, 564 selfloop transitions, 153 changer transitions 21/756 dead transitions. [2021-03-26 15:07:11,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 756 transitions, 21556 flow [2021-03-26 15:07:11,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:07:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:07:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 673 transitions. [2021-03-26 15:07:11,151 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.35721868365180465 [2021-03-26 15:07:11,151 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 673 transitions. [2021-03-26 15:07:11,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 673 transitions. [2021-03-26 15:07:11,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:11,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 673 transitions. [2021-03-26 15:07:11,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 56.083333333333336) internal successors, (673), 12 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:11,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 157.0) internal successors, (2041), 13 states have internal predecessors, (2041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:11,152 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 157.0) internal successors, (2041), 13 states have internal predecessors, (2041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:11,152 INFO L185 Difference]: Start difference. First operand has 662 places, 727 transitions, 18296 flow. Second operand 12 states and 673 transitions. [2021-03-26 15:07:11,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 756 transitions, 21556 flow [2021-03-26 15:07:12,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 756 transitions, 20930 flow, removed 302 selfloop flow, removed 3 redundant places. [2021-03-26 15:07:12,230 INFO L241 Difference]: Finished difference. Result has 674 places, 724 transitions, 18911 flow [2021-03-26 15:07:12,231 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=17670, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=727, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=18911, PETRI_PLACES=674, PETRI_TRANSITIONS=724} [2021-03-26 15:07:12,231 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 621 predicate places. [2021-03-26 15:07:12,231 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:12,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 674 places, 724 transitions, 18911 flow [2021-03-26 15:07:12,231 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 674 places, 724 transitions, 18911 flow [2021-03-26 15:07:12,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 667 places, 724 transitions, 18911 flow [2021-03-26 15:07:12,593 INFO L129 PetriNetUnfolder]: 663/1678 cut-off events. [2021-03-26 15:07:12,594 INFO L130 PetriNetUnfolder]: For 143491/143583 co-relation queries the response was YES. [2021-03-26 15:07:12,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19077 conditions, 1678 events. 663/1678 cut-off events. For 143491/143583 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 13180 event pairs, 14 based on Foata normal form. 13/1444 useless extension candidates. Maximal degree in co-relation 18794. Up to 309 conditions per place. [2021-03-26 15:07:12,650 INFO L142 LiptonReduction]: Number of co-enabled transitions 3330 [2021-03-26 15:07:12,707 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:12,708 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:12,708 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 477 [2021-03-26 15:07:12,708 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 724 transitions, 18911 flow [2021-03-26 15:07:12,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:12,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:12,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:12,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable257 [2021-03-26 15:07:12,708 INFO L428 AbstractCegarLoop]: === Iteration 259 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:12,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:12,708 INFO L82 PathProgramCache]: Analyzing trace with hash -352210745, now seen corresponding path program 1 times [2021-03-26 15:07:12,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:12,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744361763] [2021-03-26 15:07:12,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:12,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:12,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:12,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:12,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:12,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:12,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:12,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:12,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:12,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:12,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:12,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:12,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:12,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:12,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:12,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:12,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:12,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:12,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:12,781 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:12,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:12,785 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:12,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:12,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744361763] [2021-03-26 15:07:12,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:12,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:07:12,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185880397] [2021-03-26 15:07:12,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:07:12,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:12,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:07:12,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:07:12,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 157 [2021-03-26 15:07:12,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 724 transitions, 18911 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:12,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:12,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 157 [2021-03-26 15:07:12,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:13,810 INFO L129 PetriNetUnfolder]: 734/1813 cut-off events. [2021-03-26 15:07:13,810 INFO L130 PetriNetUnfolder]: For 149989/149995 co-relation queries the response was YES. [2021-03-26 15:07:13,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21222 conditions, 1813 events. 734/1813 cut-off events. For 149989/149995 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 13931 event pairs, 14 based on Foata normal form. 7/1552 useless extension candidates. Maximal degree in co-relation 20937. Up to 932 conditions per place. [2021-03-26 15:07:13,851 INFO L132 encePairwiseOnDemand]: 136/157 looper letters, 620 selfloop transitions, 105 changer transitions 0/743 dead transitions. [2021-03-26 15:07:13,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 743 transitions, 20866 flow [2021-03-26 15:07:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:07:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:07:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 573 transitions. [2021-03-26 15:07:13,852 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.364968152866242 [2021-03-26 15:07:13,852 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 573 transitions. [2021-03-26 15:07:13,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 573 transitions. [2021-03-26 15:07:13,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:13,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 573 transitions. [2021-03-26 15:07:13,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 57.3) internal successors, (573), 10 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:13,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 157.0) internal successors, (1727), 11 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:13,854 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 157.0) internal successors, (1727), 11 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:13,854 INFO L185 Difference]: Start difference. First operand has 667 places, 724 transitions, 18911 flow. Second operand 10 states and 573 transitions. [2021-03-26 15:07:13,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 743 transitions, 20866 flow [2021-03-26 15:07:14,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 663 places, 743 transitions, 19934 flow, removed 374 selfloop flow, removed 13 redundant places. [2021-03-26 15:07:14,875 INFO L241 Difference]: Finished difference. Result has 666 places, 730 transitions, 18612 flow [2021-03-26 15:07:14,875 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=17985, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=724, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=18612, PETRI_PLACES=666, PETRI_TRANSITIONS=730} [2021-03-26 15:07:14,876 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 613 predicate places. [2021-03-26 15:07:14,876 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:14,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 730 transitions, 18612 flow [2021-03-26 15:07:14,876 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 730 transitions, 18612 flow [2021-03-26 15:07:14,882 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 666 places, 730 transitions, 18612 flow [2021-03-26 15:07:15,257 INFO L129 PetriNetUnfolder]: 674/1711 cut-off events. [2021-03-26 15:07:15,257 INFO L130 PetriNetUnfolder]: For 134383/134478 co-relation queries the response was YES. [2021-03-26 15:07:15,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18753 conditions, 1711 events. 674/1711 cut-off events. For 134383/134478 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 13475 event pairs, 10 based on Foata normal form. 13/1467 useless extension candidates. Maximal degree in co-relation 18451. Up to 305 conditions per place. [2021-03-26 15:07:15,317 INFO L142 LiptonReduction]: Number of co-enabled transitions 3394 [2021-03-26 15:07:15,478 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:07:15,478 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:07:15,478 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 602 [2021-03-26 15:07:15,478 INFO L480 AbstractCegarLoop]: Abstraction has has 666 places, 730 transitions, 18703 flow [2021-03-26 15:07:15,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:15,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:15,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:15,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable258 [2021-03-26 15:07:15,479 INFO L428 AbstractCegarLoop]: === Iteration 260 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:15,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:15,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1582253925, now seen corresponding path program 4 times [2021-03-26 15:07:15,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:15,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645637857] [2021-03-26 15:07:15,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:15,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:15,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:15,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:15,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:15,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:15,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:15,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:15,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:15,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:15,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:15,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:15,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:15,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:15,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:15,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:15,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:15,578 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:07:15,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:15,594 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:15,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:15,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645637857] [2021-03-26 15:07:15,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:15,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:07:15,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414859] [2021-03-26 15:07:15,597 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:07:15,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:15,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:07:15,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:07:15,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 158 [2021-03-26 15:07:15,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 730 transitions, 18703 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:15,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:15,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 158 [2021-03-26 15:07:15,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:16,871 INFO L129 PetriNetUnfolder]: 740/1837 cut-off events. [2021-03-26 15:07:16,871 INFO L130 PetriNetUnfolder]: For 142368/142381 co-relation queries the response was YES. [2021-03-26 15:07:16,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21032 conditions, 1837 events. 740/1837 cut-off events. For 142368/142381 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 14195 event pairs, 17 based on Foata normal form. 14/1576 useless extension candidates. Maximal degree in co-relation 20726. Up to 974 conditions per place. [2021-03-26 15:07:16,907 INFO L132 encePairwiseOnDemand]: 143/158 looper letters, 651 selfloop transitions, 76 changer transitions 0/745 dead transitions. [2021-03-26 15:07:16,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 679 places, 745 transitions, 20593 flow [2021-03-26 15:07:16,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:07:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:07:16,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 769 transitions. [2021-03-26 15:07:16,908 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3476491862567812 [2021-03-26 15:07:16,908 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 769 transitions. [2021-03-26 15:07:16,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 769 transitions. [2021-03-26 15:07:16,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:16,909 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 769 transitions. [2021-03-26 15:07:16,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.92857142857143) internal successors, (769), 14 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:16,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 158.0) internal successors, (2370), 15 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:16,910 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 158.0) internal successors, (2370), 15 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:16,910 INFO L185 Difference]: Start difference. First operand has 666 places, 730 transitions, 18703 flow. Second operand 14 states and 769 transitions. [2021-03-26 15:07:16,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 679 places, 745 transitions, 20593 flow [2021-03-26 15:07:17,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 745 transitions, 20100 flow, removed 192 selfloop flow, removed 5 redundant places. [2021-03-26 15:07:17,994 INFO L241 Difference]: Finished difference. Result has 677 places, 732 transitions, 18608 flow [2021-03-26 15:07:17,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=18210, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=654, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=18608, PETRI_PLACES=677, PETRI_TRANSITIONS=732} [2021-03-26 15:07:17,994 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 624 predicate places. [2021-03-26 15:07:17,994 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:17,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 677 places, 732 transitions, 18608 flow [2021-03-26 15:07:17,994 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 677 places, 732 transitions, 18608 flow [2021-03-26 15:07:18,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 677 places, 732 transitions, 18608 flow [2021-03-26 15:07:18,404 INFO L129 PetriNetUnfolder]: 681/1742 cut-off events. [2021-03-26 15:07:18,404 INFO L130 PetriNetUnfolder]: For 136501/136595 co-relation queries the response was YES. [2021-03-26 15:07:18,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18967 conditions, 1742 events. 681/1742 cut-off events. For 136501/136595 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 13790 event pairs, 10 based on Foata normal form. 12/1489 useless extension candidates. Maximal degree in co-relation 18663. Up to 305 conditions per place. [2021-03-26 15:07:18,469 INFO L142 LiptonReduction]: Number of co-enabled transitions 3420 [2021-03-26 15:07:18,625 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:07:18,626 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:07:18,626 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 632 [2021-03-26 15:07:18,626 INFO L480 AbstractCegarLoop]: Abstraction has has 677 places, 732 transitions, 18627 flow [2021-03-26 15:07:18,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:18,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:18,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:18,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable259 [2021-03-26 15:07:18,626 INFO L428 AbstractCegarLoop]: === Iteration 261 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:18,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:18,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1679602339, now seen corresponding path program 7 times [2021-03-26 15:07:18,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:18,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563037797] [2021-03-26 15:07:18,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:18,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:18,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:18,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:18,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:18,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:18,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:18,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:18,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:18,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:18,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:18,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:18,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:18,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:18,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:18,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:18,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:18,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:18,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:18,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:18,743 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:18,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:18,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563037797] [2021-03-26 15:07:18,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:18,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:07:18,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185521013] [2021-03-26 15:07:18,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:07:18,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:18,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:07:18,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:07:18,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 159 [2021-03-26 15:07:18,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 677 places, 732 transitions, 18627 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:18,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:18,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 159 [2021-03-26 15:07:18,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:19,926 INFO L129 PetriNetUnfolder]: 746/1852 cut-off events. [2021-03-26 15:07:19,927 INFO L130 PetriNetUnfolder]: For 136160/136173 co-relation queries the response was YES. [2021-03-26 15:07:19,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20844 conditions, 1852 events. 746/1852 cut-off events. For 136160/136173 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14393 event pairs, 22 based on Foata normal form. 14/1585 useless extension candidates. Maximal degree in co-relation 20536. Up to 984 conditions per place. [2021-03-26 15:07:19,975 INFO L132 encePairwiseOnDemand]: 138/159 looper letters, 630 selfloop transitions, 59 changer transitions 33/740 dead transitions. [2021-03-26 15:07:19,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 740 transitions, 20128 flow [2021-03-26 15:07:19,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:07:19,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:07:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 811 transitions. [2021-03-26 15:07:19,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.340041928721174 [2021-03-26 15:07:19,976 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 811 transitions. [2021-03-26 15:07:19,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 811 transitions. [2021-03-26 15:07:19,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:19,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 811 transitions. [2021-03-26 15:07:19,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.06666666666667) internal successors, (811), 15 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:19,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:19,978 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 159.0) internal successors, (2544), 16 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:19,978 INFO L185 Difference]: Start difference. First operand has 677 places, 732 transitions, 18627 flow. Second operand 15 states and 811 transitions. [2021-03-26 15:07:19,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 740 transitions, 20128 flow [2021-03-26 15:07:21,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 681 places, 740 transitions, 19892 flow, removed 64 selfloop flow, removed 10 redundant places. [2021-03-26 15:07:21,078 INFO L241 Difference]: Finished difference. Result has 682 places, 700 transitions, 18021 flow [2021-03-26 15:07:21,078 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=18391, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=673, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=18021, PETRI_PLACES=682, PETRI_TRANSITIONS=700} [2021-03-26 15:07:21,078 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 629 predicate places. [2021-03-26 15:07:21,078 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:21,078 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 682 places, 700 transitions, 18021 flow [2021-03-26 15:07:21,078 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 682 places, 700 transitions, 18021 flow [2021-03-26 15:07:21,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 659 places, 700 transitions, 18021 flow [2021-03-26 15:07:21,455 INFO L129 PetriNetUnfolder]: 660/1653 cut-off events. [2021-03-26 15:07:21,455 INFO L130 PetriNetUnfolder]: For 134963/135056 co-relation queries the response was YES. [2021-03-26 15:07:21,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18569 conditions, 1653 events. 660/1653 cut-off events. For 134963/135056 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 12736 event pairs, 10 based on Foata normal form. 11/1414 useless extension candidates. Maximal degree in co-relation 18290. Up to 302 conditions per place. [2021-03-26 15:07:21,513 INFO L142 LiptonReduction]: Number of co-enabled transitions 3088 [2021-03-26 15:07:21,665 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:07:21,665 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:07:21,665 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 587 [2021-03-26 15:07:21,665 INFO L480 AbstractCegarLoop]: Abstraction has has 659 places, 700 transitions, 18033 flow [2021-03-26 15:07:21,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:21,666 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:21,666 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:21,666 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable260 [2021-03-26 15:07:21,666 INFO L428 AbstractCegarLoop]: === Iteration 262 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:21,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:21,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1212367627, now seen corresponding path program 2 times [2021-03-26 15:07:21,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:21,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799181401] [2021-03-26 15:07:21,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:21,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:21,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:21,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:21,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:21,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:21,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:21,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:21,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:21,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:21,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:21,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:21,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:21,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:21,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:21,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:21,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:21,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:21,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:21,766 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:21,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:21,781 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:07:21,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:21,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799181401] [2021-03-26 15:07:21,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:21,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:07:21,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887375704] [2021-03-26 15:07:21,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:07:21,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:21,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:07:21,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:07:21,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 15:07:21,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 700 transitions, 18033 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:21,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:21,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 15:07:21,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:22,903 INFO L129 PetriNetUnfolder]: 731/1797 cut-off events. [2021-03-26 15:07:22,903 INFO L130 PetriNetUnfolder]: For 147195/147201 co-relation queries the response was YES. [2021-03-26 15:07:22,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21119 conditions, 1797 events. 731/1797 cut-off events. For 147195/147201 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 13712 event pairs, 14 based on Foata normal form. 7/1534 useless extension candidates. Maximal degree in co-relation 20838. Up to 889 conditions per place. [2021-03-26 15:07:22,944 INFO L132 encePairwiseOnDemand]: 137/160 looper letters, 586 selfloop transitions, 125 changer transitions 0/729 dead transitions. [2021-03-26 15:07:22,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 729 transitions, 20803 flow [2021-03-26 15:07:22,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:07:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:07:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 776 transitions. [2021-03-26 15:07:22,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3464285714285714 [2021-03-26 15:07:22,946 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 776 transitions. [2021-03-26 15:07:22,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 776 transitions. [2021-03-26 15:07:22,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:22,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 776 transitions. [2021-03-26 15:07:22,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.42857142857143) internal successors, (776), 14 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:22,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:22,947 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:22,947 INFO L185 Difference]: Start difference. First operand has 659 places, 700 transitions, 18033 flow. Second operand 14 states and 776 transitions. [2021-03-26 15:07:22,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 672 places, 729 transitions, 20803 flow [2021-03-26 15:07:23,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 729 transitions, 20407 flow, removed 37 selfloop flow, removed 29 redundant places. [2021-03-26 15:07:23,912 INFO L241 Difference]: Finished difference. Result has 647 places, 715 transitions, 19171 flow [2021-03-26 15:07:23,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=17659, PETRI_DIFFERENCE_MINUEND_PLACES=630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=19171, PETRI_PLACES=647, PETRI_TRANSITIONS=715} [2021-03-26 15:07:23,912 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 594 predicate places. [2021-03-26 15:07:23,912 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:23,912 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 647 places, 715 transitions, 19171 flow [2021-03-26 15:07:23,913 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 647 places, 715 transitions, 19171 flow [2021-03-26 15:07:23,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 647 places, 715 transitions, 19171 flow [2021-03-26 15:07:24,317 INFO L129 PetriNetUnfolder]: 667/1687 cut-off events. [2021-03-26 15:07:24,317 INFO L130 PetriNetUnfolder]: For 138922/138977 co-relation queries the response was YES. [2021-03-26 15:07:24,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19049 conditions, 1687 events. 667/1687 cut-off events. For 138922/138977 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 13134 event pairs, 20 based on Foata normal form. 16/1446 useless extension candidates. Maximal degree in co-relation 18758. Up to 311 conditions per place. [2021-03-26 15:07:24,372 INFO L142 LiptonReduction]: Number of co-enabled transitions 3178 [2021-03-26 15:07:24,423 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:24,423 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:24,423 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 511 [2021-03-26 15:07:24,423 INFO L480 AbstractCegarLoop]: Abstraction has has 647 places, 715 transitions, 19171 flow [2021-03-26 15:07:24,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:24,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:24,423 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, 1, 1, 1] [2021-03-26 15:07:24,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261 [2021-03-26 15:07:24,423 INFO L428 AbstractCegarLoop]: === Iteration 263 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:24,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:24,424 INFO L82 PathProgramCache]: Analyzing trace with hash 930424225, now seen corresponding path program 1 times [2021-03-26 15:07:24,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:24,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18535790] [2021-03-26 15:07:24,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:24,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:24,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:24,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:24,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:24,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:24,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:24,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:24,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:24,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:24,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:24,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:24,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:24,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:24,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:24,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:24,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:24,484 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:24,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:24,488 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:24,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:24,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:24,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18535790] [2021-03-26 15:07:24,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:24,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:07:24,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854511455] [2021-03-26 15:07:24,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:07:24,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:24,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:07:24,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:07:24,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 15:07:24,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 715 transitions, 19171 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:24,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:24,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 15:07:24,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:25,362 INFO L129 PetriNetUnfolder]: 723/1773 cut-off events. [2021-03-26 15:07:25,362 INFO L130 PetriNetUnfolder]: For 145904/145919 co-relation queries the response was YES. [2021-03-26 15:07:25,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21013 conditions, 1773 events. 723/1773 cut-off events. For 145904/145919 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 13422 event pairs, 14 based on Foata normal form. 16/1527 useless extension candidates. Maximal degree in co-relation 20718. Up to 967 conditions per place. [2021-03-26 15:07:25,408 INFO L132 encePairwiseOnDemand]: 141/160 looper letters, 634 selfloop transitions, 72 changer transitions 0/724 dead transitions. [2021-03-26 15:07:25,409 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 724 transitions, 20645 flow [2021-03-26 15:07:25,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:07:25,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:07:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-26 15:07:25,410 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.36484375 [2021-03-26 15:07:25,410 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-26 15:07:25,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-26 15:07:25,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:25,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-26 15:07:25,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:25,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 160.0) internal successors, (1440), 9 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:25,411 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 160.0) internal successors, (1440), 9 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:25,411 INFO L185 Difference]: Start difference. First operand has 647 places, 715 transitions, 19171 flow. Second operand 8 states and 467 transitions. [2021-03-26 15:07:25,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 724 transitions, 20645 flow [2021-03-26 15:07:26,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 650 places, 724 transitions, 19553 flow, removed 501 selfloop flow, removed 4 redundant places. [2021-03-26 15:07:26,416 INFO L241 Difference]: Finished difference. Result has 651 places, 715 transitions, 18241 flow [2021-03-26 15:07:26,416 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=18079, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=643, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18241, PETRI_PLACES=651, PETRI_TRANSITIONS=715} [2021-03-26 15:07:26,416 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 598 predicate places. [2021-03-26 15:07:26,417 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:26,417 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 715 transitions, 18241 flow [2021-03-26 15:07:26,417 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 715 transitions, 18241 flow [2021-03-26 15:07:26,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 651 places, 715 transitions, 18241 flow [2021-03-26 15:07:26,815 INFO L129 PetriNetUnfolder]: 671/1694 cut-off events. [2021-03-26 15:07:26,815 INFO L130 PetriNetUnfolder]: For 128869/128921 co-relation queries the response was YES. [2021-03-26 15:07:26,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18476 conditions, 1694 events. 671/1694 cut-off events. For 128869/128921 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 13228 event pairs, 10 based on Foata normal form. 17/1452 useless extension candidates. Maximal degree in co-relation 18184. Up to 302 conditions per place. [2021-03-26 15:07:26,877 INFO L142 LiptonReduction]: Number of co-enabled transitions 3178 [2021-03-26 15:07:26,932 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:26,933 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:26,933 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 516 [2021-03-26 15:07:26,933 INFO L480 AbstractCegarLoop]: Abstraction has has 651 places, 715 transitions, 18241 flow [2021-03-26 15:07:26,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:26,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:26,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:26,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable262 [2021-03-26 15:07:26,933 INFO L428 AbstractCegarLoop]: === Iteration 264 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:26,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:26,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1807966653, now seen corresponding path program 2 times [2021-03-26 15:07:26,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:26,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149898893] [2021-03-26 15:07:26,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:26,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:26,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:26,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:26,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:26,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:26,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:26,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:26,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:26,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:26,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:26,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:26,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:27,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:27,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:27,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:27,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:27,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:27,028 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:27,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:27,044 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:07:27,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:27,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149898893] [2021-03-26 15:07:27,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:27,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:07:27,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898361318] [2021-03-26 15:07:27,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:07:27,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:27,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:07:27,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:07:27,047 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 15:07:27,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 715 transitions, 18241 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:27,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:27,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 15:07:27,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:28,111 INFO L129 PetriNetUnfolder]: 750/1832 cut-off events. [2021-03-26 15:07:28,111 INFO L130 PetriNetUnfolder]: For 139171/139173 co-relation queries the response was YES. [2021-03-26 15:07:28,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21121 conditions, 1832 events. 750/1832 cut-off events. For 139171/139173 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 14001 event pairs, 17 based on Foata normal form. 3/1562 useless extension candidates. Maximal degree in co-relation 20825. Up to 990 conditions per place. [2021-03-26 15:07:28,157 INFO L132 encePairwiseOnDemand]: 143/160 looper letters, 660 selfloop transitions, 73 changer transitions 0/751 dead transitions. [2021-03-26 15:07:28,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 663 places, 751 transitions, 20968 flow [2021-03-26 15:07:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:07:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:07:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 717 transitions. [2021-03-26 15:07:28,158 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34471153846153846 [2021-03-26 15:07:28,159 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 717 transitions. [2021-03-26 15:07:28,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 717 transitions. [2021-03-26 15:07:28,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:28,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 717 transitions. [2021-03-26 15:07:28,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.15384615384615) internal successors, (717), 13 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:28,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 160.0) internal successors, (2240), 14 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:28,160 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 160.0) internal successors, (2240), 14 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:28,160 INFO L185 Difference]: Start difference. First operand has 651 places, 715 transitions, 18241 flow. Second operand 13 states and 717 transitions. [2021-03-26 15:07:28,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 663 places, 751 transitions, 20968 flow [2021-03-26 15:07:29,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 751 transitions, 20868 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-26 15:07:29,135 INFO L241 Difference]: Finished difference. Result has 663 places, 739 transitions, 19525 flow [2021-03-26 15:07:29,135 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=18141, PETRI_DIFFERENCE_MINUEND_PLACES=646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=19525, PETRI_PLACES=663, PETRI_TRANSITIONS=739} [2021-03-26 15:07:29,135 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 610 predicate places. [2021-03-26 15:07:29,135 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:29,135 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 739 transitions, 19525 flow [2021-03-26 15:07:29,135 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 739 transitions, 19525 flow [2021-03-26 15:07:29,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 739 transitions, 19525 flow [2021-03-26 15:07:29,509 INFO L129 PetriNetUnfolder]: 687/1726 cut-off events. [2021-03-26 15:07:29,510 INFO L130 PetriNetUnfolder]: For 140645/140696 co-relation queries the response was YES. [2021-03-26 15:07:29,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19339 conditions, 1726 events. 687/1726 cut-off events. For 140645/140696 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 13518 event pairs, 12 based on Foata normal form. 16/1483 useless extension candidates. Maximal degree in co-relation 19042. Up to 312 conditions per place. [2021-03-26 15:07:29,570 INFO L142 LiptonReduction]: Number of co-enabled transitions 3270 [2021-03-26 15:07:29,627 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:29,627 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:29,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 492 [2021-03-26 15:07:29,627 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 739 transitions, 19525 flow [2021-03-26 15:07:29,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:29,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:29,628 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:29,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable263 [2021-03-26 15:07:29,628 INFO L428 AbstractCegarLoop]: === Iteration 265 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:29,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:29,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1979208601, now seen corresponding path program 8 times [2021-03-26 15:07:29,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:29,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297329460] [2021-03-26 15:07:29,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:29,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:29,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:29,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:29,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:29,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:29,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:29,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:29,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:29,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:29,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:29,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:29,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:29,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:29,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:29,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:29,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:29,736 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:29,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:29,755 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:29,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:29,775 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:07:29,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:29,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297329460] [2021-03-26 15:07:29,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:29,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:07:29,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118983713] [2021-03-26 15:07:29,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:07:29,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:29,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:07:29,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:07:29,780 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 160 [2021-03-26 15:07:29,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 739 transitions, 19525 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:29,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:29,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 160 [2021-03-26 15:07:29,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:30,963 INFO L129 PetriNetUnfolder]: 790/1924 cut-off events. [2021-03-26 15:07:30,963 INFO L130 PetriNetUnfolder]: For 174029/174044 co-relation queries the response was YES. [2021-03-26 15:07:30,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23446 conditions, 1924 events. 790/1924 cut-off events. For 174029/174044 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 14786 event pairs, 14 based on Foata normal form. 16/1656 useless extension candidates. Maximal degree in co-relation 23145. Up to 986 conditions per place. [2021-03-26 15:07:31,003 INFO L132 encePairwiseOnDemand]: 138/160 looper letters, 650 selfloop transitions, 113 changer transitions 8/789 dead transitions. [2021-03-26 15:07:31,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 789 transitions, 24143 flow [2021-03-26 15:07:31,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:07:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:07:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 776 transitions. [2021-03-26 15:07:31,005 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3464285714285714 [2021-03-26 15:07:31,005 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 776 transitions. [2021-03-26 15:07:31,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 776 transitions. [2021-03-26 15:07:31,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:31,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 776 transitions. [2021-03-26 15:07:31,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.42857142857143) internal successors, (776), 14 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:31,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:31,007 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 160.0) internal successors, (2400), 15 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:31,007 INFO L185 Difference]: Start difference. First operand has 663 places, 739 transitions, 19525 flow. Second operand 14 states and 776 transitions. [2021-03-26 15:07:31,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 789 transitions, 24143 flow [2021-03-26 15:07:32,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 671 places, 789 transitions, 23489 flow, removed 310 selfloop flow, removed 5 redundant places. [2021-03-26 15:07:32,130 INFO L241 Difference]: Finished difference. Result has 676 places, 769 transitions, 21723 flow [2021-03-26 15:07:32,130 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=18885, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=739, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=651, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=21723, PETRI_PLACES=676, PETRI_TRANSITIONS=769} [2021-03-26 15:07:32,130 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 623 predicate places. [2021-03-26 15:07:32,130 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:32,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 676 places, 769 transitions, 21723 flow [2021-03-26 15:07:32,130 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 676 places, 769 transitions, 21723 flow [2021-03-26 15:07:32,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 769 transitions, 21723 flow [2021-03-26 15:07:32,542 INFO L129 PetriNetUnfolder]: 730/1808 cut-off events. [2021-03-26 15:07:32,542 INFO L130 PetriNetUnfolder]: For 167085/167102 co-relation queries the response was YES. [2021-03-26 15:07:32,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21718 conditions, 1808 events. 730/1808 cut-off events. For 167085/167102 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 14092 event pairs, 9 based on Foata normal form. 5/1545 useless extension candidates. Maximal degree in co-relation 21415. Up to 350 conditions per place. [2021-03-26 15:07:32,607 INFO L142 LiptonReduction]: Number of co-enabled transitions 3368 [2021-03-26 15:07:32,781 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:07:32,781 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:07:32,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 651 [2021-03-26 15:07:32,781 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 769 transitions, 21810 flow [2021-03-26 15:07:32,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:32,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:32,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:32,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264 [2021-03-26 15:07:32,782 INFO L428 AbstractCegarLoop]: === Iteration 266 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:32,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:32,782 INFO L82 PathProgramCache]: Analyzing trace with hash 435714749, now seen corresponding path program 3 times [2021-03-26 15:07:32,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:32,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370546328] [2021-03-26 15:07:32,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:32,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:32,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:32,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:32,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:32,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:32,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:32,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:32,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:32,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:32,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:32,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:32,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:32,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:32,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:32,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:32,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:32,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:32,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:32,879 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:32,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:32,894 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:07:32,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:32,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370546328] [2021-03-26 15:07:32,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:32,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:07:32,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253982698] [2021-03-26 15:07:32,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:07:32,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:32,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:07:32,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:07:32,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 15:07:32,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 769 transitions, 21810 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:32,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:32,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 15:07:32,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:34,250 INFO L129 PetriNetUnfolder]: 805/1963 cut-off events. [2021-03-26 15:07:34,250 INFO L130 PetriNetUnfolder]: For 178952/178954 co-relation queries the response was YES. [2021-03-26 15:07:34,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24021 conditions, 1963 events. 805/1963 cut-off events. For 178952/178954 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 15253 event pairs, 24 based on Foata normal form. 3/1667 useless extension candidates. Maximal degree in co-relation 23714. Up to 1035 conditions per place. [2021-03-26 15:07:34,300 INFO L132 encePairwiseOnDemand]: 144/161 looper letters, 689 selfloop transitions, 89 changer transitions 0/796 dead transitions. [2021-03-26 15:07:34,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 688 places, 796 transitions, 24276 flow [2021-03-26 15:07:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:07:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:07:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 871 transitions. [2021-03-26 15:07:34,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33812111801242234 [2021-03-26 15:07:34,302 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 871 transitions. [2021-03-26 15:07:34,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 871 transitions. [2021-03-26 15:07:34,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:34,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 871 transitions. [2021-03-26 15:07:34,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.4375) internal successors, (871), 16 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:34,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 161.0) internal successors, (2737), 17 states have internal predecessors, (2737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:34,303 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 161.0) internal successors, (2737), 17 states have internal predecessors, (2737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:34,304 INFO L185 Difference]: Start difference. First operand has 673 places, 769 transitions, 21810 flow. Second operand 16 states and 871 transitions. [2021-03-26 15:07:34,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 688 places, 796 transitions, 24276 flow [2021-03-26 15:07:35,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 683 places, 796 transitions, 22562 flow, removed 842 selfloop flow, removed 5 redundant places. [2021-03-26 15:07:35,506 INFO L241 Difference]: Finished difference. Result has 688 places, 782 transitions, 21151 flow [2021-03-26 15:07:35,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=20096, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=769, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=21151, PETRI_PLACES=688, PETRI_TRANSITIONS=782} [2021-03-26 15:07:35,507 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 635 predicate places. [2021-03-26 15:07:35,507 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:35,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 688 places, 782 transitions, 21151 flow [2021-03-26 15:07:35,507 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 688 places, 782 transitions, 21151 flow [2021-03-26 15:07:35,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 688 places, 782 transitions, 21151 flow [2021-03-26 15:07:35,947 INFO L129 PetriNetUnfolder]: 746/1859 cut-off events. [2021-03-26 15:07:35,947 INFO L130 PetriNetUnfolder]: For 151860/151863 co-relation queries the response was YES. [2021-03-26 15:07:35,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21161 conditions, 1859 events. 746/1859 cut-off events. For 151860/151863 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 14733 event pairs, 13 based on Foata normal form. 1/1579 useless extension candidates. Maximal degree in co-relation 20854. Up to 340 conditions per place. [2021-03-26 15:07:36,015 INFO L142 LiptonReduction]: Number of co-enabled transitions 3502 [2021-03-26 15:07:36,083 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:36,083 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:36,083 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 576 [2021-03-26 15:07:36,084 INFO L480 AbstractCegarLoop]: Abstraction has has 688 places, 782 transitions, 21151 flow [2021-03-26 15:07:36,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:36,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:36,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:36,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable265 [2021-03-26 15:07:36,084 INFO L428 AbstractCegarLoop]: === Iteration 267 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:36,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:36,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1139560471, now seen corresponding path program 3 times [2021-03-26 15:07:36,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:36,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176923974] [2021-03-26 15:07:36,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:36,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:36,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:36,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:36,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:36,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:36,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:36,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:36,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:36,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:36,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:36,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:36,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:36,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:36,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:36,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:36,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:36,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:36,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:36,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:36,178 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:36,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176923974] [2021-03-26 15:07:36,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:36,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:07:36,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609290313] [2021-03-26 15:07:36,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:07:36,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:36,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:07:36,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:07:36,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 15:07:36,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 782 transitions, 21151 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:36,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:36,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 15:07:36,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:37,317 INFO L129 PetriNetUnfolder]: 803/1966 cut-off events. [2021-03-26 15:07:37,318 INFO L130 PetriNetUnfolder]: For 160776/160782 co-relation queries the response was YES. [2021-03-26 15:07:37,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23090 conditions, 1966 events. 803/1966 cut-off events. For 160776/160782 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 15333 event pairs, 14 based on Foata normal form. 7/1678 useless extension candidates. Maximal degree in co-relation 22779. Up to 1004 conditions per place. [2021-03-26 15:07:37,365 INFO L132 encePairwiseOnDemand]: 138/161 looper letters, 659 selfloop transitions, 121 changer transitions 1/799 dead transitions. [2021-03-26 15:07:37,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 699 places, 799 transitions, 23073 flow [2021-03-26 15:07:37,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:07:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:07:37,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 672 transitions. [2021-03-26 15:07:37,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34782608695652173 [2021-03-26 15:07:37,366 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 672 transitions. [2021-03-26 15:07:37,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 672 transitions. [2021-03-26 15:07:37,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:37,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 672 transitions. [2021-03-26 15:07:37,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 56.0) internal successors, (672), 12 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:37,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:37,368 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:37,368 INFO L185 Difference]: Start difference. First operand has 688 places, 782 transitions, 21151 flow. Second operand 12 states and 672 transitions. [2021-03-26 15:07:37,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 699 places, 799 transitions, 23073 flow [2021-03-26 15:07:38,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 799 transitions, 22557 flow, removed 238 selfloop flow, removed 7 redundant places. [2021-03-26 15:07:38,447 INFO L241 Difference]: Finished difference. Result has 694 places, 787 transitions, 21152 flow [2021-03-26 15:07:38,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=20635, PETRI_DIFFERENCE_MINUEND_PLACES=681, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=782, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=21152, PETRI_PLACES=694, PETRI_TRANSITIONS=787} [2021-03-26 15:07:38,447 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 641 predicate places. [2021-03-26 15:07:38,447 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:38,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 694 places, 787 transitions, 21152 flow [2021-03-26 15:07:38,448 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 694 places, 787 transitions, 21152 flow [2021-03-26 15:07:38,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 694 places, 787 transitions, 21152 flow [2021-03-26 15:07:38,881 INFO L129 PetriNetUnfolder]: 743/1854 cut-off events. [2021-03-26 15:07:38,881 INFO L130 PetriNetUnfolder]: For 152400/152416 co-relation queries the response was YES. [2021-03-26 15:07:38,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21231 conditions, 1854 events. 743/1854 cut-off events. For 152400/152416 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 14707 event pairs, 13 based on Foata normal form. 4/1582 useless extension candidates. Maximal degree in co-relation 20927. Up to 341 conditions per place. [2021-03-26 15:07:38,955 INFO L142 LiptonReduction]: Number of co-enabled transitions 3556 [2021-03-26 15:07:39,027 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:39,027 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:39,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 580 [2021-03-26 15:07:39,027 INFO L480 AbstractCegarLoop]: Abstraction has has 694 places, 787 transitions, 21152 flow [2021-03-26 15:07:39,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:39,027 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:39,027 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:39,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable266 [2021-03-26 15:07:39,028 INFO L428 AbstractCegarLoop]: === Iteration 268 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:39,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:39,028 INFO L82 PathProgramCache]: Analyzing trace with hash 727376185, now seen corresponding path program 5 times [2021-03-26 15:07:39,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:39,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040442106] [2021-03-26 15:07:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:39,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:39,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:39,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:39,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:39,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:39,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:39,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:39,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:39,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:39,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:39,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:39,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:39,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:39,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:39,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:39,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:39,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:39,111 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:39,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:39,115 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:07:39,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:39,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040442106] [2021-03-26 15:07:39,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:39,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:07:39,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601855081] [2021-03-26 15:07:39,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:07:39,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:39,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:07:39,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:07:39,118 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 15:07:39,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 787 transitions, 21152 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:39,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:39,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 15:07:39,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:40,103 INFO L129 PetriNetUnfolder]: 805/1977 cut-off events. [2021-03-26 15:07:40,103 INFO L130 PetriNetUnfolder]: For 157201/157216 co-relation queries the response was YES. [2021-03-26 15:07:40,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23055 conditions, 1977 events. 805/1977 cut-off events. For 157201/157216 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 15452 event pairs, 14 based on Foata normal form. 12/1689 useless extension candidates. Maximal degree in co-relation 22741. Up to 1094 conditions per place. [2021-03-26 15:07:40,160 INFO L132 encePairwiseOnDemand]: 148/161 looper letters, 745 selfloop transitions, 31 changer transitions 0/794 dead transitions. [2021-03-26 15:07:40,160 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 794 transitions, 22824 flow [2021-03-26 15:07:40,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:07:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:07:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 549 transitions. [2021-03-26 15:07:40,162 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3409937888198758 [2021-03-26 15:07:40,162 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 549 transitions. [2021-03-26 15:07:40,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 549 transitions. [2021-03-26 15:07:40,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:40,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 549 transitions. [2021-03-26 15:07:40,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 54.9) internal successors, (549), 10 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:40,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:40,163 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:40,163 INFO L185 Difference]: Start difference. First operand has 694 places, 787 transitions, 21152 flow. Second operand 10 states and 549 transitions. [2021-03-26 15:07:40,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 794 transitions, 22824 flow [2021-03-26 15:07:41,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 697 places, 794 transitions, 22389 flow, removed 135 selfloop flow, removed 6 redundant places. [2021-03-26 15:07:41,208 INFO L241 Difference]: Finished difference. Result has 699 places, 788 transitions, 20880 flow [2021-03-26 15:07:41,209 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=20717, PETRI_DIFFERENCE_MINUEND_PLACES=688, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=756, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=20880, PETRI_PLACES=699, PETRI_TRANSITIONS=788} [2021-03-26 15:07:41,209 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 646 predicate places. [2021-03-26 15:07:41,209 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:41,209 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 699 places, 788 transitions, 20880 flow [2021-03-26 15:07:41,209 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 699 places, 788 transitions, 20880 flow [2021-03-26 15:07:41,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 699 places, 788 transitions, 20880 flow [2021-03-26 15:07:41,622 INFO L129 PetriNetUnfolder]: 743/1860 cut-off events. [2021-03-26 15:07:41,622 INFO L130 PetriNetUnfolder]: For 150679/150703 co-relation queries the response was YES. [2021-03-26 15:07:41,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20880 conditions, 1860 events. 743/1860 cut-off events. For 150679/150703 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14813 event pairs, 17 based on Foata normal form. 4/1582 useless extension candidates. Maximal degree in co-relation 20574. Up to 340 conditions per place. [2021-03-26 15:07:41,688 INFO L142 LiptonReduction]: Number of co-enabled transitions 3568 [2021-03-26 15:07:41,759 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:41,759 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:41,759 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 550 [2021-03-26 15:07:41,759 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 788 transitions, 20880 flow [2021-03-26 15:07:41,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:41,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:41,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:41,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable267 [2021-03-26 15:07:41,760 INFO L428 AbstractCegarLoop]: === Iteration 269 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:41,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:41,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1904692197, now seen corresponding path program 6 times [2021-03-26 15:07:41,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:41,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876611804] [2021-03-26 15:07:41,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:41,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:41,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:41,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:41,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:41,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:41,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:41,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:41,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:41,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:41,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:41,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:41,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:41,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:41,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:41,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:41,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:41,847 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:07:41,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:07:41,861 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:41,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:41,865 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:07:41,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:41,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876611804] [2021-03-26 15:07:41,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:41,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:07:41,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977018328] [2021-03-26 15:07:41,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:07:41,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:41,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:07:41,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:07:41,868 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 15:07:41,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 699 places, 788 transitions, 20880 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:41,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:41,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 15:07:41,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:42,911 INFO L129 PetriNetUnfolder]: 803/1975 cut-off events. [2021-03-26 15:07:42,911 INFO L130 PetriNetUnfolder]: For 154654/154660 co-relation queries the response was YES. [2021-03-26 15:07:42,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22919 conditions, 1975 events. 803/1975 cut-off events. For 154654/154660 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 15389 event pairs, 14 based on Foata normal form. 7/1684 useless extension candidates. Maximal degree in co-relation 22603. Up to 1072 conditions per place. [2021-03-26 15:07:42,958 INFO L132 encePairwiseOnDemand]: 146/161 looper letters, 723 selfloop transitions, 56 changer transitions 2/799 dead transitions. [2021-03-26 15:07:42,958 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 711 places, 799 transitions, 22646 flow [2021-03-26 15:07:42,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:07:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:07:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 706 transitions. [2021-03-26 15:07:42,959 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3373148590539895 [2021-03-26 15:07:42,960 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 706 transitions. [2021-03-26 15:07:42,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 706 transitions. [2021-03-26 15:07:42,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:42,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 706 transitions. [2021-03-26 15:07:42,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.30769230769231) internal successors, (706), 13 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:42,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 161.0) internal successors, (2254), 14 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:42,961 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 161.0) internal successors, (2254), 14 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:42,961 INFO L185 Difference]: Start difference. First operand has 699 places, 788 transitions, 20880 flow. Second operand 13 states and 706 transitions. [2021-03-26 15:07:42,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 711 places, 799 transitions, 22646 flow [2021-03-26 15:07:44,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 704 places, 799 transitions, 22527 flow, removed 36 selfloop flow, removed 7 redundant places. [2021-03-26 15:07:44,055 INFO L241 Difference]: Finished difference. Result has 707 places, 789 transitions, 20935 flow [2021-03-26 15:07:44,056 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=20761, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=788, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=732, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=20935, PETRI_PLACES=707, PETRI_TRANSITIONS=789} [2021-03-26 15:07:44,056 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 654 predicate places. [2021-03-26 15:07:44,056 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:44,056 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 707 places, 789 transitions, 20935 flow [2021-03-26 15:07:44,056 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 707 places, 789 transitions, 20935 flow [2021-03-26 15:07:44,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 706 places, 789 transitions, 20935 flow [2021-03-26 15:07:44,477 INFO L129 PetriNetUnfolder]: 741/1856 cut-off events. [2021-03-26 15:07:44,477 INFO L130 PetriNetUnfolder]: For 151920/151945 co-relation queries the response was YES. [2021-03-26 15:07:44,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20929 conditions, 1856 events. 741/1856 cut-off events. For 151920/151945 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 14777 event pairs, 14 based on Foata normal form. 5/1581 useless extension candidates. Maximal degree in co-relation 20614. Up to 338 conditions per place. [2021-03-26 15:07:44,548 INFO L142 LiptonReduction]: Number of co-enabled transitions 3568 [2021-03-26 15:07:44,619 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:44,619 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:44,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 563 [2021-03-26 15:07:44,619 INFO L480 AbstractCegarLoop]: Abstraction has has 706 places, 789 transitions, 20935 flow [2021-03-26 15:07:44,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:44,620 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:44,620 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:44,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable268 [2021-03-26 15:07:44,620 INFO L428 AbstractCegarLoop]: === Iteration 270 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:44,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:44,620 INFO L82 PathProgramCache]: Analyzing trace with hash 942061015, now seen corresponding path program 4 times [2021-03-26 15:07:44,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:44,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666595665] [2021-03-26 15:07:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:44,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:44,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:44,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:44,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:44,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:44,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:44,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:44,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:44,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:44,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:44,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:44,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:44,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:44,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:44,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:44,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:44,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:44,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:44,728 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:44,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:44,744 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:44,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:44,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666595665] [2021-03-26 15:07:44,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:44,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:07:44,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301845905] [2021-03-26 15:07:44,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:07:44,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:44,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:07:44,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:07:44,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 15:07:44,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 706 places, 789 transitions, 20935 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:44,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:44,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 15:07:44,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:46,082 INFO L129 PetriNetUnfolder]: 807/1989 cut-off events. [2021-03-26 15:07:46,082 INFO L130 PetriNetUnfolder]: For 152387/152389 co-relation queries the response was YES. [2021-03-26 15:07:46,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23028 conditions, 1989 events. 807/1989 cut-off events. For 152387/152389 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 15566 event pairs, 19 based on Foata normal form. 3/1689 useless extension candidates. Maximal degree in co-relation 22709. Up to 1040 conditions per place. [2021-03-26 15:07:46,120 INFO L132 encePairwiseOnDemand]: 144/161 looper letters, 707 selfloop transitions, 73 changer transitions 12/810 dead transitions. [2021-03-26 15:07:46,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 722 places, 810 transitions, 22908 flow [2021-03-26 15:07:46,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:07:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:07:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 926 transitions. [2021-03-26 15:07:46,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3383266350018268 [2021-03-26 15:07:46,122 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 926 transitions. [2021-03-26 15:07:46,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 926 transitions. [2021-03-26 15:07:46,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:46,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 926 transitions. [2021-03-26 15:07:46,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 54.470588235294116) internal successors, (926), 17 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:46,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 161.0) internal successors, (2898), 18 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:46,123 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 161.0) internal successors, (2898), 18 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:46,124 INFO L185 Difference]: Start difference. First operand has 706 places, 789 transitions, 20935 flow. Second operand 17 states and 926 transitions. [2021-03-26 15:07:46,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 722 places, 810 transitions, 22908 flow [2021-03-26 15:07:47,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 710 places, 810 transitions, 22785 flow, removed 10 selfloop flow, removed 12 redundant places. [2021-03-26 15:07:47,258 INFO L241 Difference]: Finished difference. Result has 713 places, 782 transitions, 20887 flow [2021-03-26 15:07:47,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=20812, PETRI_DIFFERENCE_MINUEND_PLACES=694, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=716, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=20887, PETRI_PLACES=713, PETRI_TRANSITIONS=782} [2021-03-26 15:07:47,258 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 660 predicate places. [2021-03-26 15:07:47,258 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:47,258 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 713 places, 782 transitions, 20887 flow [2021-03-26 15:07:47,258 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 713 places, 782 transitions, 20887 flow [2021-03-26 15:07:47,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 711 places, 782 transitions, 20887 flow [2021-03-26 15:07:47,680 INFO L129 PetriNetUnfolder]: 734/1845 cut-off events. [2021-03-26 15:07:47,681 INFO L130 PetriNetUnfolder]: For 153076/153087 co-relation queries the response was YES. [2021-03-26 15:07:47,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20979 conditions, 1845 events. 734/1845 cut-off events. For 153076/153087 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 14684 event pairs, 11 based on Foata normal form. 1/1570 useless extension candidates. Maximal degree in co-relation 20679. Up to 335 conditions per place. [2021-03-26 15:07:47,749 INFO L142 LiptonReduction]: Number of co-enabled transitions 3490 [2021-03-26 15:07:47,819 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:47,819 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:47,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 561 [2021-03-26 15:07:47,819 INFO L480 AbstractCegarLoop]: Abstraction has has 711 places, 782 transitions, 20887 flow [2021-03-26 15:07:47,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:47,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:47,820 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:47,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable269 [2021-03-26 15:07:47,820 INFO L428 AbstractCegarLoop]: === Iteration 271 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:47,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:47,820 INFO L82 PathProgramCache]: Analyzing trace with hash -378450247, now seen corresponding path program 9 times [2021-03-26 15:07:47,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:47,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397544648] [2021-03-26 15:07:47,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:47,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:47,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:47,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:47,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:47,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:47,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:47,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:47,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:47,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:47,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:47,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:47,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:47,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:47,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:47,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:47,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:47,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:47,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:47,923 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:07:47,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:47,939 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:47,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:47,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397544648] [2021-03-26 15:07:47,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:47,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:07:47,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9113331] [2021-03-26 15:07:47,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:07:47,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:47,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:07:47,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:07:47,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 161 [2021-03-26 15:07:47,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 711 places, 782 transitions, 20887 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:47,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:47,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 161 [2021-03-26 15:07:47,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:49,167 INFO L129 PetriNetUnfolder]: 818/2019 cut-off events. [2021-03-26 15:07:49,168 INFO L130 PetriNetUnfolder]: For 168816/168829 co-relation queries the response was YES. [2021-03-26 15:07:49,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24025 conditions, 2019 events. 818/2019 cut-off events. For 168816/168829 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 15906 event pairs, 17 based on Foata normal form. 14/1727 useless extension candidates. Maximal degree in co-relation 23722. Up to 1078 conditions per place. [2021-03-26 15:07:49,219 INFO L132 encePairwiseOnDemand]: 141/161 looper letters, 723 selfloop transitions, 70 changer transitions 0/811 dead transitions. [2021-03-26 15:07:49,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 729 places, 811 transitions, 24113 flow [2021-03-26 15:07:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-26 15:07:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-26 15:07:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1008 transitions. [2021-03-26 15:07:49,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3295194508009153 [2021-03-26 15:07:49,221 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 1008 transitions. [2021-03-26 15:07:49,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 1008 transitions. [2021-03-26 15:07:49,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:49,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 1008 transitions. [2021-03-26 15:07:49,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 53.05263157894737) internal successors, (1008), 19 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:49,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 161.0) internal successors, (3220), 20 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:49,224 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 161.0) internal successors, (3220), 20 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:49,224 INFO L185 Difference]: Start difference. First operand has 711 places, 782 transitions, 20887 flow. Second operand 19 states and 1008 transitions. [2021-03-26 15:07:49,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 729 places, 811 transitions, 24113 flow [2021-03-26 15:07:50,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 716 places, 811 transitions, 23959 flow, removed 8 selfloop flow, removed 13 redundant places. [2021-03-26 15:07:50,379 INFO L241 Difference]: Finished difference. Result has 724 places, 799 transitions, 22072 flow [2021-03-26 15:07:50,379 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=20737, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=782, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=720, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=22072, PETRI_PLACES=724, PETRI_TRANSITIONS=799} [2021-03-26 15:07:50,379 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 671 predicate places. [2021-03-26 15:07:50,380 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:50,380 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 724 places, 799 transitions, 22072 flow [2021-03-26 15:07:50,380 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 724 places, 799 transitions, 22072 flow [2021-03-26 15:07:50,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 724 places, 799 transitions, 22072 flow [2021-03-26 15:07:50,844 INFO L129 PetriNetUnfolder]: 755/1908 cut-off events. [2021-03-26 15:07:50,844 INFO L130 PetriNetUnfolder]: For 166102/166127 co-relation queries the response was YES. [2021-03-26 15:07:50,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22183 conditions, 1908 events. 755/1908 cut-off events. For 166102/166127 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 15329 event pairs, 20 based on Foata normal form. 5/1625 useless extension candidates. Maximal degree in co-relation 21878. Up to 350 conditions per place. [2021-03-26 15:07:50,913 INFO L142 LiptonReduction]: Number of co-enabled transitions 3586 [2021-03-26 15:07:51,100 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:07:51,100 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:07:51,101 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 721 [2021-03-26 15:07:51,101 INFO L480 AbstractCegarLoop]: Abstraction has has 724 places, 799 transitions, 22160 flow [2021-03-26 15:07:51,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:51,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:51,101 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:51,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable270 [2021-03-26 15:07:51,101 INFO L428 AbstractCegarLoop]: === Iteration 272 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:51,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:51,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1552710149, now seen corresponding path program 10 times [2021-03-26 15:07:51,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:51,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674286322] [2021-03-26 15:07:51,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:51,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:51,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:51,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:51,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:51,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:51,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:51,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:51,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:51,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:51,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:51,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:51,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:51,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:51,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:51,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:51,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:51,207 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:51,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:51,222 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:51,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:51,238 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:07:51,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:51,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674286322] [2021-03-26 15:07:51,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:51,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:07:51,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673480675] [2021-03-26 15:07:51,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:07:51,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:51,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:07:51,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:07:51,241 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 162 [2021-03-26 15:07:51,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 724 places, 799 transitions, 22160 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:51,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:51,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 162 [2021-03-26 15:07:51,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:52,593 INFO L129 PetriNetUnfolder]: 842/2079 cut-off events. [2021-03-26 15:07:52,594 INFO L130 PetriNetUnfolder]: For 192163/192167 co-relation queries the response was YES. [2021-03-26 15:07:52,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25377 conditions, 2079 events. 842/2079 cut-off events. For 192163/192167 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 16510 event pairs, 14 based on Foata normal form. 5/1764 useless extension candidates. Maximal degree in co-relation 25069. Up to 1006 conditions per place. [2021-03-26 15:07:52,645 INFO L132 encePairwiseOnDemand]: 139/162 looper letters, 661 selfloop transitions, 151 changer transitions 0/830 dead transitions. [2021-03-26 15:07:52,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 830 transitions, 25494 flow [2021-03-26 15:07:52,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:07:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:07:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 878 transitions. [2021-03-26 15:07:52,646 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3387345679012346 [2021-03-26 15:07:52,647 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 878 transitions. [2021-03-26 15:07:52,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 878 transitions. [2021-03-26 15:07:52,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:52,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 878 transitions. [2021-03-26 15:07:52,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.875) internal successors, (878), 16 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:52,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 162.0) internal successors, (2754), 17 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:52,648 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 162.0) internal successors, (2754), 17 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:52,648 INFO L185 Difference]: Start difference. First operand has 724 places, 799 transitions, 22160 flow. Second operand 16 states and 878 transitions. [2021-03-26 15:07:52,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 830 transitions, 25494 flow [2021-03-26 15:07:53,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 733 places, 830 transitions, 24596 flow, removed 428 selfloop flow, removed 6 redundant places. [2021-03-26 15:07:53,994 INFO L241 Difference]: Finished difference. Result has 739 places, 815 transitions, 22707 flow [2021-03-26 15:07:53,994 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=21262, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=799, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22707, PETRI_PLACES=739, PETRI_TRANSITIONS=815} [2021-03-26 15:07:53,994 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 686 predicate places. [2021-03-26 15:07:53,994 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:53,994 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 739 places, 815 transitions, 22707 flow [2021-03-26 15:07:53,994 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 739 places, 815 transitions, 22707 flow [2021-03-26 15:07:54,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 815 transitions, 22707 flow [2021-03-26 15:07:54,538 INFO L129 PetriNetUnfolder]: 778/1959 cut-off events. [2021-03-26 15:07:54,538 INFO L130 PetriNetUnfolder]: For 189000/189026 co-relation queries the response was YES. [2021-03-26 15:07:54,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23183 conditions, 1959 events. 778/1959 cut-off events. For 189000/189026 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 15772 event pairs, 20 based on Foata normal form. 6/1665 useless extension candidates. Maximal degree in co-relation 22871. Up to 361 conditions per place. [2021-03-26 15:07:54,599 INFO L142 LiptonReduction]: Number of co-enabled transitions 3668 [2021-03-26 15:07:54,668 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:54,668 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:54,668 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 674 [2021-03-26 15:07:54,669 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 815 transitions, 22707 flow [2021-03-26 15:07:54,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:54,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:54,669 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:54,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable271 [2021-03-26 15:07:54,669 INFO L428 AbstractCegarLoop]: === Iteration 273 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:54,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:54,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1301990625, now seen corresponding path program 1 times [2021-03-26 15:07:54,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:54,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710978958] [2021-03-26 15:07:54,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:54,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:54,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:54,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:54,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:54,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:54,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:54,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:54,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:54,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:54,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:54,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:54,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:54,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:54,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:54,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:54,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:54,776 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:54,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:54,793 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:07:54,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:54,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710978958] [2021-03-26 15:07:54,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:54,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:07:54,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500203481] [2021-03-26 15:07:54,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:07:54,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:54,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:07:54,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:07:54,797 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 162 [2021-03-26 15:07:54,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 815 transitions, 22707 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:54,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:54,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 162 [2021-03-26 15:07:54,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:56,052 INFO L129 PetriNetUnfolder]: 852/2099 cut-off events. [2021-03-26 15:07:56,053 INFO L130 PetriNetUnfolder]: For 192770/192783 co-relation queries the response was YES. [2021-03-26 15:07:56,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25683 conditions, 2099 events. 852/2099 cut-off events. For 192770/192783 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 16690 event pairs, 19 based on Foata normal form. 14/1789 useless extension candidates. Maximal degree in co-relation 25368. Up to 1107 conditions per place. [2021-03-26 15:07:56,107 INFO L132 encePairwiseOnDemand]: 142/162 looper letters, 727 selfloop transitions, 81 changer transitions 10/836 dead transitions. [2021-03-26 15:07:56,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 754 places, 836 transitions, 25536 flow [2021-03-26 15:07:56,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:07:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:07:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 873 transitions. [2021-03-26 15:07:56,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3368055555555556 [2021-03-26 15:07:56,109 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 873 transitions. [2021-03-26 15:07:56,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 873 transitions. [2021-03-26 15:07:56,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:56,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 873 transitions. [2021-03-26 15:07:56,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.5625) internal successors, (873), 16 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:56,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 162.0) internal successors, (2754), 17 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:56,111 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 162.0) internal successors, (2754), 17 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:56,111 INFO L185 Difference]: Start difference. First operand has 739 places, 815 transitions, 22707 flow. Second operand 16 states and 873 transitions. [2021-03-26 15:07:56,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 754 places, 836 transitions, 25536 flow [2021-03-26 15:07:57,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 748 places, 836 transitions, 24890 flow, removed 294 selfloop flow, removed 6 redundant places. [2021-03-26 15:07:57,510 INFO L241 Difference]: Finished difference. Result has 751 places, 813 transitions, 22697 flow [2021-03-26 15:07:57,510 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=22069, PETRI_DIFFERENCE_MINUEND_PLACES=733, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=815, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=739, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=22697, PETRI_PLACES=751, PETRI_TRANSITIONS=813} [2021-03-26 15:07:57,510 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 698 predicate places. [2021-03-26 15:07:57,510 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:07:57,511 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 751 places, 813 transitions, 22697 flow [2021-03-26 15:07:57,511 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 751 places, 813 transitions, 22697 flow [2021-03-26 15:07:57,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 747 places, 813 transitions, 22697 flow [2021-03-26 15:07:57,981 INFO L129 PetriNetUnfolder]: 783/1952 cut-off events. [2021-03-26 15:07:57,982 INFO L130 PetriNetUnfolder]: For 181757/181781 co-relation queries the response was YES. [2021-03-26 15:07:58,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23131 conditions, 1952 events. 783/1952 cut-off events. For 181757/181781 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 15660 event pairs, 25 based on Foata normal form. 4/1655 useless extension candidates. Maximal degree in co-relation 22816. Up to 365 conditions per place. [2021-03-26 15:07:58,059 INFO L142 LiptonReduction]: Number of co-enabled transitions 3594 [2021-03-26 15:07:58,132 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:07:58,132 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:07:58,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 622 [2021-03-26 15:07:58,132 INFO L480 AbstractCegarLoop]: Abstraction has has 747 places, 813 transitions, 22697 flow [2021-03-26 15:07:58,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:58,132 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:07:58,132 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:07:58,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable272 [2021-03-26 15:07:58,132 INFO L428 AbstractCegarLoop]: === Iteration 274 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:07:58,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:07:58,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1974814735, now seen corresponding path program 4 times [2021-03-26 15:07:58,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:07:58,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443906656] [2021-03-26 15:07:58,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:07:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:07:58,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:58,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:07:58,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:58,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:07:58,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:58,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:58,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:58,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:58,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:58,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:58,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:58,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:58,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:58,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:58,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:58,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:58,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:07:58,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:07:58,244 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:07:58,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:07:58,263 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:07:58,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:07:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:07:58,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443906656] [2021-03-26 15:07:58,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:07:58,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:07:58,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62270631] [2021-03-26 15:07:58,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:07:58,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:07:58,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:07:58,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:07:58,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 162 [2021-03-26 15:07:58,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 747 places, 813 transitions, 22697 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:58,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:07:58,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 162 [2021-03-26 15:07:58,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:07:59,547 INFO L129 PetriNetUnfolder]: 855/2108 cut-off events. [2021-03-26 15:07:59,547 INFO L130 PetriNetUnfolder]: For 189063/189067 co-relation queries the response was YES. [2021-03-26 15:07:59,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25829 conditions, 2108 events. 855/2108 cut-off events. For 189063/189067 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 16808 event pairs, 21 based on Foata normal form. 6/1788 useless extension candidates. Maximal degree in co-relation 25511. Up to 990 conditions per place. [2021-03-26 15:07:59,604 INFO L132 encePairwiseOnDemand]: 138/162 looper letters, 651 selfloop transitions, 174 changer transitions 1/844 dead transitions. [2021-03-26 15:07:59,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 758 places, 844 transitions, 25780 flow [2021-03-26 15:07:59,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:07:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:07:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 683 transitions. [2021-03-26 15:07:59,606 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3513374485596708 [2021-03-26 15:07:59,606 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 683 transitions. [2021-03-26 15:07:59,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 683 transitions. [2021-03-26 15:07:59,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:07:59,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 683 transitions. [2021-03-26 15:07:59,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 56.916666666666664) internal successors, (683), 12 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) [2021-03-26 15:07:59,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 162.0) internal successors, (2106), 13 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:59,607 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 162.0) internal successors, (2106), 13 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:07:59,607 INFO L185 Difference]: Start difference. First operand has 747 places, 813 transitions, 22697 flow. Second operand 12 states and 683 transitions. [2021-03-26 15:07:59,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 758 places, 844 transitions, 25780 flow [2021-03-26 15:08:01,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 741 places, 844 transitions, 25220 flow, removed 201 selfloop flow, removed 17 redundant places. [2021-03-26 15:08:01,135 INFO L241 Difference]: Finished difference. Result has 745 places, 826 transitions, 23585 flow [2021-03-26 15:08:01,135 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=22165, PETRI_DIFFERENCE_MINUEND_PLACES=730, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=813, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=646, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=23585, PETRI_PLACES=745, PETRI_TRANSITIONS=826} [2021-03-26 15:08:01,135 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 692 predicate places. [2021-03-26 15:08:01,135 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:01,135 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 826 transitions, 23585 flow [2021-03-26 15:08:01,135 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 826 transitions, 23585 flow [2021-03-26 15:08:01,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 745 places, 826 transitions, 23585 flow [2021-03-26 15:08:01,625 INFO L129 PetriNetUnfolder]: 803/2025 cut-off events. [2021-03-26 15:08:01,625 INFO L130 PetriNetUnfolder]: For 183385/183390 co-relation queries the response was YES. [2021-03-26 15:08:01,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23920 conditions, 2025 events. 803/2025 cut-off events. For 183385/183390 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 16559 event pairs, 26 based on Foata normal form. 3/1712 useless extension candidates. Maximal degree in co-relation 23607. Up to 371 conditions per place. [2021-03-26 15:08:01,703 INFO L142 LiptonReduction]: Number of co-enabled transitions 3674 [2021-03-26 15:08:01,781 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:01,781 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:01,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 646 [2021-03-26 15:08:01,782 INFO L480 AbstractCegarLoop]: Abstraction has has 745 places, 826 transitions, 23585 flow [2021-03-26 15:08:01,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:01,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:01,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:01,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273 [2021-03-26 15:08:01,782 INFO L428 AbstractCegarLoop]: === Iteration 275 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:01,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:01,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1945779377, now seen corresponding path program 5 times [2021-03-26 15:08:01,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:01,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218644183] [2021-03-26 15:08:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:01,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:01,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:01,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:01,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:01,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:01,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:01,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:01,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:01,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:01,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:01,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:01,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:01,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:01,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:01,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:01,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:01,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:01,865 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:08:01,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:01,880 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:01,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:01,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218644183] [2021-03-26 15:08:01,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:01,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:08:01,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984042718] [2021-03-26 15:08:01,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:08:01,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:01,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:08:01,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:08:01,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 162 [2021-03-26 15:08:01,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 826 transitions, 23585 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:01,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:01,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 162 [2021-03-26 15:08:01,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:03,216 INFO L129 PetriNetUnfolder]: 857/2122 cut-off events. [2021-03-26 15:08:03,216 INFO L130 PetriNetUnfolder]: For 186882/186886 co-relation queries the response was YES. [2021-03-26 15:08:03,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25816 conditions, 2122 events. 857/2122 cut-off events. For 186882/186886 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 16990 event pairs, 18 based on Foata normal form. 6/1798 useless extension candidates. Maximal degree in co-relation 25500. Up to 1031 conditions per place. [2021-03-26 15:08:03,268 INFO L132 encePairwiseOnDemand]: 138/162 looper letters, 677 selfloop transitions, 147 changer transitions 3/845 dead transitions. [2021-03-26 15:08:03,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 758 places, 845 transitions, 25750 flow [2021-03-26 15:08:03,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:08:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:08:03,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 779 transitions. [2021-03-26 15:08:03,269 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34347442680776014 [2021-03-26 15:08:03,269 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 779 transitions. [2021-03-26 15:08:03,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 779 transitions. [2021-03-26 15:08:03,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:03,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 779 transitions. [2021-03-26 15:08:03,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.642857142857146) internal successors, (779), 14 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:03,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:03,271 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 162.0) internal successors, (2430), 15 states have internal predecessors, (2430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:03,271 INFO L185 Difference]: Start difference. First operand has 745 places, 826 transitions, 23585 flow. Second operand 14 states and 779 transitions. [2021-03-26 15:08:03,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 758 places, 845 transitions, 25750 flow [2021-03-26 15:08:04,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 750 places, 845 transitions, 24827 flow, removed 380 selfloop flow, removed 8 redundant places. [2021-03-26 15:08:04,680 INFO L241 Difference]: Finished difference. Result has 753 places, 827 transitions, 23039 flow [2021-03-26 15:08:04,680 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=22662, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=826, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=679, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=23039, PETRI_PLACES=753, PETRI_TRANSITIONS=827} [2021-03-26 15:08:04,680 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 700 predicate places. [2021-03-26 15:08:04,680 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:04,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 753 places, 827 transitions, 23039 flow [2021-03-26 15:08:04,680 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 753 places, 827 transitions, 23039 flow [2021-03-26 15:08:04,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 753 places, 827 transitions, 23039 flow [2021-03-26 15:08:05,160 INFO L129 PetriNetUnfolder]: 795/2005 cut-off events. [2021-03-26 15:08:05,160 INFO L130 PetriNetUnfolder]: For 178671/178677 co-relation queries the response was YES. [2021-03-26 15:08:05,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23582 conditions, 2005 events. 795/2005 cut-off events. For 178671/178677 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 16367 event pairs, 20 based on Foata normal form. 4/1700 useless extension candidates. Maximal degree in co-relation 23268. Up to 363 conditions per place. [2021-03-26 15:08:05,236 INFO L142 LiptonReduction]: Number of co-enabled transitions 3684 [2021-03-26 15:08:05,313 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:05,313 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:05,313 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 633 [2021-03-26 15:08:05,313 INFO L480 AbstractCegarLoop]: Abstraction has has 753 places, 827 transitions, 23039 flow [2021-03-26 15:08:05,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:05,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:05,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:05,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable274 [2021-03-26 15:08:05,314 INFO L428 AbstractCegarLoop]: === Iteration 276 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:05,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:05,314 INFO L82 PathProgramCache]: Analyzing trace with hash -959854947, now seen corresponding path program 11 times [2021-03-26 15:08:05,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:05,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108668277] [2021-03-26 15:08:05,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:05,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:05,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:05,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:05,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:05,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:05,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:05,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:05,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:05,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:05,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:05,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:05,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:05,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:05,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:05,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:05,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:05,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:05,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:05,412 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:08:05,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:05,428 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:05,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:05,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108668277] [2021-03-26 15:08:05,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:05,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:08:05,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088970933] [2021-03-26 15:08:05,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:08:05,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:05,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:08:05,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:08:05,432 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 162 [2021-03-26 15:08:05,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 753 places, 827 transitions, 23039 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:05,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:05,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 162 [2021-03-26 15:08:05,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:06,778 INFO L129 PetriNetUnfolder]: 858/2134 cut-off events. [2021-03-26 15:08:06,778 INFO L130 PetriNetUnfolder]: For 182117/182121 co-relation queries the response was YES. [2021-03-26 15:08:06,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25617 conditions, 2134 events. 858/2134 cut-off events. For 182117/182121 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 17142 event pairs, 22 based on Foata normal form. 5/1808 useless extension candidates. Maximal degree in co-relation 25300. Up to 1146 conditions per place. [2021-03-26 15:08:06,825 INFO L132 encePairwiseOnDemand]: 144/162 looper letters, 775 selfloop transitions, 48 changer transitions 0/841 dead transitions. [2021-03-26 15:08:06,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 768 places, 841 transitions, 24989 flow [2021-03-26 15:08:06,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:08:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:08:06,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 845 transitions. [2021-03-26 15:08:06,826 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32600308641975306 [2021-03-26 15:08:06,826 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 845 transitions. [2021-03-26 15:08:06,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 845 transitions. [2021-03-26 15:08:06,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:06,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 845 transitions. [2021-03-26 15:08:06,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 52.8125) internal successors, (845), 16 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:06,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 162.0) internal successors, (2754), 17 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:06,829 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 162.0) internal successors, (2754), 17 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:06,829 INFO L185 Difference]: Start difference. First operand has 753 places, 827 transitions, 23039 flow. Second operand 16 states and 845 transitions. [2021-03-26 15:08:06,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 768 places, 841 transitions, 24989 flow [2021-03-26 15:08:08,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 761 places, 841 transitions, 24786 flow, removed 8 selfloop flow, removed 7 redundant places. [2021-03-26 15:08:08,257 INFO L241 Difference]: Finished difference. Result has 767 places, 834 transitions, 23149 flow [2021-03-26 15:08:08,257 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=22836, PETRI_DIFFERENCE_MINUEND_PLACES=746, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=780, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23149, PETRI_PLACES=767, PETRI_TRANSITIONS=834} [2021-03-26 15:08:08,257 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 714 predicate places. [2021-03-26 15:08:08,257 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:08,257 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 767 places, 834 transitions, 23149 flow [2021-03-26 15:08:08,257 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 767 places, 834 transitions, 23149 flow [2021-03-26 15:08:08,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 767 places, 834 transitions, 23149 flow [2021-03-26 15:08:08,751 INFO L129 PetriNetUnfolder]: 797/2023 cut-off events. [2021-03-26 15:08:08,752 INFO L130 PetriNetUnfolder]: For 182446/182452 co-relation queries the response was YES. [2021-03-26 15:08:08,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23671 conditions, 2023 events. 797/2023 cut-off events. For 182446/182452 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 16539 event pairs, 23 based on Foata normal form. 4/1715 useless extension candidates. Maximal degree in co-relation 23353. Up to 367 conditions per place. [2021-03-26 15:08:08,835 INFO L142 LiptonReduction]: Number of co-enabled transitions 3758 [2021-03-26 15:08:09,051 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:08:09,052 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:08:09,052 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 795 [2021-03-26 15:08:09,052 INFO L480 AbstractCegarLoop]: Abstraction has has 767 places, 834 transitions, 23249 flow [2021-03-26 15:08:09,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:09,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:09,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:09,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable275 [2021-03-26 15:08:09,052 INFO L428 AbstractCegarLoop]: === Iteration 277 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:09,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:09,052 INFO L82 PathProgramCache]: Analyzing trace with hash 682327843, now seen corresponding path program 12 times [2021-03-26 15:08:09,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:09,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989255319] [2021-03-26 15:08:09,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:09,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:09,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:09,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:09,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:09,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:09,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:09,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:09,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:09,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:09,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:09,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:09,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:09,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:09,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:09,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:09,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:09,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:09,151 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:08:09,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:09,167 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:09,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:09,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:09,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989255319] [2021-03-26 15:08:09,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:09,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:08:09,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404170484] [2021-03-26 15:08:09,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:08:09,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:09,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:08:09,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:08:09,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 163 [2021-03-26 15:08:09,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 767 places, 834 transitions, 23249 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:09,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:09,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 163 [2021-03-26 15:08:09,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:10,568 INFO L129 PetriNetUnfolder]: 855/2131 cut-off events. [2021-03-26 15:08:10,568 INFO L130 PetriNetUnfolder]: For 186600/186606 co-relation queries the response was YES. [2021-03-26 15:08:10,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25773 conditions, 2131 events. 855/2131 cut-off events. For 186600/186606 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 17086 event pairs, 19 based on Foata normal form. 7/1810 useless extension candidates. Maximal degree in co-relation 25452. Up to 1136 conditions per place. [2021-03-26 15:08:10,624 INFO L132 encePairwiseOnDemand]: 144/163 looper letters, 756 selfloop transitions, 75 changer transitions 0/849 dead transitions. [2021-03-26 15:08:10,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 783 places, 849 transitions, 25542 flow [2021-03-26 15:08:10,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:08:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:08:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 913 transitions. [2021-03-26 15:08:10,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32948394081559 [2021-03-26 15:08:10,626 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 913 transitions. [2021-03-26 15:08:10,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 913 transitions. [2021-03-26 15:08:10,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:10,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 913 transitions. [2021-03-26 15:08:10,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.705882352941174) internal successors, (913), 17 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:10,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 163.0) internal successors, (2934), 18 states have internal predecessors, (2934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:10,628 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 163.0) internal successors, (2934), 18 states have internal predecessors, (2934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:10,628 INFO L185 Difference]: Start difference. First operand has 767 places, 834 transitions, 23249 flow. Second operand 17 states and 913 transitions. [2021-03-26 15:08:10,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 783 places, 849 transitions, 25542 flow [2021-03-26 15:08:12,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 777 places, 849 transitions, 25231 flow, removed 129 selfloop flow, removed 6 redundant places. [2021-03-26 15:08:12,052 INFO L241 Difference]: Finished difference. Result has 781 places, 839 transitions, 23484 flow [2021-03-26 15:08:12,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=22938, PETRI_DIFFERENCE_MINUEND_PLACES=761, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=761, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=23484, PETRI_PLACES=781, PETRI_TRANSITIONS=839} [2021-03-26 15:08:12,053 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 728 predicate places. [2021-03-26 15:08:12,053 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:12,053 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 781 places, 839 transitions, 23484 flow [2021-03-26 15:08:12,053 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 781 places, 839 transitions, 23484 flow [2021-03-26 15:08:12,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 781 places, 839 transitions, 23484 flow [2021-03-26 15:08:12,558 INFO L129 PetriNetUnfolder]: 819/2080 cut-off events. [2021-03-26 15:08:12,558 INFO L130 PetriNetUnfolder]: For 185515/185523 co-relation queries the response was YES. [2021-03-26 15:08:12,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23854 conditions, 2080 events. 819/2080 cut-off events. For 185515/185523 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 17172 event pairs, 29 based on Foata normal form. 6/1752 useless extension candidates. Maximal degree in co-relation 23531. Up to 365 conditions per place. [2021-03-26 15:08:12,645 INFO L142 LiptonReduction]: Number of co-enabled transitions 3812 [2021-03-26 15:08:12,856 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:08:12,856 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:08:12,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 803 [2021-03-26 15:08:12,856 INFO L480 AbstractCegarLoop]: Abstraction has has 781 places, 839 transitions, 23575 flow [2021-03-26 15:08:12,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:12,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:12,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:12,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable276 [2021-03-26 15:08:12,857 INFO L428 AbstractCegarLoop]: === Iteration 278 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:12,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:12,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1776114548, now seen corresponding path program 1 times [2021-03-26 15:08:12,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:12,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767072984] [2021-03-26 15:08:12,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:12,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:12,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:12,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:12,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:12,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:12,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:12,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:12,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:12,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:12,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:12,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:12,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:12,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:12,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:12,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:12,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:12,975 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:08:12,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:12,995 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:12,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:12,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767072984] [2021-03-26 15:08:12,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:12,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:08:12,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644373627] [2021-03-26 15:08:12,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:08:12,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:12,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:08:12,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:08:13,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 164 [2021-03-26 15:08:13,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 781 places, 839 transitions, 23575 flow. Second operand has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:13,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:13,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 164 [2021-03-26 15:08:13,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:14,335 INFO L129 PetriNetUnfolder]: 861/2147 cut-off events. [2021-03-26 15:08:14,336 INFO L130 PetriNetUnfolder]: For 186022/186026 co-relation queries the response was YES. [2021-03-26 15:08:14,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25848 conditions, 2147 events. 861/2147 cut-off events. For 186022/186026 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 17308 event pairs, 24 based on Foata normal form. 5/1818 useless extension candidates. Maximal degree in co-relation 25522. Up to 1144 conditions per place. [2021-03-26 15:08:14,391 INFO L132 encePairwiseOnDemand]: 145/164 looper letters, 761 selfloop transitions, 54 changer transitions 12/845 dead transitions. [2021-03-26 15:08:14,392 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 794 places, 845 transitions, 25277 flow [2021-03-26 15:08:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:08:14,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:08:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 759 transitions. [2021-03-26 15:08:14,393 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33057491289198604 [2021-03-26 15:08:14,393 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 759 transitions. [2021-03-26 15:08:14,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 759 transitions. [2021-03-26 15:08:14,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:14,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 759 transitions. [2021-03-26 15:08:14,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.214285714285715) internal successors, (759), 14 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:14,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 164.0) internal successors, (2460), 15 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:14,395 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 164.0) internal successors, (2460), 15 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:14,395 INFO L185 Difference]: Start difference. First operand has 781 places, 839 transitions, 23575 flow. Second operand 14 states and 759 transitions. [2021-03-26 15:08:14,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 794 places, 845 transitions, 25277 flow [2021-03-26 15:08:15,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 782 places, 845 transitions, 24750 flow, removed 198 selfloop flow, removed 12 redundant places. [2021-03-26 15:08:15,924 INFO L241 Difference]: Finished difference. Result has 783 places, 827 transitions, 22996 flow [2021-03-26 15:08:15,924 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=23048, PETRI_DIFFERENCE_MINUEND_PLACES=769, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=839, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=785, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=22996, PETRI_PLACES=783, PETRI_TRANSITIONS=827} [2021-03-26 15:08:15,924 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 730 predicate places. [2021-03-26 15:08:15,924 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:15,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 783 places, 827 transitions, 22996 flow [2021-03-26 15:08:15,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 783 places, 827 transitions, 22996 flow [2021-03-26 15:08:15,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 769 places, 827 transitions, 22996 flow [2021-03-26 15:08:16,485 INFO L129 PetriNetUnfolder]: 804/2028 cut-off events. [2021-03-26 15:08:16,485 INFO L130 PetriNetUnfolder]: For 182210/182221 co-relation queries the response was YES. [2021-03-26 15:08:16,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23542 conditions, 2028 events. 804/2028 cut-off events. For 182210/182221 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 16559 event pairs, 23 based on Foata normal form. 4/1711 useless extension candidates. Maximal degree in co-relation 23224. Up to 360 conditions per place. [2021-03-26 15:08:16,581 INFO L142 LiptonReduction]: Number of co-enabled transitions 3698 [2021-03-26 15:08:16,654 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:16,654 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:16,654 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 730 [2021-03-26 15:08:16,655 INFO L480 AbstractCegarLoop]: Abstraction has has 769 places, 827 transitions, 22996 flow [2021-03-26 15:08:16,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.09090909090909) internal successors, (540), 11 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:16,655 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:16,655 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:16,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable277 [2021-03-26 15:08:16,655 INFO L428 AbstractCegarLoop]: === Iteration 279 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:16,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:16,655 INFO L82 PathProgramCache]: Analyzing trace with hash 57313304, now seen corresponding path program 1 times [2021-03-26 15:08:16,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:16,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853187711] [2021-03-26 15:08:16,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:16,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:16,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:16,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:16,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:16,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:16,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:16,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:16,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:16,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:16,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:16,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:16,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:16,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:16,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:16,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:16,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:16,731 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:08:16,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:08:16,734 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:08:16,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:16,738 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:16,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:16,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853187711] [2021-03-26 15:08:16,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:16,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:08:16,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463620836] [2021-03-26 15:08:16,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:08:16,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:16,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:08:16,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:08:16,742 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 164 [2021-03-26 15:08:16,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 827 transitions, 22996 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:16,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:16,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 164 [2021-03-26 15:08:16,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:17,982 INFO L129 PetriNetUnfolder]: 888/2198 cut-off events. [2021-03-26 15:08:17,982 INFO L130 PetriNetUnfolder]: For 217816/217822 co-relation queries the response was YES. [2021-03-26 15:08:18,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27844 conditions, 2198 events. 888/2198 cut-off events. For 217816/217822 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 17703 event pairs, 21 based on Foata normal form. 7/1868 useless extension candidates. Maximal degree in co-relation 27522. Up to 1099 conditions per place. [2021-03-26 15:08:18,043 INFO L132 encePairwiseOnDemand]: 143/164 looper letters, 718 selfloop transitions, 134 changer transitions 1/871 dead transitions. [2021-03-26 15:08:18,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 780 places, 871 transitions, 27335 flow [2021-03-26 15:08:18,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:08:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:08:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 681 transitions. [2021-03-26 15:08:18,045 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34603658536585363 [2021-03-26 15:08:18,045 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 681 transitions. [2021-03-26 15:08:18,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 681 transitions. [2021-03-26 15:08:18,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:18,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 681 transitions. [2021-03-26 15:08:18,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 56.75) internal successors, (681), 12 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:18,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:18,046 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:18,046 INFO L185 Difference]: Start difference. First operand has 769 places, 827 transitions, 22996 flow. Second operand 12 states and 681 transitions. [2021-03-26 15:08:18,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 780 places, 871 transitions, 27335 flow [2021-03-26 15:08:19,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 763 places, 871 transitions, 27147 flow, removed 21 selfloop flow, removed 17 redundant places. [2021-03-26 15:08:19,574 INFO L241 Difference]: Finished difference. Result has 769 places, 855 transitions, 25118 flow [2021-03-26 15:08:19,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=22820, PETRI_DIFFERENCE_MINUEND_PLACES=752, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=25118, PETRI_PLACES=769, PETRI_TRANSITIONS=855} [2021-03-26 15:08:19,574 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 716 predicate places. [2021-03-26 15:08:19,574 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:19,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 855 transitions, 25118 flow [2021-03-26 15:08:19,575 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 855 transitions, 25118 flow [2021-03-26 15:08:19,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 769 places, 855 transitions, 25118 flow [2021-03-26 15:08:20,106 INFO L129 PetriNetUnfolder]: 839/2117 cut-off events. [2021-03-26 15:08:20,106 INFO L130 PetriNetUnfolder]: For 216954/216989 co-relation queries the response was YES. [2021-03-26 15:08:20,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26008 conditions, 2117 events. 839/2117 cut-off events. For 216954/216989 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 17519 event pairs, 30 based on Foata normal form. 8/1794 useless extension candidates. Maximal degree in co-relation 25687. Up to 402 conditions per place. [2021-03-26 15:08:20,279 INFO L142 LiptonReduction]: Number of co-enabled transitions 3866 [2021-03-26 15:08:20,376 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:20,376 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:20,376 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 802 [2021-03-26 15:08:20,376 INFO L480 AbstractCegarLoop]: Abstraction has has 769 places, 855 transitions, 25118 flow [2021-03-26 15:08:20,376 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:20,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:20,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:20,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable278 [2021-03-26 15:08:20,376 INFO L428 AbstractCegarLoop]: === Iteration 280 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:20,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:20,377 INFO L82 PathProgramCache]: Analyzing trace with hash 734474190, now seen corresponding path program 1 times [2021-03-26 15:08:20,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:20,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73451519] [2021-03-26 15:08:20,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:20,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:20,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:20,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:20,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:20,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:20,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:20,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:20,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:20,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:20,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:20,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:20,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:20,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:20,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:20,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:20,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:20,462 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:08:20,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:20,471 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:08:20,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:20,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73451519] [2021-03-26 15:08:20,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:20,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:08:20,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061154570] [2021-03-26 15:08:20,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:08:20,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:20,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:08:20,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:08:20,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 164 [2021-03-26 15:08:20,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 855 transitions, 25118 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:20,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:20,475 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 164 [2021-03-26 15:08:20,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:21,753 INFO L129 PetriNetUnfolder]: 904/2237 cut-off events. [2021-03-26 15:08:21,753 INFO L130 PetriNetUnfolder]: For 220264/220266 co-relation queries the response was YES. [2021-03-26 15:08:21,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28634 conditions, 2237 events. 904/2237 cut-off events. For 220264/220266 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 18112 event pairs, 28 based on Foata normal form. 3/1890 useless extension candidates. Maximal degree in co-relation 28310. Up to 1199 conditions per place. [2021-03-26 15:08:21,813 INFO L132 encePairwiseOnDemand]: 148/164 looper letters, 793 selfloop transitions, 65 changer transitions 0/876 dead transitions. [2021-03-26 15:08:21,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 781 places, 876 transitions, 27886 flow [2021-03-26 15:08:21,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:08:21,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:08:21,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 714 transitions. [2021-03-26 15:08:21,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3348968105065666 [2021-03-26 15:08:21,814 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 714 transitions. [2021-03-26 15:08:21,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 714 transitions. [2021-03-26 15:08:21,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:21,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 714 transitions. [2021-03-26 15:08:21,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.92307692307692) internal successors, (714), 13 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:21,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 164.0) internal successors, (2296), 14 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:21,816 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 164.0) internal successors, (2296), 14 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:21,816 INFO L185 Difference]: Start difference. First operand has 769 places, 855 transitions, 25118 flow. Second operand 13 states and 714 transitions. [2021-03-26 15:08:21,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 781 places, 876 transitions, 27886 flow [2021-03-26 15:08:23,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 780 places, 876 transitions, 27247 flow, removed 315 selfloop flow, removed 1 redundant places. [2021-03-26 15:08:23,430 INFO L241 Difference]: Finished difference. Result has 782 places, 866 transitions, 25606 flow [2021-03-26 15:08:23,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=24479, PETRI_DIFFERENCE_MINUEND_PLACES=768, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=855, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=796, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=25606, PETRI_PLACES=782, PETRI_TRANSITIONS=866} [2021-03-26 15:08:23,430 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 729 predicate places. [2021-03-26 15:08:23,430 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:23,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 782 places, 866 transitions, 25606 flow [2021-03-26 15:08:23,431 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 782 places, 866 transitions, 25606 flow [2021-03-26 15:08:23,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 782 places, 866 transitions, 25606 flow [2021-03-26 15:08:23,978 INFO L129 PetriNetUnfolder]: 845/2139 cut-off events. [2021-03-26 15:08:23,978 INFO L130 PetriNetUnfolder]: For 209312/209348 co-relation queries the response was YES. [2021-03-26 15:08:24,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26139 conditions, 2139 events. 845/2139 cut-off events. For 209312/209348 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 17730 event pairs, 37 based on Foata normal form. 9/1815 useless extension candidates. Maximal degree in co-relation 25815. Up to 411 conditions per place. [2021-03-26 15:08:24,065 INFO L142 LiptonReduction]: Number of co-enabled transitions 3960 [2021-03-26 15:08:24,154 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:24,154 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:24,154 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 724 [2021-03-26 15:08:24,155 INFO L480 AbstractCegarLoop]: Abstraction has has 782 places, 866 transitions, 25606 flow [2021-03-26 15:08:24,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:24,155 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:24,155 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:24,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable279 [2021-03-26 15:08:24,155 INFO L428 AbstractCegarLoop]: === Iteration 281 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:24,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:24,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2118332874, now seen corresponding path program 1 times [2021-03-26 15:08:24,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:24,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16537357] [2021-03-26 15:08:24,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:24,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:24,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:24,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:24,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:24,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:24,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:24,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:24,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:24,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:24,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:24,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:24,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:24,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:24,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:24,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:24,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:24,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:24,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:24,229 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:08:24,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:24,243 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:24,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:24,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16537357] [2021-03-26 15:08:24,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:24,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:08:24,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386009724] [2021-03-26 15:08:24,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:08:24,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:24,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:08:24,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:08:24,246 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 164 [2021-03-26 15:08:24,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 782 places, 866 transitions, 25606 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:24,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:24,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 164 [2021-03-26 15:08:24,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:25,566 INFO L129 PetriNetUnfolder]: 919/2281 cut-off events. [2021-03-26 15:08:25,566 INFO L130 PetriNetUnfolder]: For 222238/222251 co-relation queries the response was YES. [2021-03-26 15:08:25,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28963 conditions, 2281 events. 919/2281 cut-off events. For 222238/222251 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 18621 event pairs, 26 based on Foata normal form. 14/1936 useless extension candidates. Maximal degree in co-relation 28636. Up to 1203 conditions per place. [2021-03-26 15:08:25,631 INFO L132 encePairwiseOnDemand]: 146/164 looper letters, 801 selfloop transitions, 71 changer transitions 0/890 dead transitions. [2021-03-26 15:08:25,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 793 places, 890 transitions, 29053 flow [2021-03-26 15:08:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:08:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:08:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 660 transitions. [2021-03-26 15:08:25,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3353658536585366 [2021-03-26 15:08:25,633 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 660 transitions. [2021-03-26 15:08:25,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 660 transitions. [2021-03-26 15:08:25,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:25,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 660 transitions. [2021-03-26 15:08:25,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.0) internal successors, (660), 12 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:25,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:25,635 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 164.0) internal successors, (2132), 13 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:25,635 INFO L185 Difference]: Start difference. First operand has 782 places, 866 transitions, 25606 flow. Second operand 12 states and 660 transitions. [2021-03-26 15:08:25,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 793 places, 890 transitions, 29053 flow [2021-03-26 15:08:27,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 787 places, 890 transitions, 28343 flow, removed 338 selfloop flow, removed 6 redundant places. [2021-03-26 15:08:27,279 INFO L241 Difference]: Finished difference. Result has 792 places, 882 transitions, 26577 flow [2021-03-26 15:08:27,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=24896, PETRI_DIFFERENCE_MINUEND_PLACES=776, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=866, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=803, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=26577, PETRI_PLACES=792, PETRI_TRANSITIONS=882} [2021-03-26 15:08:27,280 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 739 predicate places. [2021-03-26 15:08:27,280 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:27,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 792 places, 882 transitions, 26577 flow [2021-03-26 15:08:27,280 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 792 places, 882 transitions, 26577 flow [2021-03-26 15:08:27,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 792 places, 882 transitions, 26577 flow [2021-03-26 15:08:27,848 INFO L129 PetriNetUnfolder]: 859/2180 cut-off events. [2021-03-26 15:08:27,848 INFO L130 PetriNetUnfolder]: For 220781/220816 co-relation queries the response was YES. [2021-03-26 15:08:27,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26747 conditions, 2180 events. 859/2180 cut-off events. For 220781/220816 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 18215 event pairs, 26 based on Foata normal form. 8/1844 useless extension candidates. Maximal degree in co-relation 26417. Up to 417 conditions per place. [2021-03-26 15:08:27,939 INFO L142 LiptonReduction]: Number of co-enabled transitions 4078 [2021-03-26 15:08:28,166 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:08:28,166 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:08:28,166 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 886 [2021-03-26 15:08:28,166 INFO L480 AbstractCegarLoop]: Abstraction has has 792 places, 882 transitions, 26668 flow [2021-03-26 15:08:28,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:28,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:28,166 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:28,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable280 [2021-03-26 15:08:28,166 INFO L428 AbstractCegarLoop]: === Iteration 282 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:28,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:28,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2023963174, now seen corresponding path program 2 times [2021-03-26 15:08:28,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:28,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123794210] [2021-03-26 15:08:28,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:28,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:28,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:28,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:28,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:28,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:28,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:28,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:28,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:28,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:28,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:28,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:28,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:08:28,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:28,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:28,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:28,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:28,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:28,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:28,257 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:08:28,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:28,271 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:28,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:28,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123794210] [2021-03-26 15:08:28,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:28,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:08:28,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773903470] [2021-03-26 15:08:28,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:08:28,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:28,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:08:28,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:08:28,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 165 [2021-03-26 15:08:28,274 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 792 places, 882 transitions, 26668 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:28,274 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:28,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 165 [2021-03-26 15:08:28,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:29,716 INFO L129 PetriNetUnfolder]: 922/2295 cut-off events. [2021-03-26 15:08:29,717 INFO L130 PetriNetUnfolder]: For 231408/231412 co-relation queries the response was YES. [2021-03-26 15:08:29,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29286 conditions, 2295 events. 922/2295 cut-off events. For 231408/231412 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 18776 event pairs, 24 based on Foata normal form. 5/1938 useless extension candidates. Maximal degree in co-relation 28953. Up to 1189 conditions per place. [2021-03-26 15:08:29,884 INFO L132 encePairwiseOnDemand]: 145/165 looper letters, 775 selfloop transitions, 103 changer transitions 5/901 dead transitions. [2021-03-26 15:08:29,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 901 transitions, 29346 flow [2021-03-26 15:08:29,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:08:29,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:08:29,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 678 transitions. [2021-03-26 15:08:29,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3424242424242424 [2021-03-26 15:08:29,885 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 678 transitions. [2021-03-26 15:08:29,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 678 transitions. [2021-03-26 15:08:29,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:29,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 678 transitions. [2021-03-26 15:08:29,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 56.5) internal successors, (678), 12 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:29,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 165.0) internal successors, (2145), 13 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:29,887 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 165.0) internal successors, (2145), 13 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:29,887 INFO L185 Difference]: Start difference. First operand has 792 places, 882 transitions, 26668 flow. Second operand 12 states and 678 transitions. [2021-03-26 15:08:29,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 803 places, 901 transitions, 29346 flow [2021-03-26 15:08:31,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 901 transitions, 28380 flow, removed 477 selfloop flow, removed 2 redundant places. [2021-03-26 15:08:31,549 INFO L241 Difference]: Finished difference. Result has 805 places, 886 transitions, 26227 flow [2021-03-26 15:08:31,549 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=25702, PETRI_DIFFERENCE_MINUEND_PLACES=790, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=882, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=781, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=26227, PETRI_PLACES=805, PETRI_TRANSITIONS=886} [2021-03-26 15:08:31,549 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 752 predicate places. [2021-03-26 15:08:31,549 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:31,550 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 805 places, 886 transitions, 26227 flow [2021-03-26 15:08:31,550 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 805 places, 886 transitions, 26227 flow [2021-03-26 15:08:31,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 804 places, 886 transitions, 26227 flow [2021-03-26 15:08:32,118 INFO L129 PetriNetUnfolder]: 846/2150 cut-off events. [2021-03-26 15:08:32,118 INFO L130 PetriNetUnfolder]: For 216137/216173 co-relation queries the response was YES. [2021-03-26 15:08:32,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26528 conditions, 2150 events. 846/2150 cut-off events. For 216137/216173 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 17843 event pairs, 34 based on Foata normal form. 9/1829 useless extension candidates. Maximal degree in co-relation 26193. Up to 410 conditions per place. [2021-03-26 15:08:32,214 INFO L142 LiptonReduction]: Number of co-enabled transitions 4078 [2021-03-26 15:08:32,308 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:32,308 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:32,308 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 759 [2021-03-26 15:08:32,308 INFO L480 AbstractCegarLoop]: Abstraction has has 804 places, 886 transitions, 26227 flow [2021-03-26 15:08:32,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:32,308 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:32,308 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:32,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable281 [2021-03-26 15:08:32,308 INFO L428 AbstractCegarLoop]: === Iteration 283 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:32,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:32,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1657751158, now seen corresponding path program 2 times [2021-03-26 15:08:32,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:32,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084097604] [2021-03-26 15:08:32,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:32,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:32,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:32,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:32,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:32,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:32,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:32,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:32,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:32,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:32,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:32,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:32,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:32,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:32,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:32,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:32,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:32,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:08:32,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:08:32,404 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:08:32,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:32,423 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:32,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:32,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084097604] [2021-03-26 15:08:32,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:32,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:08:32,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264013070] [2021-03-26 15:08:32,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:08:32,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:32,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:08:32,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:08:32,427 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 165 [2021-03-26 15:08:32,427 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 804 places, 886 transitions, 26227 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:32,427 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:32,427 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 165 [2021-03-26 15:08:32,428 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:33,876 INFO L129 PetriNetUnfolder]: 941/2336 cut-off events. [2021-03-26 15:08:33,876 INFO L130 PetriNetUnfolder]: For 240863/240876 co-relation queries the response was YES. [2021-03-26 15:08:33,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30089 conditions, 2336 events. 941/2336 cut-off events. For 240863/240876 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 19139 event pairs, 17 based on Foata normal form. 14/1982 useless extension candidates. Maximal degree in co-relation 29751. Up to 1100 conditions per place. [2021-03-26 15:08:33,940 INFO L132 encePairwiseOnDemand]: 143/165 looper letters, 729 selfloop transitions, 179 changer transitions 0/926 dead transitions. [2021-03-26 15:08:33,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 816 places, 926 transitions, 30624 flow [2021-03-26 15:08:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:08:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:08:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 739 transitions. [2021-03-26 15:08:33,941 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3445221445221445 [2021-03-26 15:08:33,941 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 739 transitions. [2021-03-26 15:08:33,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 739 transitions. [2021-03-26 15:08:33,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:33,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 739 transitions. [2021-03-26 15:08:33,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 56.84615384615385) internal successors, (739), 13 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:33,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 165.0) internal successors, (2310), 14 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:33,943 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 165.0) internal successors, (2310), 14 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:33,943 INFO L185 Difference]: Start difference. First operand has 804 places, 886 transitions, 26227 flow. Second operand 13 states and 739 transitions. [2021-03-26 15:08:33,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 816 places, 926 transitions, 30624 flow [2021-03-26 15:08:35,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 926 transitions, 30178 flow, removed 147 selfloop flow, removed 9 redundant places. [2021-03-26 15:08:35,823 INFO L241 Difference]: Finished difference. Result has 812 places, 907 transitions, 27934 flow [2021-03-26 15:08:35,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=25799, PETRI_DIFFERENCE_MINUEND_PLACES=795, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=886, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=719, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=27934, PETRI_PLACES=812, PETRI_TRANSITIONS=907} [2021-03-26 15:08:35,823 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 759 predicate places. [2021-03-26 15:08:35,823 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:35,823 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 812 places, 907 transitions, 27934 flow [2021-03-26 15:08:35,823 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 812 places, 907 transitions, 27934 flow [2021-03-26 15:08:35,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 812 places, 907 transitions, 27934 flow [2021-03-26 15:08:36,437 INFO L129 PetriNetUnfolder]: 894/2262 cut-off events. [2021-03-26 15:08:36,437 INFO L130 PetriNetUnfolder]: For 237755/237757 co-relation queries the response was YES. [2021-03-26 15:08:36,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28317 conditions, 2262 events. 894/2262 cut-off events. For 237755/237757 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19004 event pairs, 30 based on Foata normal form. 0/1903 useless extension candidates. Maximal degree in co-relation 27980. Up to 424 conditions per place. [2021-03-26 15:08:36,533 INFO L142 LiptonReduction]: Number of co-enabled transitions 4152 [2021-03-26 15:08:36,628 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:36,629 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:36,629 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 806 [2021-03-26 15:08:36,629 INFO L480 AbstractCegarLoop]: Abstraction has has 812 places, 907 transitions, 27934 flow [2021-03-26 15:08:36,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:36,629 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:36,629 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:36,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable282 [2021-03-26 15:08:36,629 INFO L428 AbstractCegarLoop]: === Iteration 284 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:36,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:36,629 INFO L82 PathProgramCache]: Analyzing trace with hash -207611161, now seen corresponding path program 13 times [2021-03-26 15:08:36,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:36,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728153476] [2021-03-26 15:08:36,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:36,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:36,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:36,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:36,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:36,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:36,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:36,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:36,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:36,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:36,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:36,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:36,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:36,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:36,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:36,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:36,712 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:08:36,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:36,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:08:36,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:36,743 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:08:36,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:36,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728153476] [2021-03-26 15:08:36,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:36,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:08:36,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371794830] [2021-03-26 15:08:36,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:08:36,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:36,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:08:36,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:08:36,746 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 165 [2021-03-26 15:08:36,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 812 places, 907 transitions, 27934 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:36,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:36,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 165 [2021-03-26 15:08:36,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:38,398 INFO L129 PetriNetUnfolder]: 955/2382 cut-off events. [2021-03-26 15:08:38,398 INFO L130 PetriNetUnfolder]: For 265984/265990 co-relation queries the response was YES. [2021-03-26 15:08:38,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31597 conditions, 2382 events. 955/2382 cut-off events. For 265984/265990 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 19664 event pairs, 11 based on Foata normal form. 8/2018 useless extension candidates. Maximal degree in co-relation 31257. Up to 1122 conditions per place. [2021-03-26 15:08:38,467 INFO L132 encePairwiseOnDemand]: 142/165 looper letters, 731 selfloop transitions, 189 changer transitions 8/946 dead transitions. [2021-03-26 15:08:38,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 827 places, 946 transitions, 32408 flow [2021-03-26 15:08:38,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:08:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:08:38,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 881 transitions. [2021-03-26 15:08:38,469 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33371212121212124 [2021-03-26 15:08:38,469 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 881 transitions. [2021-03-26 15:08:38,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 881 transitions. [2021-03-26 15:08:38,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:38,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 881 transitions. [2021-03-26 15:08:38,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 55.0625) internal successors, (881), 16 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:38,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:38,471 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 165.0) internal successors, (2805), 17 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:38,471 INFO L185 Difference]: Start difference. First operand has 812 places, 907 transitions, 27934 flow. Second operand 16 states and 881 transitions. [2021-03-26 15:08:38,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 827 places, 946 transitions, 32408 flow [2021-03-26 15:08:40,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 825 places, 946 transitions, 31478 flow, removed 445 selfloop flow, removed 2 redundant places. [2021-03-26 15:08:40,592 INFO L241 Difference]: Finished difference. Result has 831 places, 922 transitions, 29306 flow [2021-03-26 15:08:40,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=27005, PETRI_DIFFERENCE_MINUEND_PLACES=810, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=907, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=730, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=29306, PETRI_PLACES=831, PETRI_TRANSITIONS=922} [2021-03-26 15:08:40,592 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 778 predicate places. [2021-03-26 15:08:40,592 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:40,593 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 831 places, 922 transitions, 29306 flow [2021-03-26 15:08:40,593 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 831 places, 922 transitions, 29306 flow [2021-03-26 15:08:40,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 827 places, 922 transitions, 29306 flow [2021-03-26 15:08:41,257 INFO L129 PetriNetUnfolder]: 902/2290 cut-off events. [2021-03-26 15:08:41,257 INFO L130 PetriNetUnfolder]: For 252379/252381 co-relation queries the response was YES. [2021-03-26 15:08:41,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29525 conditions, 2290 events. 902/2290 cut-off events. For 252379/252381 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 19267 event pairs, 28 based on Foata normal form. 0/1930 useless extension candidates. Maximal degree in co-relation 29182. Up to 441 conditions per place. [2021-03-26 15:08:41,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 4216 [2021-03-26 15:08:41,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:41,446 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:41,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 854 [2021-03-26 15:08:41,446 INFO L480 AbstractCegarLoop]: Abstraction has has 827 places, 922 transitions, 29306 flow [2021-03-26 15:08:41,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:41,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:41,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:41,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable283 [2021-03-26 15:08:41,447 INFO L428 AbstractCegarLoop]: === Iteration 285 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:41,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:41,447 INFO L82 PathProgramCache]: Analyzing trace with hash 2091699957, now seen corresponding path program 7 times [2021-03-26 15:08:41,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:41,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692160497] [2021-03-26 15:08:41,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:41,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:41,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:41,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:41,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:41,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:41,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:41,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:41,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:41,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:41,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:41,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:41,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:41,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:41,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:41,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:41,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:41,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:41,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:41,550 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:08:41,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:41,567 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:41,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:41,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692160497] [2021-03-26 15:08:41,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:41,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:08:41,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990454108] [2021-03-26 15:08:41,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:08:41,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:41,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:08:41,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:08:41,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 165 [2021-03-26 15:08:41,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 922 transitions, 29306 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:41,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:41,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 165 [2021-03-26 15:08:41,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:43,262 INFO L129 PetriNetUnfolder]: 957/2386 cut-off events. [2021-03-26 15:08:43,262 INFO L130 PetriNetUnfolder]: For 258734/258738 co-relation queries the response was YES. [2021-03-26 15:08:43,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31621 conditions, 2386 events. 957/2386 cut-off events. For 258734/258738 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 19690 event pairs, 28 based on Foata normal form. 6/2015 useless extension candidates. Maximal degree in co-relation 31275. Up to 1239 conditions per place. [2021-03-26 15:08:43,333 INFO L132 encePairwiseOnDemand]: 149/165 looper letters, 829 selfloop transitions, 82 changer transitions 8/937 dead transitions. [2021-03-26 15:08:43,333 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 937 transitions, 31676 flow [2021-03-26 15:08:43,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:08:43,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:08:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 826 transitions. [2021-03-26 15:08:43,335 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3337373737373737 [2021-03-26 15:08:43,335 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 826 transitions. [2021-03-26 15:08:43,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 826 transitions. [2021-03-26 15:08:43,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:43,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 826 transitions. [2021-03-26 15:08:43,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 55.06666666666667) internal successors, (826), 15 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:43,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:43,337 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:43,337 INFO L185 Difference]: Start difference. First operand has 827 places, 922 transitions, 29306 flow. Second operand 15 states and 826 transitions. [2021-03-26 15:08:43,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 841 places, 937 transitions, 31676 flow [2021-03-26 15:08:45,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 831 places, 937 transitions, 30472 flow, removed 554 selfloop flow, removed 10 redundant places. [2021-03-26 15:08:45,655 INFO L241 Difference]: Finished difference. Result has 833 places, 918 transitions, 28496 flow [2021-03-26 15:08:45,656 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=28104, PETRI_DIFFERENCE_MINUEND_PLACES=817, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=922, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=841, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=28496, PETRI_PLACES=833, PETRI_TRANSITIONS=918} [2021-03-26 15:08:45,656 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 780 predicate places. [2021-03-26 15:08:45,656 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:45,656 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 833 places, 918 transitions, 28496 flow [2021-03-26 15:08:45,656 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 833 places, 918 transitions, 28496 flow [2021-03-26 15:08:45,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 830 places, 918 transitions, 28496 flow [2021-03-26 15:08:46,405 INFO L129 PetriNetUnfolder]: 895/2263 cut-off events. [2021-03-26 15:08:46,406 INFO L130 PetriNetUnfolder]: For 241713/241716 co-relation queries the response was YES. [2021-03-26 15:08:46,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28737 conditions, 2263 events. 895/2263 cut-off events. For 241713/241716 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 19054 event pairs, 30 based on Foata normal form. 1/1910 useless extension candidates. Maximal degree in co-relation 28395. Up to 431 conditions per place. [2021-03-26 15:08:46,496 INFO L142 LiptonReduction]: Number of co-enabled transitions 4178 [2021-03-26 15:08:46,586 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:46,587 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:46,587 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 931 [2021-03-26 15:08:46,587 INFO L480 AbstractCegarLoop]: Abstraction has has 830 places, 918 transitions, 28496 flow [2021-03-26 15:08:46,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:46,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:46,587 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:46,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable284 [2021-03-26 15:08:46,587 INFO L428 AbstractCegarLoop]: === Iteration 286 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:46,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:46,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1639630450, now seen corresponding path program 3 times [2021-03-26 15:08:46,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:46,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345424875] [2021-03-26 15:08:46,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:46,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:46,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:46,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:46,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:46,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:46,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:46,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:46,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:46,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:46,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:46,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:46,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:08:46,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:46,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:46,640 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:08:46,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:08:46,643 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:08:46,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:08:46,655 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:08:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:46,669 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:46,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:46,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345424875] [2021-03-26 15:08:46,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:46,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:08:46,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390228333] [2021-03-26 15:08:46,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:08:46,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:46,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:08:46,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:08:46,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 165 [2021-03-26 15:08:46,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 830 places, 918 transitions, 28496 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:46,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:46,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 165 [2021-03-26 15:08:46,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:48,171 INFO L129 PetriNetUnfolder]: 950/2363 cut-off events. [2021-03-26 15:08:48,171 INFO L130 PetriNetUnfolder]: For 251646/251650 co-relation queries the response was YES. [2021-03-26 15:08:48,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30881 conditions, 2363 events. 950/2363 cut-off events. For 251646/251650 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 19470 event pairs, 26 based on Foata normal form. 5/1997 useless extension candidates. Maximal degree in co-relation 30536. Up to 1241 conditions per place. [2021-03-26 15:08:48,243 INFO L132 encePairwiseOnDemand]: 146/165 looper letters, 816 selfloop transitions, 94 changer transitions 2/930 dead transitions. [2021-03-26 15:08:48,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 839 places, 930 transitions, 30869 flow [2021-03-26 15:08:48,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:08:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:08:48,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 574 transitions. [2021-03-26 15:08:48,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3478787878787879 [2021-03-26 15:08:48,245 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 574 transitions. [2021-03-26 15:08:48,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 574 transitions. [2021-03-26 15:08:48,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:48,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 574 transitions. [2021-03-26 15:08:48,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 57.4) internal successors, (574), 10 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:48,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 165.0) internal successors, (1815), 11 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:48,246 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 165.0) internal successors, (1815), 11 states have internal predecessors, (1815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:48,246 INFO L185 Difference]: Start difference. First operand has 830 places, 918 transitions, 28496 flow. Second operand 10 states and 574 transitions. [2021-03-26 15:08:48,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 839 places, 930 transitions, 30869 flow [2021-03-26 15:08:50,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 824 places, 930 transitions, 30327 flow, removed 198 selfloop flow, removed 15 redundant places. [2021-03-26 15:08:50,433 INFO L241 Difference]: Finished difference. Result has 827 places, 921 transitions, 28541 flow [2021-03-26 15:08:50,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=27958, PETRI_DIFFERENCE_MINUEND_PLACES=815, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=825, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=28541, PETRI_PLACES=827, PETRI_TRANSITIONS=921} [2021-03-26 15:08:50,433 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 774 predicate places. [2021-03-26 15:08:50,433 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:50,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 827 places, 921 transitions, 28541 flow [2021-03-26 15:08:50,434 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 827 places, 921 transitions, 28541 flow [2021-03-26 15:08:50,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 827 places, 921 transitions, 28541 flow [2021-03-26 15:08:51,066 INFO L129 PetriNetUnfolder]: 888/2250 cut-off events. [2021-03-26 15:08:51,067 INFO L130 PetriNetUnfolder]: For 244789/244791 co-relation queries the response was YES. [2021-03-26 15:08:51,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28763 conditions, 2250 events. 888/2250 cut-off events. For 244789/244791 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 18911 event pairs, 30 based on Foata normal form. 0/1903 useless extension candidates. Maximal degree in co-relation 28422. Up to 429 conditions per place. [2021-03-26 15:08:51,164 INFO L142 LiptonReduction]: Number of co-enabled transitions 4194 [2021-03-26 15:08:51,260 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:51,260 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:08:51,260 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 827 [2021-03-26 15:08:51,260 INFO L480 AbstractCegarLoop]: Abstraction has has 827 places, 921 transitions, 28541 flow [2021-03-26 15:08:51,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:51,260 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:51,260 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:51,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285 [2021-03-26 15:08:51,260 INFO L428 AbstractCegarLoop]: === Iteration 287 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:51,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:51,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1822760067, now seen corresponding path program 14 times [2021-03-26 15:08:51,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:51,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818149598] [2021-03-26 15:08:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:51,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:51,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:51,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:51,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:51,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:51,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:51,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:51,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:51,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:51,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:51,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:51,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:51,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:51,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:51,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:51,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:51,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:51,360 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:08:51,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:51,376 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:51,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:51,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818149598] [2021-03-26 15:08:51,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:51,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:08:51,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507774135] [2021-03-26 15:08:51,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:08:51,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:51,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:08:51,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:08:51,379 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 165 [2021-03-26 15:08:51,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 921 transitions, 28541 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:51,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:51,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 165 [2021-03-26 15:08:51,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:52,894 INFO L129 PetriNetUnfolder]: 942/2351 cut-off events. [2021-03-26 15:08:52,895 INFO L130 PetriNetUnfolder]: For 251266/251281 co-relation queries the response was YES. [2021-03-26 15:08:52,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30838 conditions, 2351 events. 942/2351 cut-off events. For 251266/251281 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 19344 event pairs, 17 based on Foata normal form. 16/2003 useless extension candidates. Maximal degree in co-relation 30494. Up to 1229 conditions per place. [2021-03-26 15:08:52,960 INFO L132 encePairwiseOnDemand]: 147/165 looper letters, 797 selfloop transitions, 115 changer transitions 5/935 dead transitions. [2021-03-26 15:08:52,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 935 transitions, 30916 flow [2021-03-26 15:08:52,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:08:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:08:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 813 transitions. [2021-03-26 15:08:52,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3284848484848485 [2021-03-26 15:08:52,961 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 813 transitions. [2021-03-26 15:08:52,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 813 transitions. [2021-03-26 15:08:52,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:52,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 813 transitions. [2021-03-26 15:08:52,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.2) internal successors, (813), 15 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:52,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:52,963 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 165.0) internal successors, (2640), 16 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:52,963 INFO L185 Difference]: Start difference. First operand has 827 places, 921 transitions, 28541 flow. Second operand 15 states and 813 transitions. [2021-03-26 15:08:52,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 841 places, 935 transitions, 30916 flow [2021-03-26 15:08:55,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 834 places, 935 transitions, 30493 flow, removed 151 selfloop flow, removed 7 redundant places. [2021-03-26 15:08:55,153 INFO L241 Difference]: Finished difference. Result has 839 places, 921 transitions, 28468 flow [2021-03-26 15:08:55,153 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=165, PETRI_DIFFERENCE_MINUEND_FLOW=28124, PETRI_DIFFERENCE_MINUEND_PLACES=820, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=921, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=806, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=28468, PETRI_PLACES=839, PETRI_TRANSITIONS=921} [2021-03-26 15:08:55,154 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 786 predicate places. [2021-03-26 15:08:55,154 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:08:55,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 839 places, 921 transitions, 28468 flow [2021-03-26 15:08:55,154 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 839 places, 921 transitions, 28468 flow [2021-03-26 15:08:55,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 838 places, 921 transitions, 28468 flow [2021-03-26 15:08:55,825 INFO L129 PetriNetUnfolder]: 883/2243 cut-off events. [2021-03-26 15:08:55,825 INFO L130 PetriNetUnfolder]: For 235616/235618 co-relation queries the response was YES. [2021-03-26 15:08:55,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28700 conditions, 2243 events. 883/2243 cut-off events. For 235616/235618 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 18888 event pairs, 30 based on Foata normal form. 0/1899 useless extension candidates. Maximal degree in co-relation 28355. Up to 428 conditions per place. [2021-03-26 15:08:55,924 INFO L142 LiptonReduction]: Number of co-enabled transitions 4194 [2021-03-26 15:08:56,182 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:08:56,182 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:08:56,182 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1028 [2021-03-26 15:08:56,182 INFO L480 AbstractCegarLoop]: Abstraction has has 838 places, 921 transitions, 28513 flow [2021-03-26 15:08:56,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:56,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:08:56,182 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:08:56,182 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286 [2021-03-26 15:08:56,182 INFO L428 AbstractCegarLoop]: === Iteration 288 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:08:56,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:08:56,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1130998027, now seen corresponding path program 5 times [2021-03-26 15:08:56,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:08:56,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919854434] [2021-03-26 15:08:56,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:08:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:08:56,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:56,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:08:56,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:56,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:56,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:56,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:08:56,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:56,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:56,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:56,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:56,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:56,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:56,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:56,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:56,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:56,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:56,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:08:56,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:08:56,281 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:08:56,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:08:56,297 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:08:56,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:08:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:08:56,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919854434] [2021-03-26 15:08:56,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:08:56,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:08:56,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431947510] [2021-03-26 15:08:56,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:08:56,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:08:56,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:08:56,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:08:56,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 166 [2021-03-26 15:08:56,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 838 places, 921 transitions, 28513 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:56,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:08:56,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 166 [2021-03-26 15:08:56,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:08:57,958 INFO L129 PetriNetUnfolder]: 962/2406 cut-off events. [2021-03-26 15:08:57,959 INFO L130 PetriNetUnfolder]: For 249703/249714 co-relation queries the response was YES. [2021-03-26 15:08:58,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31227 conditions, 2406 events. 962/2406 cut-off events. For 249703/249714 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 19955 event pairs, 26 based on Foata normal form. 12/2036 useless extension candidates. Maximal degree in co-relation 30879. Up to 1257 conditions per place. [2021-03-26 15:08:58,024 INFO L132 encePairwiseOnDemand]: 150/166 looper letters, 858 selfloop transitions, 71 changer transitions 0/947 dead transitions. [2021-03-26 15:08:58,024 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 852 places, 947 transitions, 31290 flow [2021-03-26 15:08:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:08:58,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:08:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 817 transitions. [2021-03-26 15:08:58,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3281124497991968 [2021-03-26 15:08:58,026 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 817 transitions. [2021-03-26 15:08:58,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 817 transitions. [2021-03-26 15:08:58,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:08:58,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 817 transitions. [2021-03-26 15:08:58,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.46666666666667) internal successors, (817), 15 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:58,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 166.0) internal successors, (2656), 16 states have internal predecessors, (2656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:58,027 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 166.0) internal successors, (2656), 16 states have internal predecessors, (2656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:08:58,028 INFO L185 Difference]: Start difference. First operand has 838 places, 921 transitions, 28513 flow. Second operand 15 states and 817 transitions. [2021-03-26 15:08:58,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 852 places, 947 transitions, 31290 flow [2021-03-26 15:09:00,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 947 transitions, 30905 flow, removed 39 selfloop flow, removed 16 redundant places. [2021-03-26 15:09:00,232 INFO L241 Difference]: Finished difference. Result has 841 places, 932 transitions, 28959 flow [2021-03-26 15:09:00,232 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=28132, PETRI_DIFFERENCE_MINUEND_PLACES=822, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=921, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=851, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=28959, PETRI_PLACES=841, PETRI_TRANSITIONS=932} [2021-03-26 15:09:00,232 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 788 predicate places. [2021-03-26 15:09:00,232 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:00,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 841 places, 932 transitions, 28959 flow [2021-03-26 15:09:00,233 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 841 places, 932 transitions, 28959 flow [2021-03-26 15:09:00,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 841 places, 932 transitions, 28959 flow [2021-03-26 15:09:00,861 INFO L129 PetriNetUnfolder]: 891/2271 cut-off events. [2021-03-26 15:09:00,861 INFO L130 PetriNetUnfolder]: For 251266/251303 co-relation queries the response was YES. [2021-03-26 15:09:00,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28875 conditions, 2271 events. 891/2271 cut-off events. For 251266/251303 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 19140 event pairs, 31 based on Foata normal form. 7/1928 useless extension candidates. Maximal degree in co-relation 28529. Up to 437 conditions per place. [2021-03-26 15:09:00,958 INFO L142 LiptonReduction]: Number of co-enabled transitions 4296 [2021-03-26 15:09:01,060 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:01,060 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:01,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 828 [2021-03-26 15:09:01,061 INFO L480 AbstractCegarLoop]: Abstraction has has 841 places, 932 transitions, 28959 flow [2021-03-26 15:09:01,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:01,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:01,061 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:01,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable287 [2021-03-26 15:09:01,061 INFO L428 AbstractCegarLoop]: === Iteration 289 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:01,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:01,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2108825306, now seen corresponding path program 1 times [2021-03-26 15:09:01,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:01,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627121144] [2021-03-26 15:09:01,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:01,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:01,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:01,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:01,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:01,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:01,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:01,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:01,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:01,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:01,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:01,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:01,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:01,141 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:09:01,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:09:01,144 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:09:01,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:09:01,161 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:09:01,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:01,180 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:01,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:01,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627121144] [2021-03-26 15:09:01,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:01,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:09:01,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964052016] [2021-03-26 15:09:01,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:09:01,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:01,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:09:01,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:09:01,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 166 [2021-03-26 15:09:01,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 841 places, 932 transitions, 28959 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:01,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:01,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 166 [2021-03-26 15:09:01,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:02,717 INFO L129 PetriNetUnfolder]: 966/2425 cut-off events. [2021-03-26 15:09:02,717 INFO L130 PetriNetUnfolder]: For 255796/255802 co-relation queries the response was YES. [2021-03-26 15:09:02,767 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31280 conditions, 2425 events. 966/2425 cut-off events. For 255796/255802 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 20195 event pairs, 22 based on Foata normal form. 7/2046 useless extension candidates. Maximal degree in co-relation 30931. Up to 1294 conditions per place. [2021-03-26 15:09:02,779 INFO L132 encePairwiseOnDemand]: 148/166 looper letters, 882 selfloop transitions, 40 changer transitions 2/942 dead transitions. [2021-03-26 15:09:02,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 852 places, 942 transitions, 31114 flow [2021-03-26 15:09:02,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:09:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:09:02,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 653 transitions. [2021-03-26 15:09:02,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3278112449799197 [2021-03-26 15:09:02,781 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 653 transitions. [2021-03-26 15:09:02,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 653 transitions. [2021-03-26 15:09:02,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:02,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 653 transitions. [2021-03-26 15:09:02,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.416666666666664) internal successors, (653), 12 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:02,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 166.0) internal successors, (2158), 13 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:02,782 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 166.0) internal successors, (2158), 13 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:02,782 INFO L185 Difference]: Start difference. First operand has 841 places, 932 transitions, 28959 flow. Second operand 12 states and 653 transitions. [2021-03-26 15:09:02,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 852 places, 942 transitions, 31114 flow [2021-03-26 15:09:04,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 845 places, 942 transitions, 30798 flow, removed 138 selfloop flow, removed 7 redundant places. [2021-03-26 15:09:04,890 INFO L241 Difference]: Finished difference. Result has 848 places, 934 transitions, 28833 flow [2021-03-26 15:09:04,890 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=28643, PETRI_DIFFERENCE_MINUEND_PLACES=834, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=932, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=892, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=28833, PETRI_PLACES=848, PETRI_TRANSITIONS=934} [2021-03-26 15:09:04,890 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 795 predicate places. [2021-03-26 15:09:04,890 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:04,890 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 848 places, 934 transitions, 28833 flow [2021-03-26 15:09:04,891 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 848 places, 934 transitions, 28833 flow [2021-03-26 15:09:04,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 847 places, 934 transitions, 28833 flow [2021-03-26 15:09:05,519 INFO L129 PetriNetUnfolder]: 893/2280 cut-off events. [2021-03-26 15:09:05,519 INFO L130 PetriNetUnfolder]: For 245575/245610 co-relation queries the response was YES. [2021-03-26 15:09:05,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28924 conditions, 2280 events. 893/2280 cut-off events. For 245575/245610 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 19255 event pairs, 32 based on Foata normal form. 5/1932 useless extension candidates. Maximal degree in co-relation 28574. Up to 435 conditions per place. [2021-03-26 15:09:05,621 INFO L142 LiptonReduction]: Number of co-enabled transitions 4296 [2021-03-26 15:09:05,722 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:05,722 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:05,722 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 832 [2021-03-26 15:09:05,723 INFO L480 AbstractCegarLoop]: Abstraction has has 847 places, 934 transitions, 28833 flow [2021-03-26 15:09:05,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:05,723 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:05,723 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:05,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable288 [2021-03-26 15:09:05,723 INFO L428 AbstractCegarLoop]: === Iteration 290 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:05,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:05,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1886053170, now seen corresponding path program 2 times [2021-03-26 15:09:05,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:05,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514708583] [2021-03-26 15:09:05,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:05,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:05,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:05,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:05,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:05,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:05,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:05,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:05,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:05,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:05,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:05,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:05,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:05,782 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:09:05,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:09:05,784 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:09:05,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:09:05,797 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:09:05,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:05,814 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:05,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:05,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514708583] [2021-03-26 15:09:05,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:05,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:09:05,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621668939] [2021-03-26 15:09:05,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:09:05,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:05,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:09:05,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:09:05,817 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 166 [2021-03-26 15:09:05,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 847 places, 934 transitions, 28833 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:05,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:05,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 166 [2021-03-26 15:09:05,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:07,260 INFO L129 PetriNetUnfolder]: 967/2428 cut-off events. [2021-03-26 15:09:07,261 INFO L130 PetriNetUnfolder]: For 249301/249305 co-relation queries the response was YES. [2021-03-26 15:09:07,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31136 conditions, 2428 events. 967/2428 cut-off events. For 249301/249305 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 20249 event pairs, 26 based on Foata normal form. 5/2045 useless extension candidates. Maximal degree in co-relation 30783. Up to 1292 conditions per place. [2021-03-26 15:09:07,452 INFO L132 encePairwiseOnDemand]: 147/166 looper letters, 881 selfloop transitions, 38 changer transitions 4/941 dead transitions. [2021-03-26 15:09:07,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 858 places, 941 transitions, 30792 flow [2021-03-26 15:09:07,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:09:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:09:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 652 transitions. [2021-03-26 15:09:07,453 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3273092369477912 [2021-03-26 15:09:07,453 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 652 transitions. [2021-03-26 15:09:07,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 652 transitions. [2021-03-26 15:09:07,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:07,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 652 transitions. [2021-03-26 15:09:07,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.333333333333336) internal successors, (652), 12 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:07,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 166.0) internal successors, (2158), 13 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:07,455 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 166.0) internal successors, (2158), 13 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:07,455 INFO L185 Difference]: Start difference. First operand has 847 places, 934 transitions, 28833 flow. Second operand 12 states and 652 transitions. [2021-03-26 15:09:07,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 858 places, 941 transitions, 30792 flow [2021-03-26 15:09:09,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 849 places, 941 transitions, 30689 flow, removed 19 selfloop flow, removed 9 redundant places. [2021-03-26 15:09:09,449 INFO L241 Difference]: Finished difference. Result has 851 places, 931 transitions, 28706 flow [2021-03-26 15:09:09,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=28730, PETRI_DIFFERENCE_MINUEND_PLACES=838, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=934, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=896, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=28706, PETRI_PLACES=851, PETRI_TRANSITIONS=931} [2021-03-26 15:09:09,449 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 798 predicate places. [2021-03-26 15:09:09,449 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:09,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 851 places, 931 transitions, 28706 flow [2021-03-26 15:09:09,449 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 851 places, 931 transitions, 28706 flow [2021-03-26 15:09:09,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 850 places, 931 transitions, 28706 flow [2021-03-26 15:09:10,086 INFO L129 PetriNetUnfolder]: 896/2286 cut-off events. [2021-03-26 15:09:10,086 INFO L130 PetriNetUnfolder]: For 243136/243139 co-relation queries the response was YES. [2021-03-26 15:09:10,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28977 conditions, 2286 events. 896/2286 cut-off events. For 243136/243139 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 19224 event pairs, 31 based on Foata normal form. 1/1933 useless extension candidates. Maximal degree in co-relation 28626. Up to 434 conditions per place. [2021-03-26 15:09:10,186 INFO L142 LiptonReduction]: Number of co-enabled transitions 4296 [2021-03-26 15:09:10,288 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:10,288 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:10,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 839 [2021-03-26 15:09:10,288 INFO L480 AbstractCegarLoop]: Abstraction has has 850 places, 931 transitions, 28706 flow [2021-03-26 15:09:10,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:10,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:10,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:10,288 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable289 [2021-03-26 15:09:10,288 INFO L428 AbstractCegarLoop]: === Iteration 291 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:10,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:10,289 INFO L82 PathProgramCache]: Analyzing trace with hash 505553959, now seen corresponding path program 15 times [2021-03-26 15:09:10,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:10,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768242686] [2021-03-26 15:09:10,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:10,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:10,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:10,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:10,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:10,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:10,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:10,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:10,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:10,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:10,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:10,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:10,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:10,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:10,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:10,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:10,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:10,404 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:09:10,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:09:10,418 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:09:10,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:10,434 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:10,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:10,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768242686] [2021-03-26 15:09:10,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:10,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:09:10,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789457621] [2021-03-26 15:09:10,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:09:10,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:10,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:09:10,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:09:10,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 166 [2021-03-26 15:09:10,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 850 places, 931 transitions, 28706 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:10,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:10,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 166 [2021-03-26 15:09:10,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:11,995 INFO L129 PetriNetUnfolder]: 969/2435 cut-off events. [2021-03-26 15:09:11,995 INFO L130 PetriNetUnfolder]: For 243352/243356 co-relation queries the response was YES. [2021-03-26 15:09:12,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31092 conditions, 2435 events. 969/2435 cut-off events. For 243352/243356 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 20314 event pairs, 28 based on Foata normal form. 5/2049 useless extension candidates. Maximal degree in co-relation 30738. Up to 1287 conditions per place. [2021-03-26 15:09:12,072 INFO L132 encePairwiseOnDemand]: 148/166 looper letters, 868 selfloop transitions, 50 changer transitions 2/938 dead transitions. [2021-03-26 15:09:12,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 938 transitions, 30698 flow [2021-03-26 15:09:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:09:12,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:09:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 852 transitions. [2021-03-26 15:09:12,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3207831325301205 [2021-03-26 15:09:12,074 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 852 transitions. [2021-03-26 15:09:12,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 852 transitions. [2021-03-26 15:09:12,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:12,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 852 transitions. [2021-03-26 15:09:12,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.25) internal successors, (852), 16 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:12,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 166.0) internal successors, (2822), 17 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:12,075 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 166.0) internal successors, (2822), 17 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:12,076 INFO L185 Difference]: Start difference. First operand has 850 places, 931 transitions, 28706 flow. Second operand 16 states and 852 transitions. [2021-03-26 15:09:12,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 938 transitions, 30698 flow [2021-03-26 15:09:14,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 850 places, 938 transitions, 30585 flow, removed 6 selfloop flow, removed 15 redundant places. [2021-03-26 15:09:14,295 INFO L241 Difference]: Finished difference. Result has 852 places, 930 transitions, 28637 flow [2021-03-26 15:09:14,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=166, PETRI_DIFFERENCE_MINUEND_FLOW=28593, PETRI_DIFFERENCE_MINUEND_PLACES=835, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=931, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=881, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28637, PETRI_PLACES=852, PETRI_TRANSITIONS=930} [2021-03-26 15:09:14,295 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 799 predicate places. [2021-03-26 15:09:14,295 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:14,295 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 852 places, 930 transitions, 28637 flow [2021-03-26 15:09:14,295 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 852 places, 930 transitions, 28637 flow [2021-03-26 15:09:14,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 851 places, 930 transitions, 28637 flow [2021-03-26 15:09:14,913 INFO L129 PetriNetUnfolder]: 886/2262 cut-off events. [2021-03-26 15:09:14,913 INFO L130 PetriNetUnfolder]: For 243524/243527 co-relation queries the response was YES. [2021-03-26 15:09:14,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28925 conditions, 2262 events. 886/2262 cut-off events. For 243524/243527 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 19043 event pairs, 32 based on Foata normal form. 1/1918 useless extension candidates. Maximal degree in co-relation 28576. Up to 434 conditions per place. [2021-03-26 15:09:15,010 INFO L142 LiptonReduction]: Number of co-enabled transitions 4296 [2021-03-26 15:09:15,272 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:15,272 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:09:15,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 978 [2021-03-26 15:09:15,273 INFO L480 AbstractCegarLoop]: Abstraction has has 851 places, 930 transitions, 28715 flow [2021-03-26 15:09:15,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:15,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:15,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:15,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable290 [2021-03-26 15:09:15,273 INFO L428 AbstractCegarLoop]: === Iteration 292 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:15,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:15,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1635305126, now seen corresponding path program 4 times [2021-03-26 15:09:15,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:15,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955104205] [2021-03-26 15:09:15,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:15,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:15,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:15,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:15,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:15,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:15,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:15,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:15,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:15,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:15,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:15,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:15,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:09:15,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:15,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:15,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:15,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:15,334 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:09:15,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:15,346 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:09:15,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:15,361 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:09:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:15,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955104205] [2021-03-26 15:09:15,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:15,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:09:15,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869517187] [2021-03-26 15:09:15,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:09:15,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:15,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:09:15,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:09:15,364 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 167 [2021-03-26 15:09:15,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 851 places, 930 transitions, 28715 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:15,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:15,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 167 [2021-03-26 15:09:15,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:16,964 INFO L129 PetriNetUnfolder]: 961/2429 cut-off events. [2021-03-26 15:09:16,965 INFO L130 PetriNetUnfolder]: For 247768/247774 co-relation queries the response was YES. [2021-03-26 15:09:17,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31156 conditions, 2429 events. 961/2429 cut-off events. For 247768/247774 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 20255 event pairs, 23 based on Foata normal form. 7/2054 useless extension candidates. Maximal degree in co-relation 30804. Up to 1187 conditions per place. [2021-03-26 15:09:17,035 INFO L132 encePairwiseOnDemand]: 146/167 looper letters, 789 selfloop transitions, 146 changer transitions 0/953 dead transitions. [2021-03-26 15:09:17,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 861 places, 953 transitions, 31033 flow [2021-03-26 15:09:17,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:09:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:09:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 632 transitions. [2021-03-26 15:09:17,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34403919433859553 [2021-03-26 15:09:17,036 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 632 transitions. [2021-03-26 15:09:17,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 632 transitions. [2021-03-26 15:09:17,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:17,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 632 transitions. [2021-03-26 15:09:17,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.45454545454545) internal successors, (632), 11 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:17,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 167.0) internal successors, (2004), 12 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:17,037 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 167.0) internal successors, (2004), 12 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:17,037 INFO L185 Difference]: Start difference. First operand has 851 places, 930 transitions, 28715 flow. Second operand 11 states and 632 transitions. [2021-03-26 15:09:17,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 861 places, 953 transitions, 31033 flow [2021-03-26 15:09:19,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 846 places, 953 transitions, 30870 flow, removed 24 selfloop flow, removed 15 redundant places. [2021-03-26 15:09:19,228 INFO L241 Difference]: Finished difference. Result has 849 places, 941 transitions, 29248 flow [2021-03-26 15:09:19,228 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=28552, PETRI_DIFFERENCE_MINUEND_PLACES=836, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=930, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=786, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=29248, PETRI_PLACES=849, PETRI_TRANSITIONS=941} [2021-03-26 15:09:19,228 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 796 predicate places. [2021-03-26 15:09:19,228 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:19,228 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 849 places, 941 transitions, 29248 flow [2021-03-26 15:09:19,228 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 849 places, 941 transitions, 29248 flow [2021-03-26 15:09:19,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 849 places, 941 transitions, 29248 flow [2021-03-26 15:09:19,862 INFO L129 PetriNetUnfolder]: 900/2312 cut-off events. [2021-03-26 15:09:19,862 INFO L130 PetriNetUnfolder]: For 248734/248760 co-relation queries the response was YES. [2021-03-26 15:09:19,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29247 conditions, 2312 events. 900/2312 cut-off events. For 248734/248760 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 19696 event pairs, 29 based on Foata normal form. 4/1957 useless extension candidates. Maximal degree in co-relation 28897. Up to 434 conditions per place. [2021-03-26 15:09:19,962 INFO L142 LiptonReduction]: Number of co-enabled transitions 4376 [2021-03-26 15:09:20,062 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:20,062 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:20,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 834 [2021-03-26 15:09:20,062 INFO L480 AbstractCegarLoop]: Abstraction has has 849 places, 941 transitions, 29248 flow [2021-03-26 15:09:20,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:20,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:20,063 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:20,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable291 [2021-03-26 15:09:20,063 INFO L428 AbstractCegarLoop]: === Iteration 293 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:20,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:20,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1142114194, now seen corresponding path program 1 times [2021-03-26 15:09:20,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:20,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154233473] [2021-03-26 15:09:20,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:20,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:20,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:20,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:20,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:20,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:20,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:20,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:20,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:20,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:20,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:20,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:20,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:20,123 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:09:20,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:20,136 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:20,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:20,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154233473] [2021-03-26 15:09:20,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:20,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:09:20,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937321489] [2021-03-26 15:09:20,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:09:20,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:20,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:09:20,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:09:20,139 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 167 [2021-03-26 15:09:20,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 849 places, 941 transitions, 29248 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:20,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:20,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 167 [2021-03-26 15:09:20,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:21,559 INFO L129 PetriNetUnfolder]: 967/2447 cut-off events. [2021-03-26 15:09:21,559 INFO L130 PetriNetUnfolder]: For 254109/254115 co-relation queries the response was YES. [2021-03-26 15:09:21,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31464 conditions, 2447 events. 967/2447 cut-off events. For 254109/254115 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 20509 event pairs, 23 based on Foata normal form. 7/2065 useless extension candidates. Maximal degree in co-relation 31111. Up to 1279 conditions per place. [2021-03-26 15:09:21,630 INFO L132 encePairwiseOnDemand]: 148/167 looper letters, 856 selfloop transitions, 77 changer transitions 0/951 dead transitions. [2021-03-26 15:09:21,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 858 places, 951 transitions, 31450 flow [2021-03-26 15:09:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:09:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:09:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 566 transitions. [2021-03-26 15:09:21,631 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3389221556886228 [2021-03-26 15:09:21,631 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 566 transitions. [2021-03-26 15:09:21,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 566 transitions. [2021-03-26 15:09:21,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:21,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 566 transitions. [2021-03-26 15:09:21,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.6) internal successors, (566), 10 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:21,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 167.0) internal successors, (1837), 11 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:21,633 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 167.0) internal successors, (1837), 11 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:21,633 INFO L185 Difference]: Start difference. First operand has 849 places, 941 transitions, 29248 flow. Second operand 10 states and 566 transitions. [2021-03-26 15:09:21,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 858 places, 951 transitions, 31450 flow [2021-03-26 15:09:23,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 854 places, 951 transitions, 31175 flow, removed 55 selfloop flow, removed 4 redundant places. [2021-03-26 15:09:23,821 INFO L241 Difference]: Finished difference. Result has 857 places, 944 transitions, 29472 flow [2021-03-26 15:09:23,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=28973, PETRI_DIFFERENCE_MINUEND_PLACES=845, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=941, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=865, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=29472, PETRI_PLACES=857, PETRI_TRANSITIONS=944} [2021-03-26 15:09:23,822 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 804 predicate places. [2021-03-26 15:09:23,822 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:23,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 857 places, 944 transitions, 29472 flow [2021-03-26 15:09:23,822 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 857 places, 944 transitions, 29472 flow [2021-03-26 15:09:23,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 857 places, 944 transitions, 29472 flow [2021-03-26 15:09:24,484 INFO L129 PetriNetUnfolder]: 913/2355 cut-off events. [2021-03-26 15:09:24,484 INFO L130 PetriNetUnfolder]: For 253910/253912 co-relation queries the response was YES. [2021-03-26 15:09:24,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29584 conditions, 2355 events. 913/2355 cut-off events. For 253910/253912 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 20150 event pairs, 28 based on Foata normal form. 0/1983 useless extension candidates. Maximal degree in co-relation 29230. Up to 435 conditions per place. [2021-03-26 15:09:24,585 INFO L142 LiptonReduction]: Number of co-enabled transitions 4410 [2021-03-26 15:09:24,840 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:09:24,841 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:09:24,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1019 [2021-03-26 15:09:24,841 INFO L480 AbstractCegarLoop]: Abstraction has has 857 places, 944 transitions, 29575 flow [2021-03-26 15:09:24,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:24,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:24,841 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:24,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable292 [2021-03-26 15:09:24,841 INFO L428 AbstractCegarLoop]: === Iteration 294 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:24,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:24,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1206959336, now seen corresponding path program 2 times [2021-03-26 15:09:24,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:24,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095278808] [2021-03-26 15:09:24,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:24,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:24,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:24,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:24,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:24,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:24,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:24,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:24,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:24,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:24,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:24,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:24,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:24,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:24,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:24,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:24,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:24,913 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:09:24,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:24,928 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:24,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:24,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095278808] [2021-03-26 15:09:24,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:24,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:09:24,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403267327] [2021-03-26 15:09:24,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:09:24,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:24,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:09:24,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:09:24,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 15:09:24,931 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 857 places, 944 transitions, 29575 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:24,931 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:24,931 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 15:09:24,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:26,501 INFO L129 PetriNetUnfolder]: 975/2489 cut-off events. [2021-03-26 15:09:26,501 INFO L130 PetriNetUnfolder]: For 267348/267352 co-relation queries the response was YES. [2021-03-26 15:09:26,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32182 conditions, 2489 events. 975/2489 cut-off events. For 267348/267352 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 21086 event pairs, 26 based on Foata normal form. 5/2097 useless extension candidates. Maximal degree in co-relation 31825. Up to 1288 conditions per place. [2021-03-26 15:09:26,575 INFO L132 encePairwiseOnDemand]: 152/168 looper letters, 890 selfloop transitions, 60 changer transitions 0/968 dead transitions. [2021-03-26 15:09:26,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 869 places, 968 transitions, 32642 flow [2021-03-26 15:09:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:09:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:09:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 712 transitions. [2021-03-26 15:09:26,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.326007326007326 [2021-03-26 15:09:26,576 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 712 transitions. [2021-03-26 15:09:26,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 712 transitions. [2021-03-26 15:09:26,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:26,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 712 transitions. [2021-03-26 15:09:26,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.76923076923077) internal successors, (712), 13 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:26,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:26,578 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:26,578 INFO L185 Difference]: Start difference. First operand has 857 places, 944 transitions, 29575 flow. Second operand 13 states and 712 transitions. [2021-03-26 15:09:26,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 869 places, 968 transitions, 32642 flow [2021-03-26 15:09:28,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 862 places, 968 transitions, 32144 flow, removed 174 selfloop flow, removed 7 redundant places. [2021-03-26 15:09:28,935 INFO L241 Difference]: Finished difference. Result has 866 places, 957 transitions, 30240 flow [2021-03-26 15:09:28,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=29077, PETRI_DIFFERENCE_MINUEND_PLACES=850, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=888, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30240, PETRI_PLACES=866, PETRI_TRANSITIONS=957} [2021-03-26 15:09:28,936 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 813 predicate places. [2021-03-26 15:09:28,936 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:28,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 866 places, 957 transitions, 30240 flow [2021-03-26 15:09:28,936 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 866 places, 957 transitions, 30240 flow [2021-03-26 15:09:28,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 866 places, 957 transitions, 30240 flow [2021-03-26 15:09:29,662 INFO L129 PetriNetUnfolder]: 922/2399 cut-off events. [2021-03-26 15:09:29,662 INFO L130 PetriNetUnfolder]: For 260975/260977 co-relation queries the response was YES. [2021-03-26 15:09:29,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30167 conditions, 2399 events. 922/2399 cut-off events. For 260975/260977 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 20714 event pairs, 28 based on Foata normal form. 0/2017 useless extension candidates. Maximal degree in co-relation 29809. Up to 437 conditions per place. [2021-03-26 15:09:29,762 INFO L142 LiptonReduction]: Number of co-enabled transitions 4522 [2021-03-26 15:09:29,859 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:29,859 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:29,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 923 [2021-03-26 15:09:29,859 INFO L480 AbstractCegarLoop]: Abstraction has has 866 places, 957 transitions, 30240 flow [2021-03-26 15:09:29,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:29,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:29,859 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:29,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable293 [2021-03-26 15:09:29,859 INFO L428 AbstractCegarLoop]: === Iteration 295 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:29,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:29,860 INFO L82 PathProgramCache]: Analyzing trace with hash 671074144, now seen corresponding path program 3 times [2021-03-26 15:09:29,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:29,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30654364] [2021-03-26 15:09:29,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:29,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:29,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:29,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:29,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:29,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:29,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:29,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:29,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:29,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:29,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:29,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:29,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:29,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:29,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:29,908 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:09:29,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:29,920 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:09:29,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:29,933 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:29,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:29,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30654364] [2021-03-26 15:09:29,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:29,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:09:29,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912281982] [2021-03-26 15:09:29,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:09:29,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:29,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:09:29,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:09:29,936 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 15:09:29,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 866 places, 957 transitions, 30240 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:29,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:29,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 15:09:29,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:31,397 INFO L129 PetriNetUnfolder]: 984/2522 cut-off events. [2021-03-26 15:09:31,398 INFO L130 PetriNetUnfolder]: For 267156/267160 co-relation queries the response was YES. [2021-03-26 15:09:31,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32371 conditions, 2522 events. 984/2522 cut-off events. For 267156/267160 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 21485 event pairs, 28 based on Foata normal form. 5/2120 useless extension candidates. Maximal degree in co-relation 32010. Up to 1294 conditions per place. [2021-03-26 15:09:31,469 INFO L132 encePairwiseOnDemand]: 150/168 looper letters, 884 selfloop transitions, 67 changer transitions 0/969 dead transitions. [2021-03-26 15:09:31,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 875 places, 969 transitions, 32582 flow [2021-03-26 15:09:31,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:09:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:09:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 564 transitions. [2021-03-26 15:09:31,471 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3357142857142857 [2021-03-26 15:09:31,471 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 564 transitions. [2021-03-26 15:09:31,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 564 transitions. [2021-03-26 15:09:31,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:31,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 564 transitions. [2021-03-26 15:09:31,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.4) internal successors, (564), 10 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:31,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:31,472 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:31,472 INFO L185 Difference]: Start difference. First operand has 866 places, 957 transitions, 30240 flow. Second operand 10 states and 564 transitions. [2021-03-26 15:09:31,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 875 places, 969 transitions, 32582 flow [2021-03-26 15:09:33,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 871 places, 969 transitions, 31670 flow, removed 434 selfloop flow, removed 4 redundant places. [2021-03-26 15:09:33,855 INFO L241 Difference]: Finished difference. Result has 873 places, 960 transitions, 29845 flow [2021-03-26 15:09:33,855 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=29328, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=957, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=891, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=29845, PETRI_PLACES=873, PETRI_TRANSITIONS=960} [2021-03-26 15:09:33,855 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 820 predicate places. [2021-03-26 15:09:33,855 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:33,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 873 places, 960 transitions, 29845 flow [2021-03-26 15:09:33,855 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 873 places, 960 transitions, 29845 flow [2021-03-26 15:09:33,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 873 places, 960 transitions, 29845 flow [2021-03-26 15:09:34,601 INFO L129 PetriNetUnfolder]: 921/2407 cut-off events. [2021-03-26 15:09:34,601 INFO L130 PetriNetUnfolder]: For 260991/260993 co-relation queries the response was YES. [2021-03-26 15:09:34,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30075 conditions, 2407 events. 921/2407 cut-off events. For 260991/260993 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 20893 event pairs, 31 based on Foata normal form. 0/2025 useless extension candidates. Maximal degree in co-relation 29715. Up to 428 conditions per place. [2021-03-26 15:09:34,702 INFO L142 LiptonReduction]: Number of co-enabled transitions 4552 [2021-03-26 15:09:34,803 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:34,803 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:34,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 948 [2021-03-26 15:09:34,803 INFO L480 AbstractCegarLoop]: Abstraction has has 873 places, 960 transitions, 29845 flow [2021-03-26 15:09:34,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:34,803 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:34,803 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:34,803 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable294 [2021-03-26 15:09:34,803 INFO L428 AbstractCegarLoop]: === Iteration 296 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:34,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:34,804 INFO L82 PathProgramCache]: Analyzing trace with hash -376924604, now seen corresponding path program 4 times [2021-03-26 15:09:34,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:34,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080594881] [2021-03-26 15:09:34,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:34,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:34,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:34,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:34,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:34,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:34,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:34,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:34,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:34,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:34,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:34,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:34,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:34,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:34,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:34,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:34,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:34,864 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:09:34,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:34,878 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:34,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:34,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080594881] [2021-03-26 15:09:34,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:34,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:09:34,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683437043] [2021-03-26 15:09:34,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:09:34,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:34,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:09:34,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:09:34,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 15:09:34,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 873 places, 960 transitions, 29845 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:34,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:34,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 15:09:34,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:36,262 INFO L129 PetriNetUnfolder]: 984/2526 cut-off events. [2021-03-26 15:09:36,262 INFO L130 PetriNetUnfolder]: For 263907/263920 co-relation queries the response was YES. [2021-03-26 15:09:36,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32103 conditions, 2526 events. 984/2526 cut-off events. For 263907/263920 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 21566 event pairs, 28 based on Foata normal form. 10/2128 useless extension candidates. Maximal degree in co-relation 31740. Up to 1333 conditions per place. [2021-03-26 15:09:36,334 INFO L132 encePairwiseOnDemand]: 154/168 looper letters, 920 selfloop transitions, 25 changer transitions 0/963 dead transitions. [2021-03-26 15:09:36,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 883 places, 963 transitions, 31753 flow [2021-03-26 15:09:36,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:09:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:09:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 590 transitions. [2021-03-26 15:09:36,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31926406926406925 [2021-03-26 15:09:36,336 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 590 transitions. [2021-03-26 15:09:36,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 590 transitions. [2021-03-26 15:09:36,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:36,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 590 transitions. [2021-03-26 15:09:36,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 53.63636363636363) internal successors, (590), 11 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:36,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:36,337 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 168.0) internal successors, (2016), 12 states have internal predecessors, (2016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:36,337 INFO L185 Difference]: Start difference. First operand has 873 places, 960 transitions, 29845 flow. Second operand 11 states and 590 transitions. [2021-03-26 15:09:36,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 883 places, 963 transitions, 31753 flow [2021-03-26 15:09:38,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 879 places, 963 transitions, 31429 flow, removed 148 selfloop flow, removed 4 redundant places. [2021-03-26 15:09:38,715 INFO L241 Difference]: Finished difference. Result has 880 places, 960 transitions, 29574 flow [2021-03-26 15:09:38,715 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=29521, PETRI_DIFFERENCE_MINUEND_PLACES=869, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=29574, PETRI_PLACES=880, PETRI_TRANSITIONS=960} [2021-03-26 15:09:38,715 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 827 predicate places. [2021-03-26 15:09:38,715 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:38,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 880 places, 960 transitions, 29574 flow [2021-03-26 15:09:38,716 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 880 places, 960 transitions, 29574 flow [2021-03-26 15:09:38,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 880 places, 960 transitions, 29574 flow [2021-03-26 15:09:39,504 INFO L129 PetriNetUnfolder]: 921/2409 cut-off events. [2021-03-26 15:09:39,505 INFO L130 PetriNetUnfolder]: For 254951/254954 co-relation queries the response was YES. [2021-03-26 15:09:39,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29950 conditions, 2409 events. 921/2409 cut-off events. For 254951/254954 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 20891 event pairs, 31 based on Foata normal form. 1/2028 useless extension candidates. Maximal degree in co-relation 29589. Up to 427 conditions per place. [2021-03-26 15:09:39,593 INFO L142 LiptonReduction]: Number of co-enabled transitions 4552 [2021-03-26 15:09:39,692 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:39,692 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:39,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 977 [2021-03-26 15:09:39,692 INFO L480 AbstractCegarLoop]: Abstraction has has 880 places, 960 transitions, 29574 flow [2021-03-26 15:09:39,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:39,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:39,692 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:39,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable295 [2021-03-26 15:09:39,693 INFO L428 AbstractCegarLoop]: === Iteration 297 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:39,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:39,693 INFO L82 PathProgramCache]: Analyzing trace with hash 498241874, now seen corresponding path program 5 times [2021-03-26 15:09:39,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:39,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50591465] [2021-03-26 15:09:39,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:39,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:39,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:39,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:39,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:39,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:39,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:39,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:39,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:39,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:39,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:39,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:39,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:39,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:39,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:39,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:39,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:39,765 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:09:39,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:39,779 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:39,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:39,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50591465] [2021-03-26 15:09:39,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:39,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:09:39,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707866711] [2021-03-26 15:09:39,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:09:39,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:39,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:09:39,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:09:39,782 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 15:09:39,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 880 places, 960 transitions, 29574 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:39,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:39,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 15:09:39,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:41,354 INFO L129 PetriNetUnfolder]: 989/2555 cut-off events. [2021-03-26 15:09:41,355 INFO L130 PetriNetUnfolder]: For 261048/261061 co-relation queries the response was YES. [2021-03-26 15:09:41,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32089 conditions, 2555 events. 989/2555 cut-off events. For 261048/261061 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 21935 event pairs, 27 based on Foata normal form. 14/2153 useless extension candidates. Maximal degree in co-relation 31725. Up to 1226 conditions per place. [2021-03-26 15:09:41,426 INFO L132 encePairwiseOnDemand]: 145/168 looper letters, 805 selfloop transitions, 151 changer transitions 0/974 dead transitions. [2021-03-26 15:09:41,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 891 places, 974 transitions, 31785 flow [2021-03-26 15:09:41,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:09:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:09:41,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 674 transitions. [2021-03-26 15:09:41,428 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3343253968253968 [2021-03-26 15:09:41,428 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 674 transitions. [2021-03-26 15:09:41,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 674 transitions. [2021-03-26 15:09:41,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:41,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 674 transitions. [2021-03-26 15:09:41,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 56.166666666666664) internal successors, (674), 12 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:41,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:41,429 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 168.0) internal successors, (2184), 13 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:41,429 INFO L185 Difference]: Start difference. First operand has 880 places, 960 transitions, 29574 flow. Second operand 12 states and 674 transitions. [2021-03-26 15:09:41,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 891 places, 974 transitions, 31785 flow [2021-03-26 15:09:43,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 883 places, 974 transitions, 31580 flow, removed 62 selfloop flow, removed 8 redundant places. [2021-03-26 15:09:43,773 INFO L241 Difference]: Finished difference. Result has 886 places, 966 transitions, 29995 flow [2021-03-26 15:09:43,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=29369, PETRI_DIFFERENCE_MINUEND_PLACES=872, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=811, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=29995, PETRI_PLACES=886, PETRI_TRANSITIONS=966} [2021-03-26 15:09:43,773 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 833 predicate places. [2021-03-26 15:09:43,773 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:43,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 886 places, 966 transitions, 29995 flow [2021-03-26 15:09:43,773 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 886 places, 966 transitions, 29995 flow [2021-03-26 15:09:43,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 886 places, 966 transitions, 29995 flow [2021-03-26 15:09:44,578 INFO L129 PetriNetUnfolder]: 920/2422 cut-off events. [2021-03-26 15:09:44,578 INFO L130 PetriNetUnfolder]: For 257106/257109 co-relation queries the response was YES. [2021-03-26 15:09:44,624 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30230 conditions, 2422 events. 920/2422 cut-off events. For 257106/257109 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 21184 event pairs, 32 based on Foata normal form. 1/2039 useless extension candidates. Maximal degree in co-relation 29866. Up to 428 conditions per place. [2021-03-26 15:09:44,666 INFO L142 LiptonReduction]: Number of co-enabled transitions 4620 [2021-03-26 15:09:44,767 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:44,767 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:44,767 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 994 [2021-03-26 15:09:44,767 INFO L480 AbstractCegarLoop]: Abstraction has has 886 places, 966 transitions, 29995 flow [2021-03-26 15:09:44,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:44,768 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:44,768 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:44,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable296 [2021-03-26 15:09:44,768 INFO L428 AbstractCegarLoop]: === Iteration 298 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:44,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:44,768 INFO L82 PathProgramCache]: Analyzing trace with hash -633672786, now seen corresponding path program 6 times [2021-03-26 15:09:44,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:44,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970405718] [2021-03-26 15:09:44,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:44,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:44,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:44,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:44,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:44,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:44,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:44,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:44,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:44,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:44,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:44,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:44,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:44,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:44,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:44,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:44,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:44,843 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:09:44,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:44,857 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:44,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:44,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970405718] [2021-03-26 15:09:44,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:44,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:09:44,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679474416] [2021-03-26 15:09:44,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:09:44,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:44,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:09:44,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:09:44,860 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 168 [2021-03-26 15:09:44,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 886 places, 966 transitions, 29995 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:44,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:44,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 168 [2021-03-26 15:09:44,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:46,415 INFO L129 PetriNetUnfolder]: 991/2569 cut-off events. [2021-03-26 15:09:46,415 INFO L130 PetriNetUnfolder]: For 264726/264739 co-relation queries the response was YES. [2021-03-26 15:09:46,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32295 conditions, 2569 events. 991/2569 cut-off events. For 264726/264739 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 22157 event pairs, 26 based on Foata normal form. 14/2164 useless extension candidates. Maximal degree in co-relation 31928. Up to 1293 conditions per place. [2021-03-26 15:09:46,490 INFO L132 encePairwiseOnDemand]: 151/168 looper letters, 893 selfloop transitions, 69 changer transitions 0/980 dead transitions. [2021-03-26 15:09:46,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 898 places, 980 transitions, 32053 flow [2021-03-26 15:09:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:09:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:09:46,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 716 transitions. [2021-03-26 15:09:46,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32783882783882784 [2021-03-26 15:09:46,492 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 716 transitions. [2021-03-26 15:09:46,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 716 transitions. [2021-03-26 15:09:46,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:46,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 716 transitions. [2021-03-26 15:09:46,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.07692307692308) internal successors, (716), 13 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:46,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:46,493 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:46,493 INFO L185 Difference]: Start difference. First operand has 886 places, 966 transitions, 29995 flow. Second operand 13 states and 716 transitions. [2021-03-26 15:09:46,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 898 places, 980 transitions, 32053 flow [2021-03-26 15:09:48,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 891 places, 980 transitions, 31747 flow, removed 115 selfloop flow, removed 7 redundant places. [2021-03-26 15:09:48,825 INFO L241 Difference]: Finished difference. Result has 895 places, 970 transitions, 29877 flow [2021-03-26 15:09:48,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=29691, PETRI_DIFFERENCE_MINUEND_PLACES=879, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=966, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=897, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=29877, PETRI_PLACES=895, PETRI_TRANSITIONS=970} [2021-03-26 15:09:48,826 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 842 predicate places. [2021-03-26 15:09:48,826 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:48,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 895 places, 970 transitions, 29877 flow [2021-03-26 15:09:48,826 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 895 places, 970 transitions, 29877 flow [2021-03-26 15:09:48,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 895 places, 970 transitions, 29877 flow [2021-03-26 15:09:49,631 INFO L129 PetriNetUnfolder]: 925/2448 cut-off events. [2021-03-26 15:09:49,632 INFO L130 PetriNetUnfolder]: For 256879/256912 co-relation queries the response was YES. [2021-03-26 15:09:49,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29979 conditions, 2448 events. 925/2448 cut-off events. For 256879/256912 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 21458 event pairs, 36 based on Foata normal form. 7/2062 useless extension candidates. Maximal degree in co-relation 29613. Up to 421 conditions per place. [2021-03-26 15:09:49,719 INFO L142 LiptonReduction]: Number of co-enabled transitions 4654 [2021-03-26 15:09:49,976 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:09:49,977 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:09:49,977 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1151 [2021-03-26 15:09:49,977 INFO L480 AbstractCegarLoop]: Abstraction has has 895 places, 970 transitions, 29899 flow [2021-03-26 15:09:49,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:49,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:49,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:49,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable297 [2021-03-26 15:09:49,977 INFO L428 AbstractCegarLoop]: === Iteration 299 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:49,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:49,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1918102050, now seen corresponding path program 7 times [2021-03-26 15:09:49,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:49,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636456388] [2021-03-26 15:09:49,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:49,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:49,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:50,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:50,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:50,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:50,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:50,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:50,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:50,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:50,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:50,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:50,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:50,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:50,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:50,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:50,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:50,068 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:09:50,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:50,083 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:09:50,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:50,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:50,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636456388] [2021-03-26 15:09:50,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:50,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:09:50,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904335974] [2021-03-26 15:09:50,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:09:50,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:50,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:09:50,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:09:50,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:09:50,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 895 places, 970 transitions, 29899 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:50,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:50,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:09:50,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:51,706 INFO L129 PetriNetUnfolder]: 990/2567 cut-off events. [2021-03-26 15:09:51,706 INFO L130 PetriNetUnfolder]: For 264020/264026 co-relation queries the response was YES. [2021-03-26 15:09:51,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32207 conditions, 2567 events. 990/2567 cut-off events. For 264020/264026 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 22130 event pairs, 22 based on Foata normal form. 7/2156 useless extension candidates. Maximal degree in co-relation 31838. Up to 1269 conditions per place. [2021-03-26 15:09:51,780 INFO L132 encePairwiseOnDemand]: 151/169 looper letters, 861 selfloop transitions, 61 changer transitions 42/982 dead transitions. [2021-03-26 15:09:51,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 905 places, 982 transitions, 31976 flow [2021-03-26 15:09:51,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:09:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:09:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 624 transitions. [2021-03-26 15:09:51,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3356643356643357 [2021-03-26 15:09:51,782 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 624 transitions. [2021-03-26 15:09:51,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 624 transitions. [2021-03-26 15:09:51,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:51,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 624 transitions. [2021-03-26 15:09:51,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.72727272727273) internal successors, (624), 11 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:51,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 169.0) internal successors, (2028), 12 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:51,783 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 169.0) internal successors, (2028), 12 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:51,783 INFO L185 Difference]: Start difference. First operand has 895 places, 970 transitions, 29899 flow. Second operand 11 states and 624 transitions. [2021-03-26 15:09:51,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 905 places, 982 transitions, 31976 flow [2021-03-26 15:09:53,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 900 places, 982 transitions, 31900 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-26 15:09:53,964 INFO L241 Difference]: Finished difference. Result has 901 places, 929 transitions, 29151 flow [2021-03-26 15:09:53,964 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=29823, PETRI_DIFFERENCE_MINUEND_PLACES=890, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=909, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=29151, PETRI_PLACES=901, PETRI_TRANSITIONS=929} [2021-03-26 15:09:53,964 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 848 predicate places. [2021-03-26 15:09:53,964 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:53,964 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 901 places, 929 transitions, 29151 flow [2021-03-26 15:09:53,964 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 901 places, 929 transitions, 29151 flow [2021-03-26 15:09:53,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 878 places, 929 transitions, 29151 flow [2021-03-26 15:09:54,735 INFO L129 PetriNetUnfolder]: 895/2315 cut-off events. [2021-03-26 15:09:54,735 INFO L130 PetriNetUnfolder]: For 253738/253741 co-relation queries the response was YES. [2021-03-26 15:09:54,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29641 conditions, 2315 events. 895/2315 cut-off events. For 253738/253741 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19729 event pairs, 33 based on Foata normal form. 1/1950 useless extension candidates. Maximal degree in co-relation 29277. Up to 421 conditions per place. [2021-03-26 15:09:54,820 INFO L142 LiptonReduction]: Number of co-enabled transitions 4296 [2021-03-26 15:09:54,910 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:54,910 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:54,910 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 946 [2021-03-26 15:09:54,910 INFO L480 AbstractCegarLoop]: Abstraction has has 878 places, 929 transitions, 29151 flow [2021-03-26 15:09:54,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:54,911 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:54,911 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:54,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable298 [2021-03-26 15:09:54,911 INFO L428 AbstractCegarLoop]: === Iteration 300 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:54,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:54,911 INFO L82 PathProgramCache]: Analyzing trace with hash -424982061, now seen corresponding path program 8 times [2021-03-26 15:09:54,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:54,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317605722] [2021-03-26 15:09:54,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:54,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:54,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:54,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:54,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:54,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:54,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:54,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:54,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:54,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:54,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:54,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:54,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:54,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:54,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:54,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:54,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:55,019 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:09:55,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:09:55,039 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:09:55,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:09:55,061 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:09:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:09:55,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317605722] [2021-03-26 15:09:55,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:09:55,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:09:55,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911429666] [2021-03-26 15:09:55,065 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:09:55,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:09:55,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:09:55,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:09:55,066 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:09:55,066 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 878 places, 929 transitions, 29151 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:55,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:09:55,066 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:09:55,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:09:56,664 INFO L129 PetriNetUnfolder]: 965/2453 cut-off events. [2021-03-26 15:09:56,664 INFO L130 PetriNetUnfolder]: For 258727/258731 co-relation queries the response was YES. [2021-03-26 15:09:56,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31804 conditions, 2453 events. 965/2453 cut-off events. For 258727/258731 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 20623 event pairs, 28 based on Foata normal form. 5/2060 useless extension candidates. Maximal degree in co-relation 31437. Up to 1259 conditions per place. [2021-03-26 15:09:56,736 INFO L132 encePairwiseOnDemand]: 154/169 looper letters, 859 selfloop transitions, 59 changer transitions 7/943 dead transitions. [2021-03-26 15:09:56,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 891 places, 943 transitions, 31379 flow [2021-03-26 15:09:56,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:09:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:09:56,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 762 transitions. [2021-03-26 15:09:56,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3220625528317836 [2021-03-26 15:09:56,738 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 762 transitions. [2021-03-26 15:09:56,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 762 transitions. [2021-03-26 15:09:56,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:09:56,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 762 transitions. [2021-03-26 15:09:56,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.42857142857143) internal successors, (762), 14 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:56,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:56,739 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:56,740 INFO L185 Difference]: Start difference. First operand has 878 places, 929 transitions, 29151 flow. Second operand 14 states and 762 transitions. [2021-03-26 15:09:56,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 891 places, 943 transitions, 31379 flow [2021-03-26 15:09:58,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 862 places, 943 transitions, 30861 flow, removed 25 selfloop flow, removed 29 redundant places. [2021-03-26 15:09:58,919 INFO L241 Difference]: Finished difference. Result has 866 places, 926 transitions, 28735 flow [2021-03-26 15:09:58,920 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=28635, PETRI_DIFFERENCE_MINUEND_PLACES=849, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=870, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=28735, PETRI_PLACES=866, PETRI_TRANSITIONS=926} [2021-03-26 15:09:58,920 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 813 predicate places. [2021-03-26 15:09:58,920 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:09:58,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 866 places, 926 transitions, 28735 flow [2021-03-26 15:09:58,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 866 places, 926 transitions, 28735 flow [2021-03-26 15:09:58,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 863 places, 926 transitions, 28735 flow [2021-03-26 15:09:59,573 INFO L129 PetriNetUnfolder]: 894/2310 cut-off events. [2021-03-26 15:09:59,573 INFO L130 PetriNetUnfolder]: For 249357/249359 co-relation queries the response was YES. [2021-03-26 15:09:59,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29239 conditions, 2310 events. 894/2310 cut-off events. For 249357/249359 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19710 event pairs, 35 based on Foata normal form. 0/1944 useless extension candidates. Maximal degree in co-relation 28886. Up to 420 conditions per place. [2021-03-26 15:09:59,674 INFO L142 LiptonReduction]: Number of co-enabled transitions 4296 [2021-03-26 15:09:59,892 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:09:59,892 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:09:59,892 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 972 [2021-03-26 15:09:59,892 INFO L480 AbstractCegarLoop]: Abstraction has has 863 places, 926 transitions, 28735 flow [2021-03-26 15:09:59,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:09:59,892 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:09:59,892 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:09:59,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable299 [2021-03-26 15:09:59,892 INFO L428 AbstractCegarLoop]: === Iteration 301 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:09:59,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:09:59,893 INFO L82 PathProgramCache]: Analyzing trace with hash 249453117, now seen corresponding path program 16 times [2021-03-26 15:09:59,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:09:59,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9705132] [2021-03-26 15:09:59,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:09:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:09:59,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:59,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:09:59,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:59,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:09:59,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:59,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:59,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:59,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:59,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:59,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:59,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:09:59,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:59,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:09:59,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:09:59,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:00,008 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:10:00,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:10:00,028 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:10:00,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:00,045 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:00,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:00,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9705132] [2021-03-26 15:10:00,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:00,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:10:00,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81064628] [2021-03-26 15:10:00,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:10:00,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:00,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:10:00,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:10:00,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:00,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 863 places, 926 transitions, 28735 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:00,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:00,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:00,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:01,452 INFO L129 PetriNetUnfolder]: 956/2429 cut-off events. [2021-03-26 15:10:01,452 INFO L130 PetriNetUnfolder]: For 252399/252403 co-relation queries the response was YES. [2021-03-26 15:10:01,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31256 conditions, 2429 events. 956/2429 cut-off events. For 252399/252403 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 20338 event pairs, 29 based on Foata normal form. 5/2043 useless extension candidates. Maximal degree in co-relation 30900. Up to 1279 conditions per place. [2021-03-26 15:10:01,522 INFO L132 encePairwiseOnDemand]: 151/169 looper letters, 873 selfloop transitions, 39 changer transitions 3/933 dead transitions. [2021-03-26 15:10:01,522 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 876 places, 933 transitions, 30678 flow [2021-03-26 15:10:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:10:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:10:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 746 transitions. [2021-03-26 15:10:01,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3153000845308538 [2021-03-26 15:10:01,524 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 746 transitions. [2021-03-26 15:10:01,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 746 transitions. [2021-03-26 15:10:01,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:01,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 746 transitions. [2021-03-26 15:10:01,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.285714285714285) internal successors, (746), 14 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:01,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:01,525 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:01,525 INFO L185 Difference]: Start difference. First operand has 863 places, 926 transitions, 28735 flow. Second operand 14 states and 746 transitions. [2021-03-26 15:10:01,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 876 places, 933 transitions, 30678 flow [2021-03-26 15:10:03,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 858 places, 933 transitions, 30472 flow, removed 8 selfloop flow, removed 18 redundant places. [2021-03-26 15:10:03,628 INFO L241 Difference]: Finished difference. Result has 860 places, 924 transitions, 28557 flow [2021-03-26 15:10:03,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=28529, PETRI_DIFFERENCE_MINUEND_PLACES=845, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=926, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=887, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=28557, PETRI_PLACES=860, PETRI_TRANSITIONS=924} [2021-03-26 15:10:03,628 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 807 predicate places. [2021-03-26 15:10:03,628 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:03,629 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 860 places, 924 transitions, 28557 flow [2021-03-26 15:10:03,629 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 860 places, 924 transitions, 28557 flow [2021-03-26 15:10:03,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 924 transitions, 28557 flow [2021-03-26 15:10:04,270 INFO L129 PetriNetUnfolder]: 886/2290 cut-off events. [2021-03-26 15:10:04,271 INFO L130 PetriNetUnfolder]: For 247440/247444 co-relation queries the response was YES. [2021-03-26 15:10:04,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28923 conditions, 2290 events. 886/2290 cut-off events. For 247440/247444 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19508 event pairs, 33 based on Foata normal form. 0/1928 useless extension candidates. Maximal degree in co-relation 28572. Up to 420 conditions per place. [2021-03-26 15:10:04,379 INFO L142 LiptonReduction]: Number of co-enabled transitions 4296 [2021-03-26 15:10:04,478 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:04,479 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:04,479 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 851 [2021-03-26 15:10:04,479 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 924 transitions, 28557 flow [2021-03-26 15:10:04,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:04,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:04,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:04,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable300 [2021-03-26 15:10:04,479 INFO L428 AbstractCegarLoop]: === Iteration 302 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:04,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:04,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1692030703, now seen corresponding path program 17 times [2021-03-26 15:10:04,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:04,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159824070] [2021-03-26 15:10:04,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:04,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:04,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:04,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:04,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:04,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:04,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:04,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:04,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:04,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:04,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:04,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:04,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:04,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:04,588 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:10:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:04,604 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:04,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159824070] [2021-03-26 15:10:04,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:04,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:10:04,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502681838] [2021-03-26 15:10:04,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:10:04,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:04,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:10:04,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:10:04,607 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:04,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 924 transitions, 28557 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:04,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:04,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:04,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:06,031 INFO L129 PetriNetUnfolder]: 953/2421 cut-off events. [2021-03-26 15:10:06,032 INFO L130 PetriNetUnfolder]: For 255938/255951 co-relation queries the response was YES. [2021-03-26 15:10:06,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31144 conditions, 2421 events. 953/2421 cut-off events. For 255938/255951 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 20285 event pairs, 27 based on Foata normal form. 14/2046 useless extension candidates. Maximal degree in co-relation 30790. Up to 1282 conditions per place. [2021-03-26 15:10:06,111 INFO L132 encePairwiseOnDemand]: 152/169 looper letters, 877 selfloop transitions, 26 changer transitions 10/931 dead transitions. [2021-03-26 15:10:06,111 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 872 places, 931 transitions, 30517 flow [2021-03-26 15:10:06,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:10:06,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:10:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 739 transitions. [2021-03-26 15:10:06,112 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31234150464919697 [2021-03-26 15:10:06,113 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 739 transitions. [2021-03-26 15:10:06,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 739 transitions. [2021-03-26 15:10:06,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:06,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 739 transitions. [2021-03-26 15:10:06,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 52.785714285714285) internal successors, (739), 14 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:06,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:06,114 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:06,114 INFO L185 Difference]: Start difference. First operand has 859 places, 924 transitions, 28557 flow. Second operand 14 states and 739 transitions. [2021-03-26 15:10:06,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 872 places, 931 transitions, 30517 flow [2021-03-26 15:10:08,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 856 places, 931 transitions, 30344 flow, removed 3 selfloop flow, removed 16 redundant places. [2021-03-26 15:10:08,287 INFO L241 Difference]: Finished difference. Result has 859 places, 917 transitions, 28255 flow [2021-03-26 15:10:08,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=28386, PETRI_DIFFERENCE_MINUEND_PLACES=843, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=924, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=898, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=28255, PETRI_PLACES=859, PETRI_TRANSITIONS=917} [2021-03-26 15:10:08,288 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 806 predicate places. [2021-03-26 15:10:08,288 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:08,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 859 places, 917 transitions, 28255 flow [2021-03-26 15:10:08,288 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 859 places, 917 transitions, 28255 flow [2021-03-26 15:10:08,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 847 places, 917 transitions, 28255 flow [2021-03-26 15:10:08,935 INFO L129 PetriNetUnfolder]: 891/2299 cut-off events. [2021-03-26 15:10:08,936 INFO L130 PetriNetUnfolder]: For 245563/245565 co-relation queries the response was YES. [2021-03-26 15:10:08,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28903 conditions, 2299 events. 891/2299 cut-off events. For 245563/245565 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 19576 event pairs, 35 based on Foata normal form. 0/1932 useless extension candidates. Maximal degree in co-relation 28551. Up to 420 conditions per place. [2021-03-26 15:10:09,046 INFO L142 LiptonReduction]: Number of co-enabled transitions 4276 [2021-03-26 15:10:09,145 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:09,145 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:09,145 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 857 [2021-03-26 15:10:09,146 INFO L480 AbstractCegarLoop]: Abstraction has has 847 places, 917 transitions, 28255 flow [2021-03-26 15:10:09,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:09,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:09,146 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:09,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable301 [2021-03-26 15:10:09,146 INFO L428 AbstractCegarLoop]: === Iteration 303 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:09,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:09,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1634342038, now seen corresponding path program 5 times [2021-03-26 15:10:09,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:09,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756574721] [2021-03-26 15:10:09,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:09,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:09,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:09,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:09,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:09,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:09,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:09,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:09,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:09,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:09,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:09,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:09,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:09,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:09,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:09,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:09,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:09,218 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:10:09,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:10:09,244 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:10:09,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:09,265 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:09,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:09,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756574721] [2021-03-26 15:10:09,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:09,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:10:09,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948926109] [2021-03-26 15:10:09,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:10:09,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:09,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:10:09,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:10:09,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:09,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 847 places, 917 transitions, 28255 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:09,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:09,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:09,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:10,826 INFO L129 PetriNetUnfolder]: 950/2422 cut-off events. [2021-03-26 15:10:10,826 INFO L130 PetriNetUnfolder]: For 251818/251824 co-relation queries the response was YES. [2021-03-26 15:10:10,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31092 conditions, 2422 events. 950/2422 cut-off events. For 251818/251824 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 20291 event pairs, 26 based on Foata normal form. 7/2039 useless extension candidates. Maximal degree in co-relation 30737. Up to 1249 conditions per place. [2021-03-26 15:10:10,893 INFO L132 encePairwiseOnDemand]: 150/169 looper letters, 836 selfloop transitions, 76 changer transitions 2/932 dead transitions. [2021-03-26 15:10:10,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 859 places, 932 transitions, 30937 flow [2021-03-26 15:10:10,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:10:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:10:10,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 715 transitions. [2021-03-26 15:10:10,895 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3254437869822485 [2021-03-26 15:10:10,895 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 715 transitions. [2021-03-26 15:10:10,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 715 transitions. [2021-03-26 15:10:10,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:10,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 715 transitions. [2021-03-26 15:10:10,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.0) internal successors, (715), 13 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:10,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 169.0) internal successors, (2366), 14 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:10,896 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 169.0) internal successors, (2366), 14 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:10,896 INFO L185 Difference]: Start difference. First operand has 847 places, 917 transitions, 28255 flow. Second operand 13 states and 715 transitions. [2021-03-26 15:10:10,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 859 places, 932 transitions, 30937 flow [2021-03-26 15:10:13,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 843 places, 932 transitions, 30753 flow, removed 26 selfloop flow, removed 16 redundant places. [2021-03-26 15:10:13,198 INFO L241 Difference]: Finished difference. Result has 847 places, 923 transitions, 28790 flow [2021-03-26 15:10:13,199 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=28088, PETRI_DIFFERENCE_MINUEND_PLACES=831, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=917, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=844, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=28790, PETRI_PLACES=847, PETRI_TRANSITIONS=923} [2021-03-26 15:10:13,199 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 794 predicate places. [2021-03-26 15:10:13,199 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:13,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 847 places, 923 transitions, 28790 flow [2021-03-26 15:10:13,199 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 847 places, 923 transitions, 28790 flow [2021-03-26 15:10:13,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 847 places, 923 transitions, 28790 flow [2021-03-26 15:10:13,875 INFO L129 PetriNetUnfolder]: 890/2313 cut-off events. [2021-03-26 15:10:13,875 INFO L130 PetriNetUnfolder]: For 245896/245899 co-relation queries the response was YES. [2021-03-26 15:10:13,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28967 conditions, 2313 events. 890/2313 cut-off events. For 245896/245899 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19743 event pairs, 32 based on Foata normal form. 1/1945 useless extension candidates. Maximal degree in co-relation 28619. Up to 420 conditions per place. [2021-03-26 15:10:13,981 INFO L142 LiptonReduction]: Number of co-enabled transitions 4298 [2021-03-26 15:10:14,079 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:14,079 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:14,079 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 880 [2021-03-26 15:10:14,080 INFO L480 AbstractCegarLoop]: Abstraction has has 847 places, 923 transitions, 28790 flow [2021-03-26 15:10:14,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:14,080 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:14,080 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:14,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable302 [2021-03-26 15:10:14,080 INFO L428 AbstractCegarLoop]: === Iteration 304 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:14,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:14,080 INFO L82 PathProgramCache]: Analyzing trace with hash 785480269, now seen corresponding path program 6 times [2021-03-26 15:10:14,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:14,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868838751] [2021-03-26 15:10:14,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:14,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:14,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:14,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:14,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:14,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:14,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:14,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:14,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:14,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:14,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:14,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:14,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:14,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:14,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:14,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:14,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:14,185 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:10:14,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:10:14,200 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:10:14,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:14,217 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:10:14,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:14,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868838751] [2021-03-26 15:10:14,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:14,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:10:14,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273306191] [2021-03-26 15:10:14,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:10:14,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:14,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:10:14,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:10:14,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:14,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 847 places, 923 transitions, 28790 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:14,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:14,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:14,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:16,034 INFO L129 PetriNetUnfolder]: 962/2452 cut-off events. [2021-03-26 15:10:16,034 INFO L130 PetriNetUnfolder]: For 262866/262879 co-relation queries the response was YES. [2021-03-26 15:10:16,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31621 conditions, 2452 events. 962/2452 cut-off events. For 262866/262879 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 20633 event pairs, 22 based on Foata normal form. 14/2068 useless extension candidates. Maximal degree in co-relation 31270. Up to 1256 conditions per place. [2021-03-26 15:10:16,101 INFO L132 encePairwiseOnDemand]: 153/169 looper letters, 861 selfloop transitions, 62 changer transitions 2/943 dead transitions. [2021-03-26 15:10:16,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 860 places, 943 transitions, 31564 flow [2021-03-26 15:10:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:10:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:10:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 766 transitions. [2021-03-26 15:10:16,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3237531699070161 [2021-03-26 15:10:16,103 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 766 transitions. [2021-03-26 15:10:16,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 766 transitions. [2021-03-26 15:10:16,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:16,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 766 transitions. [2021-03-26 15:10:16,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.714285714285715) internal successors, (766), 14 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:16,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:16,104 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:16,104 INFO L185 Difference]: Start difference. First operand has 847 places, 923 transitions, 28790 flow. Second operand 14 states and 766 transitions. [2021-03-26 15:10:16,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 860 places, 943 transitions, 31564 flow [2021-03-26 15:10:18,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 855 places, 943 transitions, 30863 flow, removed 330 selfloop flow, removed 5 redundant places. [2021-03-26 15:10:18,397 INFO L241 Difference]: Finished difference. Result has 859 places, 929 transitions, 28782 flow [2021-03-26 15:10:18,397 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=28089, PETRI_DIFFERENCE_MINUEND_PLACES=842, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=923, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=863, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=28782, PETRI_PLACES=859, PETRI_TRANSITIONS=929} [2021-03-26 15:10:18,397 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 806 predicate places. [2021-03-26 15:10:18,397 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:18,398 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 859 places, 929 transitions, 28782 flow [2021-03-26 15:10:18,398 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 859 places, 929 transitions, 28782 flow [2021-03-26 15:10:18,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 858 places, 929 transitions, 28782 flow [2021-03-26 15:10:19,058 INFO L129 PetriNetUnfolder]: 898/2329 cut-off events. [2021-03-26 15:10:19,058 INFO L130 PetriNetUnfolder]: For 254623/254626 co-relation queries the response was YES. [2021-03-26 15:10:19,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29278 conditions, 2329 events. 898/2329 cut-off events. For 254623/254626 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19891 event pairs, 32 based on Foata normal form. 1/1957 useless extension candidates. Maximal degree in co-relation 28927. Up to 420 conditions per place. [2021-03-26 15:10:19,165 INFO L142 LiptonReduction]: Number of co-enabled transitions 4346 [2021-03-26 15:10:19,265 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:19,265 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:19,265 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 868 [2021-03-26 15:10:19,265 INFO L480 AbstractCegarLoop]: Abstraction has has 858 places, 929 transitions, 28782 flow [2021-03-26 15:10:19,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:19,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:19,265 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:19,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable303 [2021-03-26 15:10:19,265 INFO L428 AbstractCegarLoop]: === Iteration 305 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:19,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:19,265 INFO L82 PathProgramCache]: Analyzing trace with hash 2057590521, now seen corresponding path program 9 times [2021-03-26 15:10:19,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:19,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786471917] [2021-03-26 15:10:19,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:19,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:19,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:19,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:19,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:19,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:19,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:19,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:19,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:19,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:19,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:19,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:19,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:19,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:19,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:19,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:19,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:19,354 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:10:19,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:10:19,369 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:10:19,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:19,387 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:10:19,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:19,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786471917] [2021-03-26 15:10:19,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:19,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:10:19,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353134400] [2021-03-26 15:10:19,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:10:19,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:19,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:10:19,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:10:19,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:19,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 929 transitions, 28782 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:19,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:19,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:19,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:21,221 INFO L129 PetriNetUnfolder]: 960/2450 cut-off events. [2021-03-26 15:10:21,221 INFO L130 PetriNetUnfolder]: For 262647/262662 co-relation queries the response was YES. [2021-03-26 15:10:21,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31403 conditions, 2450 events. 960/2450 cut-off events. For 262647/262662 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 20613 event pairs, 25 based on Foata normal form. 16/2069 useless extension candidates. Maximal degree in co-relation 31049. Up to 1256 conditions per place. [2021-03-26 15:10:21,280 INFO L132 encePairwiseOnDemand]: 154/169 looper letters, 856 selfloop transitions, 61 changer transitions 4/939 dead transitions. [2021-03-26 15:10:21,280 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 871 places, 939 transitions, 30824 flow [2021-03-26 15:10:21,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:10:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:10:21,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 758 transitions. [2021-03-26 15:10:21,281 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32037193575655115 [2021-03-26 15:10:21,281 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 758 transitions. [2021-03-26 15:10:21,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 758 transitions. [2021-03-26 15:10:21,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:21,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 758 transitions. [2021-03-26 15:10:21,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.142857142857146) internal successors, (758), 14 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:21,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:21,283 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 169.0) internal successors, (2535), 15 states have internal predecessors, (2535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:21,283 INFO L185 Difference]: Start difference. First operand has 858 places, 929 transitions, 28782 flow. Second operand 14 states and 758 transitions. [2021-03-26 15:10:21,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 871 places, 939 transitions, 30824 flow [2021-03-26 15:10:23,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 939 transitions, 30399 flow, removed 182 selfloop flow, removed 11 redundant places. [2021-03-26 15:10:23,508 INFO L241 Difference]: Finished difference. Result has 862 places, 926 transitions, 28420 flow [2021-03-26 15:10:23,508 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=28357, PETRI_DIFFERENCE_MINUEND_PLACES=847, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=929, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=868, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=28420, PETRI_PLACES=862, PETRI_TRANSITIONS=926} [2021-03-26 15:10:23,508 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 809 predicate places. [2021-03-26 15:10:23,508 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:23,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 862 places, 926 transitions, 28420 flow [2021-03-26 15:10:23,508 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 862 places, 926 transitions, 28420 flow [2021-03-26 15:10:23,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 861 places, 926 transitions, 28420 flow [2021-03-26 15:10:24,195 INFO L129 PetriNetUnfolder]: 898/2335 cut-off events. [2021-03-26 15:10:24,195 INFO L130 PetriNetUnfolder]: For 252231/252233 co-relation queries the response was YES. [2021-03-26 15:10:24,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29118 conditions, 2335 events. 898/2335 cut-off events. For 252231/252233 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 20038 event pairs, 34 based on Foata normal form. 0/1961 useless extension candidates. Maximal degree in co-relation 28767. Up to 418 conditions per place. [2021-03-26 15:10:24,297 INFO L142 LiptonReduction]: Number of co-enabled transitions 4346 [2021-03-26 15:10:24,402 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:24,402 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:24,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 894 [2021-03-26 15:10:24,403 INFO L480 AbstractCegarLoop]: Abstraction has has 861 places, 926 transitions, 28420 flow [2021-03-26 15:10:24,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:24,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:24,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:24,403 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable304 [2021-03-26 15:10:24,403 INFO L428 AbstractCegarLoop]: === Iteration 306 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:24,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:24,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1311647907, now seen corresponding path program 10 times [2021-03-26 15:10:24,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:24,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670912930] [2021-03-26 15:10:24,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:24,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:24,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:24,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:24,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:24,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:24,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:24,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:24,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:24,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:24,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:24,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:24,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:24,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:24,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:24,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:24,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:24,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:24,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:24,506 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:10:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:24,522 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:24,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:24,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670912930] [2021-03-26 15:10:24,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:24,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:10:24,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000518523] [2021-03-26 15:10:24,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:10:24,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:24,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:10:24,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:10:24,526 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:24,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 861 places, 926 transitions, 28420 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:24,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:24,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:24,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:26,129 INFO L129 PetriNetUnfolder]: 958/2452 cut-off events. [2021-03-26 15:10:26,129 INFO L130 PetriNetUnfolder]: For 253406/253421 co-relation queries the response was YES. [2021-03-26 15:10:26,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31160 conditions, 2452 events. 958/2452 cut-off events. For 253406/253421 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 20707 event pairs, 25 based on Foata normal form. 16/2071 useless extension candidates. Maximal degree in co-relation 30806. Up to 1249 conditions per place. [2021-03-26 15:10:26,200 INFO L132 encePairwiseOnDemand]: 153/169 looper letters, 850 selfloop transitions, 65 changer transitions 8/941 dead transitions. [2021-03-26 15:10:26,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 875 places, 941 transitions, 30582 flow [2021-03-26 15:10:26,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:10:26,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:10:26,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 818 transitions. [2021-03-26 15:10:26,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32268244575936883 [2021-03-26 15:10:26,202 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 818 transitions. [2021-03-26 15:10:26,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 818 transitions. [2021-03-26 15:10:26,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:26,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 818 transitions. [2021-03-26 15:10:26,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.53333333333333) internal successors, (818), 15 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:26,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:26,203 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 169.0) internal successors, (2704), 16 states have internal predecessors, (2704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:26,203 INFO L185 Difference]: Start difference. First operand has 861 places, 926 transitions, 28420 flow. Second operand 15 states and 818 transitions. [2021-03-26 15:10:26,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 875 places, 941 transitions, 30582 flow [2021-03-26 15:10:28,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 861 places, 941 transitions, 30441 flow, removed 3 selfloop flow, removed 14 redundant places. [2021-03-26 15:10:28,415 INFO L241 Difference]: Finished difference. Result has 864 places, 923 transitions, 28404 flow [2021-03-26 15:10:28,415 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=28281, PETRI_DIFFERENCE_MINUEND_PLACES=847, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=926, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=861, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=28404, PETRI_PLACES=864, PETRI_TRANSITIONS=923} [2021-03-26 15:10:28,415 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 811 predicate places. [2021-03-26 15:10:28,415 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:28,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 864 places, 923 transitions, 28404 flow [2021-03-26 15:10:28,416 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 864 places, 923 transitions, 28404 flow [2021-03-26 15:10:28,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 862 places, 923 transitions, 28404 flow [2021-03-26 15:10:29,059 INFO L129 PetriNetUnfolder]: 895/2323 cut-off events. [2021-03-26 15:10:29,059 INFO L130 PetriNetUnfolder]: For 249913/249915 co-relation queries the response was YES. [2021-03-26 15:10:29,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28934 conditions, 2323 events. 895/2323 cut-off events. For 249913/249915 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19881 event pairs, 33 based on Foata normal form. 0/1950 useless extension candidates. Maximal degree in co-relation 28582. Up to 417 conditions per place. [2021-03-26 15:10:29,162 INFO L142 LiptonReduction]: Number of co-enabled transitions 4358 [2021-03-26 15:10:29,258 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:29,259 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:29,259 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 844 [2021-03-26 15:10:29,259 INFO L480 AbstractCegarLoop]: Abstraction has has 862 places, 923 transitions, 28404 flow [2021-03-26 15:10:29,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:29,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:29,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:29,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable305 [2021-03-26 15:10:29,259 INFO L428 AbstractCegarLoop]: === Iteration 307 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:29,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:29,259 INFO L82 PathProgramCache]: Analyzing trace with hash -902158125, now seen corresponding path program 11 times [2021-03-26 15:10:29,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:29,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413590734] [2021-03-26 15:10:29,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:29,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:29,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:29,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:29,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:29,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:29,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:29,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:29,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:29,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:29,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:29,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:29,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:29,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:29,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:29,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:29,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:29,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:29,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:29,346 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:10:29,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:29,362 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:29,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:29,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413590734] [2021-03-26 15:10:29,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:29,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:10:29,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357967674] [2021-03-26 15:10:29,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:10:29,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:29,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:10:29,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:10:29,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:29,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 862 places, 923 transitions, 28404 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:29,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:29,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:29,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:30,833 INFO L129 PetriNetUnfolder]: 947/2413 cut-off events. [2021-03-26 15:10:30,833 INFO L130 PetriNetUnfolder]: For 254426/254432 co-relation queries the response was YES. [2021-03-26 15:10:30,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30927 conditions, 2413 events. 947/2413 cut-off events. For 254426/254432 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 20215 event pairs, 23 based on Foata normal form. 7/2033 useless extension candidates. Maximal degree in co-relation 30572. Up to 1255 conditions per place. [2021-03-26 15:10:30,901 INFO L132 encePairwiseOnDemand]: 154/169 looper letters, 861 selfloop transitions, 43 changer transitions 9/931 dead transitions. [2021-03-26 15:10:30,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 872 places, 931 transitions, 30292 flow [2021-03-26 15:10:30,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:10:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:10:30,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 610 transitions. [2021-03-26 15:10:30,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.328133405056482 [2021-03-26 15:10:30,902 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 610 transitions. [2021-03-26 15:10:30,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 610 transitions. [2021-03-26 15:10:30,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:30,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 610 transitions. [2021-03-26 15:10:30,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.45454545454545) internal successors, (610), 11 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:30,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 169.0) internal successors, (2028), 12 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:30,903 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 169.0) internal successors, (2028), 12 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:30,903 INFO L185 Difference]: Start difference. First operand has 862 places, 923 transitions, 28404 flow. Second operand 11 states and 610 transitions. [2021-03-26 15:10:30,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 872 places, 931 transitions, 30292 flow [2021-03-26 15:10:33,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 851 places, 931 transitions, 30031 flow, removed 17 selfloop flow, removed 21 redundant places. [2021-03-26 15:10:33,100 INFO L241 Difference]: Finished difference. Result has 852 places, 915 transitions, 28099 flow [2021-03-26 15:10:33,100 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=28143, PETRI_DIFFERENCE_MINUEND_PLACES=841, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=923, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=880, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=28099, PETRI_PLACES=852, PETRI_TRANSITIONS=915} [2021-03-26 15:10:33,100 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 799 predicate places. [2021-03-26 15:10:33,100 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:33,100 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 852 places, 915 transitions, 28099 flow [2021-03-26 15:10:33,101 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 852 places, 915 transitions, 28099 flow [2021-03-26 15:10:33,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 846 places, 915 transitions, 28099 flow [2021-03-26 15:10:33,725 INFO L129 PetriNetUnfolder]: 885/2282 cut-off events. [2021-03-26 15:10:33,725 INFO L130 PetriNetUnfolder]: For 247923/247972 co-relation queries the response was YES. [2021-03-26 15:10:33,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28647 conditions, 2282 events. 885/2282 cut-off events. For 247923/247972 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 19354 event pairs, 37 based on Foata normal form. 10/1930 useless extension candidates. Maximal degree in co-relation 28297. Up to 418 conditions per place. [2021-03-26 15:10:33,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 4282 [2021-03-26 15:10:33,917 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:33,917 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:33,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 817 [2021-03-26 15:10:33,917 INFO L480 AbstractCegarLoop]: Abstraction has has 846 places, 915 transitions, 28099 flow [2021-03-26 15:10:33,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:33,917 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:33,917 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:33,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable306 [2021-03-26 15:10:33,917 INFO L428 AbstractCegarLoop]: === Iteration 308 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:33,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:33,917 INFO L82 PathProgramCache]: Analyzing trace with hash 150332355, now seen corresponding path program 7 times [2021-03-26 15:10:33,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:33,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332527295] [2021-03-26 15:10:33,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:33,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:33,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:33,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:33,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:33,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:33,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:33,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:33,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:33,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:33,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:33,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:33,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:33,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:33,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:34,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:34,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:34,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:34,041 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:10:34,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:34,060 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:34,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:34,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332527295] [2021-03-26 15:10:34,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:34,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:10:34,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274008361] [2021-03-26 15:10:34,063 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:10:34,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:34,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:10:34,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:10:34,064 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:34,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 846 places, 915 transitions, 28099 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:34,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:34,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:34,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:35,905 INFO L129 PetriNetUnfolder]: 954/2410 cut-off events. [2021-03-26 15:10:35,906 INFO L130 PetriNetUnfolder]: For 262612/262621 co-relation queries the response was YES. [2021-03-26 15:10:35,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31333 conditions, 2410 events. 954/2410 cut-off events. For 262612/262621 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 20124 event pairs, 24 based on Foata normal form. 8/2032 useless extension candidates. Maximal degree in co-relation 30980. Up to 1223 conditions per place. [2021-03-26 15:10:35,974 INFO L132 encePairwiseOnDemand]: 152/169 looper letters, 835 selfloop transitions, 99 changer transitions 0/952 dead transitions. [2021-03-26 15:10:35,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 952 transitions, 31542 flow [2021-03-26 15:10:35,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-26 15:10:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-26 15:10:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1082 transitions. [2021-03-26 15:10:35,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3201183431952663 [2021-03-26 15:10:35,976 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 1082 transitions. [2021-03-26 15:10:35,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 1082 transitions. [2021-03-26 15:10:35,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:35,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 1082 transitions. [2021-03-26 15:10:35,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 54.1) internal successors, (1082), 20 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:35,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 169.0) internal successors, (3549), 21 states have internal predecessors, (3549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:35,978 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 169.0) internal successors, (3549), 21 states have internal predecessors, (3549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:35,978 INFO L185 Difference]: Start difference. First operand has 846 places, 915 transitions, 28099 flow. Second operand 20 states and 1082 transitions. [2021-03-26 15:10:35,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 952 transitions, 31542 flow [2021-03-26 15:10:38,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 847 places, 952 transitions, 31297 flow, removed 25 selfloop flow, removed 18 redundant places. [2021-03-26 15:10:38,144 INFO L241 Difference]: Finished difference. Result has 850 places, 936 transitions, 29586 flow [2021-03-26 15:10:38,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=27882, PETRI_DIFFERENCE_MINUEND_PLACES=828, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=915, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=829, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=29586, PETRI_PLACES=850, PETRI_TRANSITIONS=936} [2021-03-26 15:10:38,144 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 797 predicate places. [2021-03-26 15:10:38,144 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:38,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 850 places, 936 transitions, 29586 flow [2021-03-26 15:10:38,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 850 places, 936 transitions, 29586 flow [2021-03-26 15:10:38,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 850 places, 936 transitions, 29586 flow [2021-03-26 15:10:38,777 INFO L129 PetriNetUnfolder]: 893/2305 cut-off events. [2021-03-26 15:10:38,777 INFO L130 PetriNetUnfolder]: For 259965/260007 co-relation queries the response was YES. [2021-03-26 15:10:38,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29243 conditions, 2305 events. 893/2305 cut-off events. For 259965/260007 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19655 event pairs, 38 based on Foata normal form. 6/1947 useless extension candidates. Maximal degree in co-relation 28896. Up to 431 conditions per place. [2021-03-26 15:10:38,879 INFO L142 LiptonReduction]: Number of co-enabled transitions 4342 [2021-03-26 15:10:38,967 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:38,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:38,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 823 [2021-03-26 15:10:38,967 INFO L480 AbstractCegarLoop]: Abstraction has has 850 places, 936 transitions, 29586 flow [2021-03-26 15:10:38,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:38,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:38,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:38,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable307 [2021-03-26 15:10:38,968 INFO L428 AbstractCegarLoop]: === Iteration 309 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:38,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:38,968 INFO L82 PathProgramCache]: Analyzing trace with hash -2082758132, now seen corresponding path program 6 times [2021-03-26 15:10:38,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:38,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775293505] [2021-03-26 15:10:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:38,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:38,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:38,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:38,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:38,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:38,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:39,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:39,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:39,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:39,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:39,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:39,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:39,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:39,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:39,027 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:10:39,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:39,040 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:10:39,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:39,054 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:39,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775293505] [2021-03-26 15:10:39,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:39,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:10:39,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53467050] [2021-03-26 15:10:39,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:10:39,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:39,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:10:39,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:10:39,058 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:39,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 850 places, 936 transitions, 29586 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:39,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:39,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:39,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:40,556 INFO L129 PetriNetUnfolder]: 955/2427 cut-off events. [2021-03-26 15:10:40,556 INFO L130 PetriNetUnfolder]: For 265419/265432 co-relation queries the response was YES. [2021-03-26 15:10:40,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31542 conditions, 2427 events. 955/2427 cut-off events. For 265419/265432 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 20394 event pairs, 24 based on Foata normal form. 14/2052 useless extension candidates. Maximal degree in co-relation 31192. Up to 1172 conditions per place. [2021-03-26 15:10:40,624 INFO L132 encePairwiseOnDemand]: 147/169 looper letters, 781 selfloop transitions, 136 changer transitions 15/950 dead transitions. [2021-03-26 15:10:40,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 860 places, 950 transitions, 32242 flow [2021-03-26 15:10:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:10:40,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:10:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 623 transitions. [2021-03-26 15:10:40,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33512641204948895 [2021-03-26 15:10:40,626 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 623 transitions. [2021-03-26 15:10:40,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 623 transitions. [2021-03-26 15:10:40,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:40,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 623 transitions. [2021-03-26 15:10:40,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.63636363636363) internal successors, (623), 11 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:40,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 169.0) internal successors, (2028), 12 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:40,627 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 169.0) internal successors, (2028), 12 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:40,627 INFO L185 Difference]: Start difference. First operand has 850 places, 936 transitions, 29586 flow. Second operand 11 states and 623 transitions. [2021-03-26 15:10:40,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 860 places, 950 transitions, 32242 flow [2021-03-26 15:10:42,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 849 places, 950 transitions, 30928 flow, removed 628 selfloop flow, removed 11 redundant places. [2021-03-26 15:10:42,766 INFO L241 Difference]: Finished difference. Result has 852 places, 924 transitions, 28337 flow [2021-03-26 15:10:42,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=28276, PETRI_DIFFERENCE_MINUEND_PLACES=839, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=936, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=800, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=28337, PETRI_PLACES=852, PETRI_TRANSITIONS=924} [2021-03-26 15:10:42,767 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 799 predicate places. [2021-03-26 15:10:42,767 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:42,767 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 852 places, 924 transitions, 28337 flow [2021-03-26 15:10:42,767 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 852 places, 924 transitions, 28337 flow [2021-03-26 15:10:42,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 848 places, 924 transitions, 28337 flow [2021-03-26 15:10:43,469 INFO L129 PetriNetUnfolder]: 892/2297 cut-off events. [2021-03-26 15:10:43,469 INFO L130 PetriNetUnfolder]: For 246141/246143 co-relation queries the response was YES. [2021-03-26 15:10:43,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28820 conditions, 2297 events. 892/2297 cut-off events. For 246141/246143 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 19504 event pairs, 33 based on Foata normal form. 0/1932 useless extension candidates. Maximal degree in co-relation 28469. Up to 418 conditions per place. [2021-03-26 15:10:43,559 INFO L142 LiptonReduction]: Number of co-enabled transitions 4244 [2021-03-26 15:10:43,650 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:43,651 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:43,651 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 884 [2021-03-26 15:10:43,651 INFO L480 AbstractCegarLoop]: Abstraction has has 848 places, 924 transitions, 28337 flow [2021-03-26 15:10:43,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:43,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:43,651 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:43,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable308 [2021-03-26 15:10:43,651 INFO L428 AbstractCegarLoop]: === Iteration 310 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:43,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:43,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1109386548, now seen corresponding path program 7 times [2021-03-26 15:10:43,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:43,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960660245] [2021-03-26 15:10:43,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:43,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:43,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:43,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:43,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:43,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:43,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:43,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:43,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:43,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:43,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:43,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:43,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:10:43,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:43,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:10:43,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:43,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:43,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:43,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:43,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:10:43,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:43,741 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:43,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:43,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960660245] [2021-03-26 15:10:43,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:43,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:10:43,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235681229] [2021-03-26 15:10:43,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:10:43,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:43,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:10:43,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:10:43,744 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 169 [2021-03-26 15:10:43,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 924 transitions, 28337 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:43,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:43,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 169 [2021-03-26 15:10:43,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:45,120 INFO L129 PetriNetUnfolder]: 952/2409 cut-off events. [2021-03-26 15:10:45,120 INFO L130 PetriNetUnfolder]: For 253201/253221 co-relation queries the response was YES. [2021-03-26 15:10:45,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30845 conditions, 2409 events. 952/2409 cut-off events. For 253201/253221 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 20117 event pairs, 31 based on Foata normal form. 19/2038 useless extension candidates. Maximal degree in co-relation 30491. Up to 1259 conditions per place. [2021-03-26 15:10:45,188 INFO L132 encePairwiseOnDemand]: 151/169 looper letters, 855 selfloop transitions, 59 changer transitions 0/932 dead transitions. [2021-03-26 15:10:45,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 859 places, 932 transitions, 30447 flow [2021-03-26 15:10:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:10:45,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:10:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 658 transitions. [2021-03-26 15:10:45,190 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3244575936883629 [2021-03-26 15:10:45,190 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 658 transitions. [2021-03-26 15:10:45,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 658 transitions. [2021-03-26 15:10:45,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:45,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 658 transitions. [2021-03-26 15:10:45,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.833333333333336) internal successors, (658), 12 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:45,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 169.0) internal successors, (2197), 13 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:45,191 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 169.0) internal successors, (2197), 13 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:45,191 INFO L185 Difference]: Start difference. First operand has 848 places, 924 transitions, 28337 flow. Second operand 12 states and 658 transitions. [2021-03-26 15:10:45,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 859 places, 932 transitions, 30447 flow [2021-03-26 15:10:47,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 842 places, 932 transitions, 30060 flow, removed 37 selfloop flow, removed 17 redundant places. [2021-03-26 15:10:47,324 INFO L241 Difference]: Finished difference. Result has 846 places, 927 transitions, 28339 flow [2021-03-26 15:10:47,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=27952, PETRI_DIFFERENCE_MINUEND_PLACES=831, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=924, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=865, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=28339, PETRI_PLACES=846, PETRI_TRANSITIONS=927} [2021-03-26 15:10:47,325 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 793 predicate places. [2021-03-26 15:10:47,325 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:47,325 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 846 places, 927 transitions, 28339 flow [2021-03-26 15:10:47,325 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 846 places, 927 transitions, 28339 flow [2021-03-26 15:10:47,333 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 846 places, 927 transitions, 28339 flow [2021-03-26 15:10:47,966 INFO L129 PetriNetUnfolder]: 887/2291 cut-off events. [2021-03-26 15:10:47,966 INFO L130 PetriNetUnfolder]: For 245556/245577 co-relation queries the response was YES. [2021-03-26 15:10:48,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28626 conditions, 2291 events. 887/2291 cut-off events. For 245556/245577 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 19491 event pairs, 34 based on Foata normal form. 5/1933 useless extension candidates. Maximal degree in co-relation 28276. Up to 419 conditions per place. [2021-03-26 15:10:48,068 INFO L142 LiptonReduction]: Number of co-enabled transitions 4278 [2021-03-26 15:10:48,406 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:48,407 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:10:48,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1082 [2021-03-26 15:10:48,407 INFO L480 AbstractCegarLoop]: Abstraction has has 846 places, 927 transitions, 28370 flow [2021-03-26 15:10:48,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:48,407 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:48,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:48,407 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable309 [2021-03-26 15:10:48,407 INFO L428 AbstractCegarLoop]: === Iteration 311 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:48,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:48,407 INFO L82 PathProgramCache]: Analyzing trace with hash 911330148, now seen corresponding path program 8 times [2021-03-26 15:10:48,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:48,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818161621] [2021-03-26 15:10:48,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:48,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:48,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:48,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:48,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:48,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:48,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:48,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:48,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:48,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:48,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:48,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:48,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:10:48,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:48,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:10:48,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:48,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:48,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:48,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:48,482 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:10:48,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:48,508 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:48,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:48,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818161621] [2021-03-26 15:10:48,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:48,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:10:48,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328315232] [2021-03-26 15:10:48,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:10:48,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:48,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:10:48,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:10:48,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 15:10:48,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 846 places, 927 transitions, 28370 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:48,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:48,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 15:10:48,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:50,078 INFO L129 PetriNetUnfolder]: 950/2412 cut-off events. [2021-03-26 15:10:50,078 INFO L130 PetriNetUnfolder]: For 257453/257459 co-relation queries the response was YES. [2021-03-26 15:10:50,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30943 conditions, 2412 events. 950/2412 cut-off events. For 257453/257459 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 20198 event pairs, 23 based on Foata normal form. 7/2032 useless extension candidates. Maximal degree in co-relation 30590. Up to 1233 conditions per place. [2021-03-26 15:10:50,146 INFO L132 encePairwiseOnDemand]: 149/170 looper letters, 829 selfloop transitions, 96 changer transitions 0/943 dead transitions. [2021-03-26 15:10:50,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 858 places, 943 transitions, 30872 flow [2021-03-26 15:10:50,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:10:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:10:50,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 727 transitions. [2021-03-26 15:10:50,147 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32895927601809954 [2021-03-26 15:10:50,147 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 727 transitions. [2021-03-26 15:10:50,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 727 transitions. [2021-03-26 15:10:50,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:50,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 727 transitions. [2021-03-26 15:10:50,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.92307692307692) internal successors, (727), 13 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:50,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:50,149 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 170.0) internal successors, (2380), 14 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:50,149 INFO L185 Difference]: Start difference. First operand has 846 places, 927 transitions, 28370 flow. Second operand 13 states and 727 transitions. [2021-03-26 15:10:50,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 858 places, 943 transitions, 30872 flow [2021-03-26 15:10:52,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 850 places, 943 transitions, 30549 flow, removed 107 selfloop flow, removed 8 redundant places. [2021-03-26 15:10:52,256 INFO L241 Difference]: Finished difference. Result has 854 places, 934 transitions, 28889 flow [2021-03-26 15:10:52,256 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=28047, PETRI_DIFFERENCE_MINUEND_PLACES=838, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=927, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=832, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=28889, PETRI_PLACES=854, PETRI_TRANSITIONS=934} [2021-03-26 15:10:52,256 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 801 predicate places. [2021-03-26 15:10:52,256 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:52,256 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 854 places, 934 transitions, 28889 flow [2021-03-26 15:10:52,256 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 854 places, 934 transitions, 28889 flow [2021-03-26 15:10:52,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 854 places, 934 transitions, 28889 flow [2021-03-26 15:10:52,898 INFO L129 PetriNetUnfolder]: 902/2334 cut-off events. [2021-03-26 15:10:52,899 INFO L130 PetriNetUnfolder]: For 250562/250565 co-relation queries the response was YES. [2021-03-26 15:10:52,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29056 conditions, 2334 events. 902/2334 cut-off events. For 250562/250565 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 20017 event pairs, 29 based on Foata normal form. 1/1959 useless extension candidates. Maximal degree in co-relation 28702. Up to 423 conditions per place. [2021-03-26 15:10:53,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 4314 [2021-03-26 15:10:53,100 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:53,100 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:53,100 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 844 [2021-03-26 15:10:53,100 INFO L480 AbstractCegarLoop]: Abstraction has has 854 places, 934 transitions, 28889 flow [2021-03-26 15:10:53,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:53,100 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:53,100 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:10:53,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable310 [2021-03-26 15:10:53,101 INFO L428 AbstractCegarLoop]: === Iteration 312 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:53,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:53,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1021777906, now seen corresponding path program 1 times [2021-03-26 15:10:53,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:53,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355916636] [2021-03-26 15:10:53,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:53,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:53,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:53,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:53,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:53,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:53,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:53,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:53,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:53,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:53,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:53,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:53,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:10:53,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:53,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:53,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:53,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:53,162 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:10:53,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:53,166 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:53,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:53,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355916636] [2021-03-26 15:10:53,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:53,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:10:53,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432831779] [2021-03-26 15:10:53,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:10:53,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:53,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:10:53,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:10:53,170 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 15:10:53,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 854 places, 934 transitions, 28889 flow. Second operand has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:53,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:53,170 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 15:10:53,170 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:54,494 INFO L129 PetriNetUnfolder]: 965/2454 cut-off events. [2021-03-26 15:10:54,495 INFO L130 PetriNetUnfolder]: For 260742/260746 co-relation queries the response was YES. [2021-03-26 15:10:54,551 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31361 conditions, 2454 events. 965/2454 cut-off events. For 260742/260746 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 20685 event pairs, 24 based on Foata normal form. 6/2061 useless extension candidates. Maximal degree in co-relation 31004. Up to 1211 conditions per place. [2021-03-26 15:10:54,563 INFO L132 encePairwiseOnDemand]: 152/170 looper letters, 794 selfloop transitions, 139 changer transitions 0/951 dead transitions. [2021-03-26 15:10:54,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 861 places, 951 transitions, 31497 flow [2021-03-26 15:10:54,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:10:54,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:10:54,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 472 transitions. [2021-03-26 15:10:54,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34705882352941175 [2021-03-26 15:10:54,564 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 472 transitions. [2021-03-26 15:10:54,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 472 transitions. [2021-03-26 15:10:54,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:54,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 472 transitions. [2021-03-26 15:10:54,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 59.0) internal successors, (472), 8 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:54,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 170.0) internal successors, (1530), 9 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:54,566 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 170.0) internal successors, (1530), 9 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:54,566 INFO L185 Difference]: Start difference. First operand has 854 places, 934 transitions, 28889 flow. Second operand 8 states and 472 transitions. [2021-03-26 15:10:54,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 861 places, 951 transitions, 31497 flow [2021-03-26 15:10:56,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 854 places, 951 transitions, 31023 flow, removed 192 selfloop flow, removed 7 redundant places. [2021-03-26 15:10:56,786 INFO L241 Difference]: Finished difference. Result has 859 places, 942 transitions, 29231 flow [2021-03-26 15:10:56,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=28415, PETRI_DIFFERENCE_MINUEND_PLACES=847, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=934, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=795, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29231, PETRI_PLACES=859, PETRI_TRANSITIONS=942} [2021-03-26 15:10:56,786 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 806 predicate places. [2021-03-26 15:10:56,786 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:10:56,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 859 places, 942 transitions, 29231 flow [2021-03-26 15:10:56,786 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 859 places, 942 transitions, 29231 flow [2021-03-26 15:10:56,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 942 transitions, 29231 flow [2021-03-26 15:10:57,451 INFO L129 PetriNetUnfolder]: 905/2347 cut-off events. [2021-03-26 15:10:57,451 INFO L130 PetriNetUnfolder]: For 256871/256891 co-relation queries the response was YES. [2021-03-26 15:10:57,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29441 conditions, 2347 events. 905/2347 cut-off events. For 256871/256891 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 20222 event pairs, 33 based on Foata normal form. 4/1974 useless extension candidates. Maximal degree in co-relation 29081. Up to 427 conditions per place. [2021-03-26 15:10:57,557 INFO L142 LiptonReduction]: Number of co-enabled transitions 4388 [2021-03-26 15:10:57,660 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:10:57,660 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:10:57,660 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 874 [2021-03-26 15:10:57,660 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 942 transitions, 29231 flow [2021-03-26 15:10:57,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.5) internal successors, (396), 8 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:57,660 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:10:57,661 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, 1, 1] [2021-03-26 15:10:57,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable311 [2021-03-26 15:10:57,661 INFO L428 AbstractCegarLoop]: === Iteration 313 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:10:57,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:10:57,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1321800540, now seen corresponding path program 2 times [2021-03-26 15:10:57,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:10:57,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426056760] [2021-03-26 15:10:57,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:10:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:10:57,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:57,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:10:57,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:57,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:10:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:57,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:57,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:57,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:57,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:57,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:57,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:10:57,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:57,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:57,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:10:57,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:10:57,726 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:10:57,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:10:57,739 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:10:57,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:10:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:10:57,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426056760] [2021-03-26 15:10:57,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:10:57,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:10:57,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929851081] [2021-03-26 15:10:57,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:10:57,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:10:57,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:10:57,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:10:57,742 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 15:10:57,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 942 transitions, 29231 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:57,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:10:57,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 15:10:57,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:10:59,238 INFO L129 PetriNetUnfolder]: 972/2484 cut-off events. [2021-03-26 15:10:59,238 INFO L130 PetriNetUnfolder]: For 260652/260665 co-relation queries the response was YES. [2021-03-26 15:10:59,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31620 conditions, 2484 events. 972/2484 cut-off events. For 260652/260665 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 21037 event pairs, 29 based on Foata normal form. 14/2091 useless extension candidates. Maximal degree in co-relation 31257. Up to 1239 conditions per place. [2021-03-26 15:10:59,308 INFO L132 encePairwiseOnDemand]: 151/170 looper letters, 823 selfloop transitions, 97 changer transitions 16/954 dead transitions. [2021-03-26 15:10:59,308 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 867 places, 954 transitions, 31321 flow [2021-03-26 15:10:59,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 15:10:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 15:10:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 527 transitions. [2021-03-26 15:10:59,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.34444444444444444 [2021-03-26 15:10:59,309 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 527 transitions. [2021-03-26 15:10:59,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 527 transitions. [2021-03-26 15:10:59,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:10:59,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 527 transitions. [2021-03-26 15:10:59,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 58.55555555555556) internal successors, (527), 9 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:59,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 170.0) internal successors, (1700), 10 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:59,310 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 170.0) internal successors, (1700), 10 states have internal predecessors, (1700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:10:59,311 INFO L185 Difference]: Start difference. First operand has 859 places, 942 transitions, 29231 flow. Second operand 9 states and 527 transitions. [2021-03-26 15:10:59,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 867 places, 954 transitions, 31321 flow [2021-03-26 15:11:01,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 864 places, 954 transitions, 31118 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-03-26 15:11:01,716 INFO L241 Difference]: Finished difference. Result has 868 places, 930 transitions, 28944 flow [2021-03-26 15:11:01,716 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=29028, PETRI_DIFFERENCE_MINUEND_PLACES=856, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=845, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=28944, PETRI_PLACES=868, PETRI_TRANSITIONS=930} [2021-03-26 15:11:01,716 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 815 predicate places. [2021-03-26 15:11:01,716 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:01,716 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 868 places, 930 transitions, 28944 flow [2021-03-26 15:11:01,717 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 868 places, 930 transitions, 28944 flow [2021-03-26 15:11:01,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 867 places, 930 transitions, 28944 flow [2021-03-26 15:11:02,362 INFO L129 PetriNetUnfolder]: 883/2279 cut-off events. [2021-03-26 15:11:02,363 INFO L130 PetriNetUnfolder]: For 248292/248313 co-relation queries the response was YES. [2021-03-26 15:11:02,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29238 conditions, 2279 events. 883/2279 cut-off events. For 248292/248313 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 19421 event pairs, 38 based on Foata normal form. 5/1928 useless extension candidates. Maximal degree in co-relation 28874. Up to 424 conditions per place. [2021-03-26 15:11:02,465 INFO L142 LiptonReduction]: Number of co-enabled transitions 4296 [2021-03-26 15:11:02,571 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:02,572 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:02,572 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 856 [2021-03-26 15:11:02,572 INFO L480 AbstractCegarLoop]: Abstraction has has 867 places, 930 transitions, 28944 flow [2021-03-26 15:11:02,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:02,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:02,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:02,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable312 [2021-03-26 15:11:02,572 INFO L428 AbstractCegarLoop]: === Iteration 314 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:02,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:02,572 INFO L82 PathProgramCache]: Analyzing trace with hash -901471738, now seen corresponding path program 9 times [2021-03-26 15:11:02,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:02,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431628844] [2021-03-26 15:11:02,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:02,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:02,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:02,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:02,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:02,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:02,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:02,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:02,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:02,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:02,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:02,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:11:02,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:02,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:11:02,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:02,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:02,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:02,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:02,647 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:11:02,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:02,651 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:02,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:02,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431628844] [2021-03-26 15:11:02,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:02,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:11:02,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413672019] [2021-03-26 15:11:02,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:11:02,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:02,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:11:02,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:11:02,655 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 15:11:02,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 867 places, 930 transitions, 28944 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:02,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:02,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 15:11:02,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:04,181 INFO L129 PetriNetUnfolder]: 962/2433 cut-off events. [2021-03-26 15:11:04,182 INFO L130 PetriNetUnfolder]: For 266973/266986 co-relation queries the response was YES. [2021-03-26 15:11:04,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31870 conditions, 2433 events. 962/2433 cut-off events. For 266973/266986 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 20337 event pairs, 26 based on Foata normal form. 14/2053 useless extension candidates. Maximal degree in co-relation 31503. Up to 1259 conditions per place. [2021-03-26 15:11:04,244 INFO L132 encePairwiseOnDemand]: 152/170 looper letters, 855 selfloop transitions, 77 changer transitions 0/950 dead transitions. [2021-03-26 15:11:04,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 878 places, 950 transitions, 32236 flow [2021-03-26 15:11:04,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:11:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:11:04,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 662 transitions. [2021-03-26 15:11:04,246 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32450980392156864 [2021-03-26 15:11:04,246 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 662 transitions. [2021-03-26 15:11:04,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 662 transitions. [2021-03-26 15:11:04,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:04,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 662 transitions. [2021-03-26 15:11:04,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.166666666666664) internal successors, (662), 12 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:04,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:04,247 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 170.0) internal successors, (2210), 13 states have internal predecessors, (2210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:04,247 INFO L185 Difference]: Start difference. First operand has 867 places, 930 transitions, 28944 flow. Second operand 12 states and 662 transitions. [2021-03-26 15:11:04,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 878 places, 950 transitions, 32236 flow [2021-03-26 15:11:06,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 857 places, 950 transitions, 31685 flow, removed 16 selfloop flow, removed 21 redundant places. [2021-03-26 15:11:06,681 INFO L241 Difference]: Finished difference. Result has 859 places, 944 transitions, 29846 flow [2021-03-26 15:11:06,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=28411, PETRI_DIFFERENCE_MINUEND_PLACES=846, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=930, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=863, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=29846, PETRI_PLACES=859, PETRI_TRANSITIONS=944} [2021-03-26 15:11:06,681 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 806 predicate places. [2021-03-26 15:11:06,681 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:06,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 859 places, 944 transitions, 29846 flow [2021-03-26 15:11:06,681 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 859 places, 944 transitions, 29846 flow [2021-03-26 15:11:06,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 944 transitions, 29846 flow [2021-03-26 15:11:07,352 INFO L129 PetriNetUnfolder]: 909/2344 cut-off events. [2021-03-26 15:11:07,352 INFO L130 PetriNetUnfolder]: For 262792/262795 co-relation queries the response was YES. [2021-03-26 15:11:07,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29781 conditions, 2344 events. 909/2344 cut-off events. For 262792/262795 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 20018 event pairs, 33 based on Foata normal form. 1/1967 useless extension candidates. Maximal degree in co-relation 29422. Up to 433 conditions per place. [2021-03-26 15:11:07,460 INFO L142 LiptonReduction]: Number of co-enabled transitions 4346 [2021-03-26 15:11:07,568 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:07,568 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:07,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 887 [2021-03-26 15:11:07,568 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 944 transitions, 29846 flow [2021-03-26 15:11:07,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:07,568 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:07,568 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:07,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313 [2021-03-26 15:11:07,569 INFO L428 AbstractCegarLoop]: === Iteration 315 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:07,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:07,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1158728404, now seen corresponding path program 10 times [2021-03-26 15:11:07,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:07,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554570055] [2021-03-26 15:11:07,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:07,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:07,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:07,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:07,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:07,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:07,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:07,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:07,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:07,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:07,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:07,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:07,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:07,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:07,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:07,617 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:11:07,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:11:07,620 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:11:07,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:11:07,632 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:11:07,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:07,645 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:07,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:07,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:07,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554570055] [2021-03-26 15:11:07,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:07,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:11:07,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630256453] [2021-03-26 15:11:07,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:11:07,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:07,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:11:07,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:11:07,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 15:11:07,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 944 transitions, 29846 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:07,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:07,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 15:11:07,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:09,262 INFO L129 PetriNetUnfolder]: 968/2453 cut-off events. [2021-03-26 15:11:09,262 INFO L130 PetriNetUnfolder]: For 273237/273241 co-relation queries the response was YES. [2021-03-26 15:11:09,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32001 conditions, 2453 events. 968/2453 cut-off events. For 273237/273241 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 20571 event pairs, 25 based on Foata normal form. 5/2059 useless extension candidates. Maximal degree in co-relation 31639. Up to 1265 conditions per place. [2021-03-26 15:11:09,323 INFO L132 encePairwiseOnDemand]: 152/170 looper letters, 858 selfloop transitions, 76 changer transitions 4/956 dead transitions. [2021-03-26 15:11:09,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 868 places, 956 transitions, 32287 flow [2021-03-26 15:11:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:11:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:11:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 564 transitions. [2021-03-26 15:11:09,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.33176470588235296 [2021-03-26 15:11:09,324 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 564 transitions. [2021-03-26 15:11:09,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 564 transitions. [2021-03-26 15:11:09,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:09,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 564 transitions. [2021-03-26 15:11:09,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 56.4) internal successors, (564), 10 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:09,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:09,325 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 170.0) internal successors, (1870), 11 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:09,325 INFO L185 Difference]: Start difference. First operand has 859 places, 944 transitions, 29846 flow. Second operand 10 states and 564 transitions. [2021-03-26 15:11:09,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 868 places, 956 transitions, 32287 flow [2021-03-26 15:11:11,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 866 places, 956 transitions, 31167 flow, removed 554 selfloop flow, removed 2 redundant places. [2021-03-26 15:11:11,683 INFO L241 Difference]: Finished difference. Result has 869 places, 944 transitions, 29107 flow [2021-03-26 15:11:11,683 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=28726, PETRI_DIFFERENCE_MINUEND_PLACES=857, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=868, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=29107, PETRI_PLACES=869, PETRI_TRANSITIONS=944} [2021-03-26 15:11:11,683 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 816 predicate places. [2021-03-26 15:11:11,683 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:11,683 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 869 places, 944 transitions, 29107 flow [2021-03-26 15:11:11,683 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 869 places, 944 transitions, 29107 flow [2021-03-26 15:11:11,692 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 868 places, 944 transitions, 29107 flow [2021-03-26 15:11:12,332 INFO L129 PetriNetUnfolder]: 906/2337 cut-off events. [2021-03-26 15:11:12,332 INFO L130 PetriNetUnfolder]: For 262313/262334 co-relation queries the response was YES. [2021-03-26 15:11:12,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29355 conditions, 2337 events. 906/2337 cut-off events. For 262313/262334 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 19968 event pairs, 34 based on Foata normal form. 5/1967 useless extension candidates. Maximal degree in co-relation 28992. Up to 422 conditions per place. [2021-03-26 15:11:12,437 INFO L142 LiptonReduction]: Number of co-enabled transitions 4366 [2021-03-26 15:11:12,536 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:12,536 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:12,536 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 853 [2021-03-26 15:11:12,536 INFO L480 AbstractCegarLoop]: Abstraction has has 868 places, 944 transitions, 29107 flow [2021-03-26 15:11:12,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:12,536 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:12,536 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:12,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable314 [2021-03-26 15:11:12,536 INFO L428 AbstractCegarLoop]: === Iteration 316 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:12,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:12,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1030815752, now seen corresponding path program 11 times [2021-03-26 15:11:12,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:12,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899973302] [2021-03-26 15:11:12,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:12,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:12,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:12,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:12,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:12,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:12,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:12,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:12,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:12,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:12,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:12,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:12,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:12,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:12,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:12,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:12,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:12,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:12,610 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:11:12,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:12,624 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:12,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:12,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899973302] [2021-03-26 15:11:12,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:12,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:11:12,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167813328] [2021-03-26 15:11:12,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:11:12,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:12,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:11:12,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:11:12,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 170 [2021-03-26 15:11:12,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 868 places, 944 transitions, 29107 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:12,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:12,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 170 [2021-03-26 15:11:12,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:14,100 INFO L129 PetriNetUnfolder]: 970/2466 cut-off events. [2021-03-26 15:11:14,100 INFO L130 PetriNetUnfolder]: For 260218/260222 co-relation queries the response was YES. [2021-03-26 15:11:14,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31507 conditions, 2466 events. 970/2466 cut-off events. For 260218/260222 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 20741 event pairs, 30 based on Foata normal form. 5/2068 useless extension candidates. Maximal degree in co-relation 31141. Up to 1277 conditions per place. [2021-03-26 15:11:14,292 INFO L132 encePairwiseOnDemand]: 152/170 looper letters, 879 selfloop transitions, 49 changer transitions 5/951 dead transitions. [2021-03-26 15:11:14,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 881 places, 951 transitions, 31129 flow [2021-03-26 15:11:14,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:11:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:11:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 754 transitions. [2021-03-26 15:11:14,293 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3168067226890756 [2021-03-26 15:11:14,293 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 754 transitions. [2021-03-26 15:11:14,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 754 transitions. [2021-03-26 15:11:14,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:14,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 754 transitions. [2021-03-26 15:11:14,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 53.857142857142854) internal successors, (754), 14 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:14,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 170.0) internal successors, (2550), 15 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:14,295 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 170.0) internal successors, (2550), 15 states have internal predecessors, (2550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:14,295 INFO L185 Difference]: Start difference. First operand has 868 places, 944 transitions, 29107 flow. Second operand 14 states and 754 transitions. [2021-03-26 15:11:14,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 881 places, 951 transitions, 31129 flow [2021-03-26 15:11:16,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 872 places, 951 transitions, 30836 flow, removed 70 selfloop flow, removed 9 redundant places. [2021-03-26 15:11:16,464 INFO L241 Difference]: Finished difference. Result has 873 places, 940 transitions, 28756 flow [2021-03-26 15:11:16,465 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=170, PETRI_DIFFERENCE_MINUEND_FLOW=28816, PETRI_DIFFERENCE_MINUEND_PLACES=859, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=895, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=28756, PETRI_PLACES=873, PETRI_TRANSITIONS=940} [2021-03-26 15:11:16,465 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 820 predicate places. [2021-03-26 15:11:16,465 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:16,465 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 873 places, 940 transitions, 28756 flow [2021-03-26 15:11:16,465 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 873 places, 940 transitions, 28756 flow [2021-03-26 15:11:16,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 870 places, 940 transitions, 28756 flow [2021-03-26 15:11:17,126 INFO L129 PetriNetUnfolder]: 907/2349 cut-off events. [2021-03-26 15:11:17,126 INFO L130 PetriNetUnfolder]: For 257950/257952 co-relation queries the response was YES. [2021-03-26 15:11:17,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29295 conditions, 2349 events. 907/2349 cut-off events. For 257950/257952 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 20140 event pairs, 32 based on Foata normal form. 0/1971 useless extension candidates. Maximal degree in co-relation 28933. Up to 422 conditions per place. [2021-03-26 15:11:17,235 INFO L142 LiptonReduction]: Number of co-enabled transitions 4336 [2021-03-26 15:11:17,495 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:17,495 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:11:17,495 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1030 [2021-03-26 15:11:17,495 INFO L480 AbstractCegarLoop]: Abstraction has has 870 places, 940 transitions, 28770 flow [2021-03-26 15:11:17,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:17,495 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:17,495 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:17,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315 [2021-03-26 15:11:17,495 INFO L428 AbstractCegarLoop]: === Iteration 317 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:17,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:17,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1248357816, now seen corresponding path program 12 times [2021-03-26 15:11:17,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:17,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886574803] [2021-03-26 15:11:17,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:17,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:17,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:17,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:17,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:17,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:17,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:17,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:17,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:17,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:17,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:17,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:17,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:17,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:17,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:17,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:17,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:17,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:17,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:17,569 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:11:17,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:17,583 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:17,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:17,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886574803] [2021-03-26 15:11:17,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:17,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:11:17,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663450385] [2021-03-26 15:11:17,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:11:17,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:17,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:11:17,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:11:17,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 171 [2021-03-26 15:11:17,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 870 places, 940 transitions, 28770 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:17,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:17,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 171 [2021-03-26 15:11:17,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:19,241 INFO L129 PetriNetUnfolder]: 976/2482 cut-off events. [2021-03-26 15:11:19,242 INFO L130 PetriNetUnfolder]: For 286420/286426 co-relation queries the response was YES. [2021-03-26 15:11:19,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32385 conditions, 2482 events. 976/2482 cut-off events. For 286420/286426 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 20861 event pairs, 17 based on Foata normal form. 9/2089 useless extension candidates. Maximal degree in co-relation 32020. Up to 1194 conditions per place. [2021-03-26 15:11:19,316 INFO L132 encePairwiseOnDemand]: 152/171 looper letters, 769 selfloop transitions, 171 changer transitions 11/969 dead transitions. [2021-03-26 15:11:19,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 880 places, 969 transitions, 32853 flow [2021-03-26 15:11:19,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:11:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:11:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 620 transitions. [2021-03-26 15:11:19,318 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32961190855927697 [2021-03-26 15:11:19,318 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 620 transitions. [2021-03-26 15:11:19,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 620 transitions. [2021-03-26 15:11:19,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:19,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 620 transitions. [2021-03-26 15:11:19,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.36363636363637) internal successors, (620), 11 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:19,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 171.0) internal successors, (2052), 12 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:19,319 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 171.0) internal successors, (2052), 12 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:19,319 INFO L185 Difference]: Start difference. First operand has 870 places, 940 transitions, 28770 flow. Second operand 11 states and 620 transitions. [2021-03-26 15:11:19,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 880 places, 969 transitions, 32853 flow [2021-03-26 15:11:21,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 867 places, 969 transitions, 32635 flow, removed 24 selfloop flow, removed 13 redundant places. [2021-03-26 15:11:21,736 INFO L241 Difference]: Finished difference. Result has 871 places, 949 transitions, 30284 flow [2021-03-26 15:11:21,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=28560, PETRI_DIFFERENCE_MINUEND_PLACES=857, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=779, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30284, PETRI_PLACES=871, PETRI_TRANSITIONS=949} [2021-03-26 15:11:21,736 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 818 predicate places. [2021-03-26 15:11:21,736 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:21,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 871 places, 949 transitions, 30284 flow [2021-03-26 15:11:21,737 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 871 places, 949 transitions, 30284 flow [2021-03-26 15:11:21,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 867 places, 949 transitions, 30284 flow [2021-03-26 15:11:22,400 INFO L129 PetriNetUnfolder]: 912/2353 cut-off events. [2021-03-26 15:11:22,400 INFO L130 PetriNetUnfolder]: For 271903/271908 co-relation queries the response was YES. [2021-03-26 15:11:22,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30231 conditions, 2353 events. 912/2353 cut-off events. For 271903/271908 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 20110 event pairs, 33 based on Foata normal form. 3/1977 useless extension candidates. Maximal degree in co-relation 29867. Up to 434 conditions per place. [2021-03-26 15:11:22,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 4334 [2021-03-26 15:11:22,610 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:22,611 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:22,611 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 875 [2021-03-26 15:11:22,611 INFO L480 AbstractCegarLoop]: Abstraction has has 867 places, 949 transitions, 30284 flow [2021-03-26 15:11:22,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:22,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:22,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:22,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable316 [2021-03-26 15:11:22,611 INFO L428 AbstractCegarLoop]: === Iteration 318 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:22,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:22,611 INFO L82 PathProgramCache]: Analyzing trace with hash -481082518, now seen corresponding path program 2 times [2021-03-26 15:11:22,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:22,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353056588] [2021-03-26 15:11:22,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:22,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:22,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:22,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:22,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:22,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:22,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:22,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:22,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:22,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:22,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:22,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:22,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:22,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:22,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:22,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:22,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:22,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:22,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:22,734 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:11:22,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:22,743 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:11:22,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:22,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353056588] [2021-03-26 15:11:22,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:22,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:11:22,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236700159] [2021-03-26 15:11:22,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:11:22,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:22,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:11:22,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:11:22,746 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 171 [2021-03-26 15:11:22,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 867 places, 949 transitions, 30284 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:22,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:22,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 171 [2021-03-26 15:11:22,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:24,325 INFO L129 PetriNetUnfolder]: 967/2450 cut-off events. [2021-03-26 15:11:24,325 INFO L130 PetriNetUnfolder]: For 280671/280673 co-relation queries the response was YES. [2021-03-26 15:11:24,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32460 conditions, 2450 events. 967/2450 cut-off events. For 280671/280673 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 20553 event pairs, 26 based on Foata normal form. 3/2057 useless extension candidates. Maximal degree in co-relation 32093. Up to 1265 conditions per place. [2021-03-26 15:11:24,396 INFO L132 encePairwiseOnDemand]: 155/171 looper letters, 864 selfloop transitions, 80 changer transitions 0/962 dead transitions. [2021-03-26 15:11:24,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 880 places, 962 transitions, 32629 flow [2021-03-26 15:11:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:11:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:11:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 765 transitions. [2021-03-26 15:11:24,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31954887218045114 [2021-03-26 15:11:24,398 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 765 transitions. [2021-03-26 15:11:24,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 765 transitions. [2021-03-26 15:11:24,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:24,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 765 transitions. [2021-03-26 15:11:24,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.642857142857146) internal successors, (765), 14 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:24,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 171.0) internal successors, (2565), 15 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:24,399 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 171.0) internal successors, (2565), 15 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:24,399 INFO L185 Difference]: Start difference. First operand has 867 places, 949 transitions, 30284 flow. Second operand 14 states and 765 transitions. [2021-03-26 15:11:24,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 880 places, 962 transitions, 32629 flow [2021-03-26 15:11:26,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 874 places, 962 transitions, 31672 flow, removed 415 selfloop flow, removed 6 redundant places. [2021-03-26 15:11:26,790 INFO L241 Difference]: Finished difference. Result has 876 places, 952 transitions, 29871 flow [2021-03-26 15:11:26,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=29331, PETRI_DIFFERENCE_MINUEND_PLACES=861, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=949, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=870, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=29871, PETRI_PLACES=876, PETRI_TRANSITIONS=952} [2021-03-26 15:11:26,790 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 823 predicate places. [2021-03-26 15:11:26,790 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:26,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 876 places, 952 transitions, 29871 flow [2021-03-26 15:11:26,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 876 places, 952 transitions, 29871 flow [2021-03-26 15:11:26,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 952 transitions, 29871 flow [2021-03-26 15:11:27,471 INFO L129 PetriNetUnfolder]: 921/2380 cut-off events. [2021-03-26 15:11:27,471 INFO L130 PetriNetUnfolder]: For 259946/259948 co-relation queries the response was YES. [2021-03-26 15:11:27,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29908 conditions, 2380 events. 921/2380 cut-off events. For 259946/259948 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 20411 event pairs, 32 based on Foata normal form. 0/1994 useless extension candidates. Maximal degree in co-relation 29544. Up to 421 conditions per place. [2021-03-26 15:11:27,581 INFO L142 LiptonReduction]: Number of co-enabled transitions 4354 [2021-03-26 15:11:27,690 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:27,691 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:27,691 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 901 [2021-03-26 15:11:27,691 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 952 transitions, 29871 flow [2021-03-26 15:11:27,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:27,691 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:27,691 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:27,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable317 [2021-03-26 15:11:27,691 INFO L428 AbstractCegarLoop]: === Iteration 319 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:27,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:27,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1918123570, now seen corresponding path program 13 times [2021-03-26 15:11:27,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:27,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713408125] [2021-03-26 15:11:27,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:27,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:27,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:27,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:27,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:27,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:27,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:27,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:27,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:27,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:27,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:27,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:27,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:11:27,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:27,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:11:27,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:27,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:27,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:27,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:27,776 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:11:27,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:27,780 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:27,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:27,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713408125] [2021-03-26 15:11:27,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:27,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:11:27,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135646136] [2021-03-26 15:11:27,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:11:27,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:27,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:11:27,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:11:27,784 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 171 [2021-03-26 15:11:27,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 952 transitions, 29871 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:27,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:27,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 171 [2021-03-26 15:11:27,784 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:29,249 INFO L129 PetriNetUnfolder]: 971/2467 cut-off events. [2021-03-26 15:11:29,249 INFO L130 PetriNetUnfolder]: For 268100/268113 co-relation queries the response was YES. [2021-03-26 15:11:29,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31972 conditions, 2467 events. 971/2467 cut-off events. For 268100/268113 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 20736 event pairs, 26 based on Foata normal form. 14/2082 useless extension candidates. Maximal degree in co-relation 31605. Up to 1293 conditions per place. [2021-03-26 15:11:29,319 INFO L132 encePairwiseOnDemand]: 153/171 looper letters, 894 selfloop transitions, 47 changer transitions 0/959 dead transitions. [2021-03-26 15:11:29,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 888 places, 959 transitions, 31992 flow [2021-03-26 15:11:29,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:11:29,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:11:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 700 transitions. [2021-03-26 15:11:29,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3148897885739991 [2021-03-26 15:11:29,321 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 700 transitions. [2021-03-26 15:11:29,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 700 transitions. [2021-03-26 15:11:29,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:29,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 700 transitions. [2021-03-26 15:11:29,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 53.84615384615385) internal successors, (700), 13 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:29,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 171.0) internal successors, (2394), 14 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:29,323 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 171.0) internal successors, (2394), 14 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:29,323 INFO L185 Difference]: Start difference. First operand has 876 places, 952 transitions, 29871 flow. Second operand 13 states and 700 transitions. [2021-03-26 15:11:29,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 888 places, 959 transitions, 31992 flow [2021-03-26 15:11:31,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 878 places, 959 transitions, 31616 flow, removed 137 selfloop flow, removed 10 redundant places. [2021-03-26 15:11:31,750 INFO L241 Difference]: Finished difference. Result has 881 places, 954 transitions, 29807 flow [2021-03-26 15:11:31,750 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=29495, PETRI_DIFFERENCE_MINUEND_PLACES=866, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=952, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=905, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=29807, PETRI_PLACES=881, PETRI_TRANSITIONS=954} [2021-03-26 15:11:31,751 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 828 predicate places. [2021-03-26 15:11:31,751 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:31,751 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 881 places, 954 transitions, 29807 flow [2021-03-26 15:11:31,751 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 881 places, 954 transitions, 29807 flow [2021-03-26 15:11:31,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 881 places, 954 transitions, 29807 flow [2021-03-26 15:11:32,423 INFO L129 PetriNetUnfolder]: 923/2391 cut-off events. [2021-03-26 15:11:32,423 INFO L130 PetriNetUnfolder]: For 261529/261531 co-relation queries the response was YES. [2021-03-26 15:11:32,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29928 conditions, 2391 events. 923/2391 cut-off events. For 261529/261531 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 20592 event pairs, 33 based on Foata normal form. 0/2001 useless extension candidates. Maximal degree in co-relation 29561. Up to 420 conditions per place. [2021-03-26 15:11:32,534 INFO L142 LiptonReduction]: Number of co-enabled transitions 4382 [2021-03-26 15:11:32,636 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:32,636 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:32,637 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 886 [2021-03-26 15:11:32,637 INFO L480 AbstractCegarLoop]: Abstraction has has 881 places, 954 transitions, 29807 flow [2021-03-26 15:11:32,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:32,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:32,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:32,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable318 [2021-03-26 15:11:32,637 INFO L428 AbstractCegarLoop]: === Iteration 320 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:32,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:32,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1167321198, now seen corresponding path program 14 times [2021-03-26 15:11:32,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:32,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226361208] [2021-03-26 15:11:32,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:32,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:32,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:32,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:32,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:32,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:32,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:32,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:32,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:32,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:32,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:32,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:11:32,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:32,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:32,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:32,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:32,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:32,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:32,719 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:11:32,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:32,725 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:32,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:32,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226361208] [2021-03-26 15:11:32,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:32,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:11:32,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705144718] [2021-03-26 15:11:32,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:11:32,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:32,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:11:32,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:11:32,728 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 171 [2021-03-26 15:11:32,728 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 881 places, 954 transitions, 29807 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:32,728 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:32,728 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 171 [2021-03-26 15:11:32,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:34,221 INFO L129 PetriNetUnfolder]: 964/2457 cut-off events. [2021-03-26 15:11:34,221 INFO L130 PetriNetUnfolder]: For 270766/270772 co-relation queries the response was YES. [2021-03-26 15:11:34,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31971 conditions, 2457 events. 964/2457 cut-off events. For 270766/270772 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 20649 event pairs, 18 based on Foata normal form. 7/2070 useless extension candidates. Maximal degree in co-relation 31601. Up to 1269 conditions per place. [2021-03-26 15:11:34,295 INFO L132 encePairwiseOnDemand]: 151/171 looper letters, 869 selfloop transitions, 78 changer transitions 0/965 dead transitions. [2021-03-26 15:11:34,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 891 places, 965 transitions, 31969 flow [2021-03-26 15:11:34,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:11:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:11:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 620 transitions. [2021-03-26 15:11:34,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32961190855927697 [2021-03-26 15:11:34,296 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 620 transitions. [2021-03-26 15:11:34,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 620 transitions. [2021-03-26 15:11:34,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:34,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 620 transitions. [2021-03-26 15:11:34,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.36363636363637) internal successors, (620), 11 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:34,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 171.0) internal successors, (2052), 12 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:34,297 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 171.0) internal successors, (2052), 12 states have internal predecessors, (2052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:34,297 INFO L185 Difference]: Start difference. First operand has 881 places, 954 transitions, 29807 flow. Second operand 11 states and 620 transitions. [2021-03-26 15:11:34,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 891 places, 965 transitions, 31969 flow [2021-03-26 15:11:36,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 882 places, 965 transitions, 31652 flow, removed 112 selfloop flow, removed 9 redundant places. [2021-03-26 15:11:36,642 INFO L241 Difference]: Finished difference. Result has 885 places, 957 transitions, 29890 flow [2021-03-26 15:11:36,643 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=29490, PETRI_DIFFERENCE_MINUEND_PLACES=872, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=954, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=876, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=29890, PETRI_PLACES=885, PETRI_TRANSITIONS=957} [2021-03-26 15:11:36,643 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 832 predicate places. [2021-03-26 15:11:36,643 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:36,643 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 885 places, 957 transitions, 29890 flow [2021-03-26 15:11:36,643 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 885 places, 957 transitions, 29890 flow [2021-03-26 15:11:36,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 885 places, 957 transitions, 29890 flow [2021-03-26 15:11:37,322 INFO L129 PetriNetUnfolder]: 926/2403 cut-off events. [2021-03-26 15:11:37,322 INFO L130 PetriNetUnfolder]: For 264464/264469 co-relation queries the response was YES. [2021-03-26 15:11:37,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29899 conditions, 2403 events. 926/2403 cut-off events. For 264464/264469 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 20708 event pairs, 33 based on Foata normal form. 1/2010 useless extension candidates. Maximal degree in co-relation 29529. Up to 420 conditions per place. [2021-03-26 15:11:37,433 INFO L142 LiptonReduction]: Number of co-enabled transitions 4406 [2021-03-26 15:11:37,534 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:37,534 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:37,534 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 891 [2021-03-26 15:11:37,535 INFO L480 AbstractCegarLoop]: Abstraction has has 885 places, 957 transitions, 29890 flow [2021-03-26 15:11:37,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:37,535 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:37,535 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:37,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable319 [2021-03-26 15:11:37,535 INFO L428 AbstractCegarLoop]: === Iteration 321 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:37,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:37,535 INFO L82 PathProgramCache]: Analyzing trace with hash -712537598, now seen corresponding path program 3 times [2021-03-26 15:11:37,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:37,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945899322] [2021-03-26 15:11:37,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:37,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:37,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:37,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:37,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:37,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:37,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:37,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:37,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:37,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:37,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:37,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:37,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:37,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:37,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:37,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:37,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:37,618 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:11:37,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:11:37,621 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:11:37,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:37,637 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:37,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:37,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945899322] [2021-03-26 15:11:37,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:37,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:11:37,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598386811] [2021-03-26 15:11:37,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:11:37,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:37,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:11:37,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:11:37,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 171 [2021-03-26 15:11:37,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 885 places, 957 transitions, 29890 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:37,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:37,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 171 [2021-03-26 15:11:37,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:39,327 INFO L129 PetriNetUnfolder]: 977/2490 cut-off events. [2021-03-26 15:11:39,327 INFO L130 PetriNetUnfolder]: For 272671/272675 co-relation queries the response was YES. [2021-03-26 15:11:39,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32378 conditions, 2490 events. 977/2490 cut-off events. For 272671/272675 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 21011 event pairs, 19 based on Foata normal form. 5/2093 useless extension candidates. Maximal degree in co-relation 32005. Up to 1269 conditions per place. [2021-03-26 15:11:39,401 INFO L132 encePairwiseOnDemand]: 152/171 looper letters, 867 selfloop transitions, 92 changer transitions 2/979 dead transitions. [2021-03-26 15:11:39,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 898 places, 979 transitions, 32606 flow [2021-03-26 15:11:39,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:11:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:11:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 774 transitions. [2021-03-26 15:11:39,403 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3233082706766917 [2021-03-26 15:11:39,403 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 774 transitions. [2021-03-26 15:11:39,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 774 transitions. [2021-03-26 15:11:39,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:39,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 774 transitions. [2021-03-26 15:11:39,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.285714285714285) internal successors, (774), 14 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:39,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 171.0) internal successors, (2565), 15 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:39,404 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 171.0) internal successors, (2565), 15 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:39,404 INFO L185 Difference]: Start difference. First operand has 885 places, 957 transitions, 29890 flow. Second operand 14 states and 774 transitions. [2021-03-26 15:11:39,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 898 places, 979 transitions, 32606 flow [2021-03-26 15:11:41,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 892 places, 979 transitions, 32248 flow, removed 124 selfloop flow, removed 6 redundant places. [2021-03-26 15:11:41,798 INFO L241 Difference]: Finished difference. Result has 894 places, 963 transitions, 30366 flow [2021-03-26 15:11:41,798 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=29532, PETRI_DIFFERENCE_MINUEND_PLACES=879, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=957, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=867, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=30366, PETRI_PLACES=894, PETRI_TRANSITIONS=963} [2021-03-26 15:11:41,798 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 841 predicate places. [2021-03-26 15:11:41,798 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:41,798 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 894 places, 963 transitions, 30366 flow [2021-03-26 15:11:41,799 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 894 places, 963 transitions, 30366 flow [2021-03-26 15:11:41,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 894 places, 963 transitions, 30366 flow [2021-03-26 15:11:42,482 INFO L129 PetriNetUnfolder]: 927/2407 cut-off events. [2021-03-26 15:11:42,482 INFO L130 PetriNetUnfolder]: For 265614/265616 co-relation queries the response was YES. [2021-03-26 15:11:42,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30385 conditions, 2407 events. 927/2407 cut-off events. For 265614/265616 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 20803 event pairs, 32 based on Foata normal form. 0/2018 useless extension candidates. Maximal degree in co-relation 30013. Up to 425 conditions per place. [2021-03-26 15:11:42,591 INFO L142 LiptonReduction]: Number of co-enabled transitions 4408 [2021-03-26 15:11:42,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:42,696 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:42,696 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 898 [2021-03-26 15:11:42,696 INFO L480 AbstractCegarLoop]: Abstraction has has 894 places, 963 transitions, 30366 flow [2021-03-26 15:11:42,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:42,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:42,697 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:42,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable320 [2021-03-26 15:11:42,697 INFO L428 AbstractCegarLoop]: === Iteration 322 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:42,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:42,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1516089643, now seen corresponding path program 12 times [2021-03-26 15:11:42,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:42,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383440955] [2021-03-26 15:11:42,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:42,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:42,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:42,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:42,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:42,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:42,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:42,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:42,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:42,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:42,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:42,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:42,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:42,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:42,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:42,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:42,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:42,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:42,784 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:11:42,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:42,800 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:42,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:42,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383440955] [2021-03-26 15:11:42,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:42,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:11:42,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757237452] [2021-03-26 15:11:42,802 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:11:42,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:42,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:11:42,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:11:42,803 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 171 [2021-03-26 15:11:42,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 894 places, 963 transitions, 30366 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:42,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:42,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 171 [2021-03-26 15:11:42,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:44,377 INFO L129 PetriNetUnfolder]: 978/2496 cut-off events. [2021-03-26 15:11:44,377 INFO L130 PetriNetUnfolder]: For 283405/283411 co-relation queries the response was YES. [2021-03-26 15:11:44,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32773 conditions, 2496 events. 978/2496 cut-off events. For 283405/283411 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 21070 event pairs, 19 based on Foata normal form. 7/2102 useless extension candidates. Maximal degree in co-relation 32398. Up to 1293 conditions per place. [2021-03-26 15:11:44,455 INFO L132 encePairwiseOnDemand]: 156/171 looper letters, 906 selfloop transitions, 53 changer transitions 0/977 dead transitions. [2021-03-26 15:11:44,455 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 906 places, 977 transitions, 33158 flow [2021-03-26 15:11:44,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:11:44,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:11:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 707 transitions. [2021-03-26 15:11:44,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3180386864597391 [2021-03-26 15:11:44,457 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 707 transitions. [2021-03-26 15:11:44,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 707 transitions. [2021-03-26 15:11:44,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:44,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 707 transitions. [2021-03-26 15:11:44,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.38461538461539) internal successors, (707), 13 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:44,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 171.0) internal successors, (2394), 14 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:44,458 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 171.0) internal successors, (2394), 14 states have internal predecessors, (2394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:44,458 INFO L185 Difference]: Start difference. First operand has 894 places, 963 transitions, 30366 flow. Second operand 13 states and 707 transitions. [2021-03-26 15:11:44,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 906 places, 977 transitions, 33158 flow [2021-03-26 15:11:47,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 895 places, 977 transitions, 32844 flow, removed 112 selfloop flow, removed 11 redundant places. [2021-03-26 15:11:47,254 INFO L241 Difference]: Finished difference. Result has 897 places, 969 transitions, 30977 flow [2021-03-26 15:11:47,254 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=30052, PETRI_DIFFERENCE_MINUEND_PLACES=883, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=913, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30977, PETRI_PLACES=897, PETRI_TRANSITIONS=969} [2021-03-26 15:11:47,254 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 844 predicate places. [2021-03-26 15:11:47,254 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:47,254 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 897 places, 969 transitions, 30977 flow [2021-03-26 15:11:47,254 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 897 places, 969 transitions, 30977 flow [2021-03-26 15:11:47,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 897 places, 969 transitions, 30977 flow [2021-03-26 15:11:48,003 INFO L129 PetriNetUnfolder]: 928/2420 cut-off events. [2021-03-26 15:11:48,003 INFO L130 PetriNetUnfolder]: For 277575/277579 co-relation queries the response was YES. [2021-03-26 15:11:48,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30604 conditions, 2420 events. 928/2420 cut-off events. For 277575/277579 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 20930 event pairs, 34 based on Foata normal form. 3/2031 useless extension candidates. Maximal degree in co-relation 30230. Up to 428 conditions per place. [2021-03-26 15:11:48,119 INFO L142 LiptonReduction]: Number of co-enabled transitions 4450 [2021-03-26 15:11:48,391 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:11:48,392 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:11:48,392 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1138 [2021-03-26 15:11:48,392 INFO L480 AbstractCegarLoop]: Abstraction has has 897 places, 969 transitions, 31078 flow [2021-03-26 15:11:48,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:48,392 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:48,392 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:48,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable321 [2021-03-26 15:11:48,392 INFO L428 AbstractCegarLoop]: === Iteration 323 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:48,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:48,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1072302005, now seen corresponding path program 13 times [2021-03-26 15:11:48,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:48,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063341925] [2021-03-26 15:11:48,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:48,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:48,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:48,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:48,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:48,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:48,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:48,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:48,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:48,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:48,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:48,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:48,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:48,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:48,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:48,453 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:11:48,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:11:48,456 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:11:48,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:48,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:11:48,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:48,485 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:11:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:48,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063341925] [2021-03-26 15:11:48,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:48,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:11:48,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074578216] [2021-03-26 15:11:48,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:11:48,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:48,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:11:48,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:11:48,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:11:48,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 897 places, 969 transitions, 31078 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:48,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:48,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:11:48,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:50,268 INFO L129 PetriNetUnfolder]: 991/2538 cut-off events. [2021-03-26 15:11:50,268 INFO L130 PetriNetUnfolder]: For 289286/289299 co-relation queries the response was YES. [2021-03-26 15:11:50,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33037 conditions, 2538 events. 991/2538 cut-off events. For 289286/289299 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 21614 event pairs, 29 based on Foata normal form. 14/2135 useless extension candidates. Maximal degree in co-relation 32660. Up to 1294 conditions per place. [2021-03-26 15:11:50,345 INFO L132 encePairwiseOnDemand]: 157/172 looper letters, 908 selfloop transitions, 52 changer transitions 3/981 dead transitions. [2021-03-26 15:11:50,345 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 907 places, 981 transitions, 33458 flow [2021-03-26 15:11:50,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:11:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:11:50,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 613 transitions. [2021-03-26 15:11:50,346 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3239957716701903 [2021-03-26 15:11:50,346 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 613 transitions. [2021-03-26 15:11:50,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 613 transitions. [2021-03-26 15:11:50,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:50,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 613 transitions. [2021-03-26 15:11:50,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.72727272727273) internal successors, (613), 11 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:50,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 172.0) internal successors, (2064), 12 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:50,348 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 172.0) internal successors, (2064), 12 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:50,348 INFO L185 Difference]: Start difference. First operand has 897 places, 969 transitions, 31078 flow. Second operand 11 states and 613 transitions. [2021-03-26 15:11:50,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 907 places, 981 transitions, 33458 flow [2021-03-26 15:11:53,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 902 places, 981 transitions, 32598 flow, removed 409 selfloop flow, removed 5 redundant places. [2021-03-26 15:11:53,355 INFO L241 Difference]: Finished difference. Result has 905 places, 969 transitions, 30448 flow [2021-03-26 15:11:53,356 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30218, PETRI_DIFFERENCE_MINUEND_PLACES=892, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=917, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=30448, PETRI_PLACES=905, PETRI_TRANSITIONS=969} [2021-03-26 15:11:53,356 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 852 predicate places. [2021-03-26 15:11:53,356 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:53,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 905 places, 969 transitions, 30448 flow [2021-03-26 15:11:53,356 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 905 places, 969 transitions, 30448 flow [2021-03-26 15:11:53,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 903 places, 969 transitions, 30448 flow [2021-03-26 15:11:54,072 INFO L129 PetriNetUnfolder]: 932/2429 cut-off events. [2021-03-26 15:11:54,073 INFO L130 PetriNetUnfolder]: For 279810/279812 co-relation queries the response was YES. [2021-03-26 15:11:54,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30633 conditions, 2429 events. 932/2429 cut-off events. For 279810/279812 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 21078 event pairs, 31 based on Foata normal form. 0/2034 useless extension candidates. Maximal degree in co-relation 30255. Up to 422 conditions per place. [2021-03-26 15:11:54,187 INFO L142 LiptonReduction]: Number of co-enabled transitions 4460 [2021-03-26 15:11:54,293 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:54,293 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:54,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 937 [2021-03-26 15:11:54,293 INFO L480 AbstractCegarLoop]: Abstraction has has 903 places, 969 transitions, 30448 flow [2021-03-26 15:11:54,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:54,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:54,294 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:54,294 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable322 [2021-03-26 15:11:54,294 INFO L428 AbstractCegarLoop]: === Iteration 324 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:54,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:54,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1093920298, now seen corresponding path program 15 times [2021-03-26 15:11:54,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:54,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342335591] [2021-03-26 15:11:54,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:54,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:54,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:54,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:54,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:54,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:54,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:54,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:54,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:54,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:54,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:54,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:54,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:54,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:54,363 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:11:54,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:11:54,376 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:11:54,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:54,390 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:54,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:54,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342335591] [2021-03-26 15:11:54,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:54,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:11:54,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346303204] [2021-03-26 15:11:54,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:11:54,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:54,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:11:54,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:11:54,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:11:54,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 903 places, 969 transitions, 30448 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:54,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:54,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:11:54,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:11:56,062 INFO L129 PetriNetUnfolder]: 984/2521 cut-off events. [2021-03-26 15:11:56,062 INFO L130 PetriNetUnfolder]: For 285833/285839 co-relation queries the response was YES. [2021-03-26 15:11:56,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32651 conditions, 2521 events. 984/2521 cut-off events. For 285833/285839 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 21394 event pairs, 19 based on Foata normal form. 8/2118 useless extension candidates. Maximal degree in co-relation 32270. Up to 1288 conditions per place. [2021-03-26 15:11:56,141 INFO L132 encePairwiseOnDemand]: 154/172 looper letters, 880 selfloop transitions, 73 changer transitions 8/979 dead transitions. [2021-03-26 15:11:56,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 915 places, 979 transitions, 32741 flow [2021-03-26 15:11:56,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:11:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:11:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 713 transitions. [2021-03-26 15:11:56,143 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31887298747763865 [2021-03-26 15:11:56,143 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 713 transitions. [2021-03-26 15:11:56,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 713 transitions. [2021-03-26 15:11:56,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:11:56,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 713 transitions. [2021-03-26 15:11:56,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.84615384615385) internal successors, (713), 13 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:56,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 172.0) internal successors, (2408), 14 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:56,144 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 172.0) internal successors, (2408), 14 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:56,144 INFO L185 Difference]: Start difference. First operand has 903 places, 969 transitions, 30448 flow. Second operand 13 states and 713 transitions. [2021-03-26 15:11:56,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 915 places, 979 transitions, 32741 flow [2021-03-26 15:11:58,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 905 places, 979 transitions, 32558 flow, removed 38 selfloop flow, removed 10 redundant places. [2021-03-26 15:11:58,794 INFO L241 Difference]: Finished difference. Result has 908 places, 964 transitions, 30362 flow [2021-03-26 15:11:58,794 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30265, PETRI_DIFFERENCE_MINUEND_PLACES=893, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=897, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30362, PETRI_PLACES=908, PETRI_TRANSITIONS=964} [2021-03-26 15:11:58,794 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 855 predicate places. [2021-03-26 15:11:58,794 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:11:58,795 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 908 places, 964 transitions, 30362 flow [2021-03-26 15:11:58,795 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 908 places, 964 transitions, 30362 flow [2021-03-26 15:11:58,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 905 places, 964 transitions, 30362 flow [2021-03-26 15:11:59,490 INFO L129 PetriNetUnfolder]: 924/2402 cut-off events. [2021-03-26 15:11:59,490 INFO L130 PetriNetUnfolder]: For 276573/276576 co-relation queries the response was YES. [2021-03-26 15:11:59,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30504 conditions, 2402 events. 924/2402 cut-off events. For 276573/276576 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 20770 event pairs, 31 based on Foata normal form. 1/2015 useless extension candidates. Maximal degree in co-relation 30125. Up to 422 conditions per place. [2021-03-26 15:11:59,599 INFO L142 LiptonReduction]: Number of co-enabled transitions 4448 [2021-03-26 15:11:59,705 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:11:59,705 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:11:59,705 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 911 [2021-03-26 15:11:59,706 INFO L480 AbstractCegarLoop]: Abstraction has has 905 places, 964 transitions, 30362 flow [2021-03-26 15:11:59,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:59,706 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:11:59,706 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:11:59,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable323 [2021-03-26 15:11:59,706 INFO L428 AbstractCegarLoop]: === Iteration 325 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:11:59,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:11:59,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1471922751, now seen corresponding path program 8 times [2021-03-26 15:11:59,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:11:59,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78949185] [2021-03-26 15:11:59,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:11:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:11:59,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:59,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:11:59,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:59,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:59,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:59,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:11:59,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:59,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:59,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:59,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:59,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:59,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:59,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:59,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:59,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:59,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:59,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:11:59,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:11:59,805 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:11:59,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:11:59,821 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:11:59,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:11:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:11:59,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78949185] [2021-03-26 15:11:59,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:11:59,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:11:59,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467137369] [2021-03-26 15:11:59,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:11:59,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:11:59,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:11:59,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:11:59,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:11:59,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 905 places, 964 transitions, 30362 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:11:59,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:11:59,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:11:59,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:01,493 INFO L129 PetriNetUnfolder]: 979/2510 cut-off events. [2021-03-26 15:12:01,493 INFO L130 PetriNetUnfolder]: For 288354/288358 co-relation queries the response was YES. [2021-03-26 15:12:01,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32836 conditions, 2510 events. 979/2510 cut-off events. For 288354/288358 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 21322 event pairs, 17 based on Foata normal form. 5/2107 useless extension candidates. Maximal degree in co-relation 32454. Up to 1266 conditions per place. [2021-03-26 15:12:01,575 INFO L132 encePairwiseOnDemand]: 156/172 looper letters, 878 selfloop transitions, 86 changer transitions 0/982 dead transitions. [2021-03-26 15:12:01,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 982 transitions, 32909 flow [2021-03-26 15:12:01,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:12:01,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:12:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 819 transitions. [2021-03-26 15:12:01,577 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3174418604651163 [2021-03-26 15:12:01,577 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 819 transitions. [2021-03-26 15:12:01,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 819 transitions. [2021-03-26 15:12:01,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:01,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 819 transitions. [2021-03-26 15:12:01,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.6) internal successors, (819), 15 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:01,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:01,578 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:01,579 INFO L185 Difference]: Start difference. First operand has 905 places, 964 transitions, 30362 flow. Second operand 15 states and 819 transitions. [2021-03-26 15:12:01,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 982 transitions, 32909 flow [2021-03-26 15:12:04,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 902 places, 982 transitions, 32630 flow, removed 48 selfloop flow, removed 17 redundant places. [2021-03-26 15:12:04,181 INFO L241 Difference]: Finished difference. Result has 905 places, 967 transitions, 30624 flow [2021-03-26 15:12:04,181 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30085, PETRI_DIFFERENCE_MINUEND_PLACES=888, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=964, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=878, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=30624, PETRI_PLACES=905, PETRI_TRANSITIONS=967} [2021-03-26 15:12:04,181 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 852 predicate places. [2021-03-26 15:12:04,181 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:04,181 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 905 places, 967 transitions, 30624 flow [2021-03-26 15:12:04,181 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 905 places, 967 transitions, 30624 flow [2021-03-26 15:12:04,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 905 places, 967 transitions, 30624 flow [2021-03-26 15:12:04,877 INFO L129 PetriNetUnfolder]: 926/2423 cut-off events. [2021-03-26 15:12:04,877 INFO L130 PetriNetUnfolder]: For 285497/285518 co-relation queries the response was YES. [2021-03-26 15:12:04,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30632 conditions, 2423 events. 926/2423 cut-off events. For 285497/285518 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 21122 event pairs, 32 based on Foata normal form. 5/2034 useless extension candidates. Maximal degree in co-relation 30255. Up to 423 conditions per place. [2021-03-26 15:12:04,989 INFO L142 LiptonReduction]: Number of co-enabled transitions 4490 [2021-03-26 15:12:05,102 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:05,102 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:05,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 921 [2021-03-26 15:12:05,102 INFO L480 AbstractCegarLoop]: Abstraction has has 905 places, 967 transitions, 30624 flow [2021-03-26 15:12:05,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:05,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:05,103 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:05,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable324 [2021-03-26 15:12:05,103 INFO L428 AbstractCegarLoop]: === Iteration 326 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:05,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:05,103 INFO L82 PathProgramCache]: Analyzing trace with hash 36022360, now seen corresponding path program 4 times [2021-03-26 15:12:05,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:05,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683806611] [2021-03-26 15:12:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:05,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:05,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:05,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:05,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:05,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:05,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:05,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:05,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:05,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:05,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:05,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:05,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:05,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:05,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:05,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:05,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:05,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:05,201 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:12:05,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:05,217 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:12:05,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:05,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:05,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683806611] [2021-03-26 15:12:05,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:05,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:12:05,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037751204] [2021-03-26 15:12:05,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:12:05,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:05,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:12:05,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:12:05,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:05,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 905 places, 967 transitions, 30624 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:05,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:05,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:05,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:07,012 INFO L129 PetriNetUnfolder]: 993/2550 cut-off events. [2021-03-26 15:12:07,013 INFO L130 PetriNetUnfolder]: For 286383/286385 co-relation queries the response was YES. [2021-03-26 15:12:07,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33065 conditions, 2550 events. 993/2550 cut-off events. For 286383/286385 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 21768 event pairs, 22 based on Foata normal form. 3/2132 useless extension candidates. Maximal degree in co-relation 32685. Up to 1221 conditions per place. [2021-03-26 15:12:07,226 INFO L132 encePairwiseOnDemand]: 153/172 looper letters, 802 selfloop transitions, 167 changer transitions 0/987 dead transitions. [2021-03-26 15:12:07,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 919 places, 987 transitions, 33387 flow [2021-03-26 15:12:07,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:12:07,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:12:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 827 transitions. [2021-03-26 15:12:07,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3205426356589147 [2021-03-26 15:12:07,228 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 827 transitions. [2021-03-26 15:12:07,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 827 transitions. [2021-03-26 15:12:07,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:07,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 827 transitions. [2021-03-26 15:12:07,229 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 55.13333333333333) internal successors, (827), 15 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:07,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:07,230 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:07,230 INFO L185 Difference]: Start difference. First operand has 905 places, 967 transitions, 30624 flow. Second operand 15 states and 827 transitions. [2021-03-26 15:12:07,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 919 places, 987 transitions, 33387 flow [2021-03-26 15:12:09,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 908 places, 987 transitions, 33058 flow, removed 100 selfloop flow, removed 11 redundant places. [2021-03-26 15:12:09,754 INFO L241 Difference]: Finished difference. Result has 911 places, 970 transitions, 31082 flow [2021-03-26 15:12:09,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30299, PETRI_DIFFERENCE_MINUEND_PLACES=894, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=967, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=800, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=31082, PETRI_PLACES=911, PETRI_TRANSITIONS=970} [2021-03-26 15:12:09,755 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 858 predicate places. [2021-03-26 15:12:09,755 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:09,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 911 places, 970 transitions, 31082 flow [2021-03-26 15:12:09,755 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 911 places, 970 transitions, 31082 flow [2021-03-26 15:12:09,764 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 911 places, 970 transitions, 31082 flow [2021-03-26 15:12:10,474 INFO L129 PetriNetUnfolder]: 938/2457 cut-off events. [2021-03-26 15:12:10,474 INFO L130 PetriNetUnfolder]: For 287825/287827 co-relation queries the response was YES. [2021-03-26 15:12:10,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31162 conditions, 2457 events. 938/2457 cut-off events. For 287825/287827 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 21408 event pairs, 20 based on Foata normal form. 0/2055 useless extension candidates. Maximal degree in co-relation 30783. Up to 425 conditions per place. [2021-03-26 15:12:10,592 INFO L142 LiptonReduction]: Number of co-enabled transitions 4506 [2021-03-26 15:12:10,702 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:10,702 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:10,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 947 [2021-03-26 15:12:10,702 INFO L480 AbstractCegarLoop]: Abstraction has has 911 places, 970 transitions, 31082 flow [2021-03-26 15:12:10,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:10,702 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:10,702 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:10,702 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable325 [2021-03-26 15:12:10,702 INFO L428 AbstractCegarLoop]: === Iteration 327 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:10,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:10,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1434982772, now seen corresponding path program 16 times [2021-03-26 15:12:10,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:10,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485482658] [2021-03-26 15:12:10,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:10,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:10,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:10,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:10,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:10,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:10,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:10,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:10,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:10,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:10,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:10,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:10,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:10,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:10,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:10,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:10,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:10,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:10,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:10,778 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:12:10,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:10,792 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:12:10,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:10,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485482658] [2021-03-26 15:12:10,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:10,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:12:10,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706571101] [2021-03-26 15:12:10,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:12:10,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:10,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:12:10,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:12:10,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:10,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 911 places, 970 transitions, 31082 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:10,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:10,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:10,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:12,570 INFO L129 PetriNetUnfolder]: 989/2550 cut-off events. [2021-03-26 15:12:12,570 INFO L130 PetriNetUnfolder]: For 293352/293358 co-relation queries the response was YES. [2021-03-26 15:12:12,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33267 conditions, 2550 events. 989/2550 cut-off events. For 293352/293358 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 21793 event pairs, 19 based on Foata normal form. 7/2141 useless extension candidates. Maximal degree in co-relation 32885. Up to 1289 conditions per place. [2021-03-26 15:12:12,633 INFO L132 encePairwiseOnDemand]: 153/172 looper letters, 883 selfloop transitions, 59 changer transitions 19/979 dead transitions. [2021-03-26 15:12:12,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 922 places, 979 transitions, 33262 flow [2021-03-26 15:12:12,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:12:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:12:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 665 transitions. [2021-03-26 15:12:12,635 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3221899224806202 [2021-03-26 15:12:12,635 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 665 transitions. [2021-03-26 15:12:12,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 665 transitions. [2021-03-26 15:12:12,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:12,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 665 transitions. [2021-03-26 15:12:12,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.416666666666664) internal successors, (665), 12 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:12,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:12,636 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:12,636 INFO L185 Difference]: Start difference. First operand has 911 places, 970 transitions, 31082 flow. Second operand 12 states and 665 transitions. [2021-03-26 15:12:12,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 922 places, 979 transitions, 33262 flow [2021-03-26 15:12:15,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 908 places, 979 transitions, 32828 flow, removed 75 selfloop flow, removed 14 redundant places. [2021-03-26 15:12:15,226 INFO L241 Difference]: Finished difference. Result has 912 places, 954 transitions, 30314 flow [2021-03-26 15:12:15,226 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30648, PETRI_DIFFERENCE_MINUEND_PLACES=897, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=911, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30314, PETRI_PLACES=912, PETRI_TRANSITIONS=954} [2021-03-26 15:12:15,226 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 859 predicate places. [2021-03-26 15:12:15,226 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:15,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 912 places, 954 transitions, 30314 flow [2021-03-26 15:12:15,226 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 912 places, 954 transitions, 30314 flow [2021-03-26 15:12:15,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 904 places, 954 transitions, 30314 flow [2021-03-26 15:12:15,922 INFO L129 PetriNetUnfolder]: 924/2411 cut-off events. [2021-03-26 15:12:15,922 INFO L130 PetriNetUnfolder]: For 286457/286490 co-relation queries the response was YES. [2021-03-26 15:12:15,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30648 conditions, 2411 events. 924/2411 cut-off events. For 286457/286490 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 20934 event pairs, 18 based on Foata normal form. 4/2021 useless extension candidates. Maximal degree in co-relation 30266. Up to 422 conditions per place. [2021-03-26 15:12:16,031 INFO L142 LiptonReduction]: Number of co-enabled transitions 4406 [2021-03-26 15:12:16,135 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:16,135 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:16,135 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 909 [2021-03-26 15:12:16,136 INFO L480 AbstractCegarLoop]: Abstraction has has 904 places, 954 transitions, 30314 flow [2021-03-26 15:12:16,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:16,136 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:16,136 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:16,136 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable326 [2021-03-26 15:12:16,136 INFO L428 AbstractCegarLoop]: === Iteration 328 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:16,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:16,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1063921631, now seen corresponding path program 9 times [2021-03-26 15:12:16,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:16,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560211485] [2021-03-26 15:12:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:16,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:16,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:16,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:16,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:16,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:16,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:16,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:16,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:16,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:16,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:16,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:16,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:16,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:16,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:16,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:16,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:16,220 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:12:16,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:12:16,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:12:16,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:16,252 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:12:16,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:16,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:16,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560211485] [2021-03-26 15:12:16,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:16,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:12:16,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404048516] [2021-03-26 15:12:16,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:12:16,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:16,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:12:16,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:12:16,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:16,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 904 places, 954 transitions, 30314 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:16,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:16,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:16,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:18,084 INFO L129 PetriNetUnfolder]: 979/2515 cut-off events. [2021-03-26 15:12:18,084 INFO L130 PetriNetUnfolder]: For 289076/289078 co-relation queries the response was YES. [2021-03-26 15:12:18,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32839 conditions, 2515 events. 979/2515 cut-off events. For 289076/289078 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 21377 event pairs, 26 based on Foata normal form. 3/2105 useless extension candidates. Maximal degree in co-relation 32454. Up to 1270 conditions per place. [2021-03-26 15:12:18,153 INFO L132 encePairwiseOnDemand]: 156/172 looper letters, 887 selfloop transitions, 65 changer transitions 2/972 dead transitions. [2021-03-26 15:12:18,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 918 places, 972 transitions, 32707 flow [2021-03-26 15:12:18,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:12:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:12:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 816 transitions. [2021-03-26 15:12:18,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31627906976744186 [2021-03-26 15:12:18,155 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 816 transitions. [2021-03-26 15:12:18,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 816 transitions. [2021-03-26 15:12:18,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:18,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 816 transitions. [2021-03-26 15:12:18,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 54.4) internal successors, (816), 15 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:18,156 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:18,156 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:18,156 INFO L185 Difference]: Start difference. First operand has 904 places, 954 transitions, 30314 flow. Second operand 15 states and 816 transitions. [2021-03-26 15:12:18,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 918 places, 972 transitions, 32707 flow [2021-03-26 15:12:20,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 891 places, 972 transitions, 32425 flow, removed 17 selfloop flow, removed 27 redundant places. [2021-03-26 15:12:20,538 INFO L241 Difference]: Finished difference. Result has 894 places, 955 transitions, 30315 flow [2021-03-26 15:12:20,539 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30040, PETRI_DIFFERENCE_MINUEND_PLACES=877, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=954, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=889, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=30315, PETRI_PLACES=894, PETRI_TRANSITIONS=955} [2021-03-26 15:12:20,539 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 841 predicate places. [2021-03-26 15:12:20,539 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:20,539 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 894 places, 955 transitions, 30315 flow [2021-03-26 15:12:20,539 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 894 places, 955 transitions, 30315 flow [2021-03-26 15:12:20,548 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 893 places, 955 transitions, 30315 flow [2021-03-26 15:12:21,234 INFO L129 PetriNetUnfolder]: 917/2403 cut-off events. [2021-03-26 15:12:21,235 INFO L130 PetriNetUnfolder]: For 287088/287091 co-relation queries the response was YES. [2021-03-26 15:12:21,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30655 conditions, 2403 events. 917/2403 cut-off events. For 287088/287091 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 20952 event pairs, 19 based on Foata normal form. 1/2016 useless extension candidates. Maximal degree in co-relation 30283. Up to 423 conditions per place. [2021-03-26 15:12:21,345 INFO L142 LiptonReduction]: Number of co-enabled transitions 4418 [2021-03-26 15:12:21,455 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:21,455 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:21,455 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 916 [2021-03-26 15:12:21,456 INFO L480 AbstractCegarLoop]: Abstraction has has 893 places, 955 transitions, 30315 flow [2021-03-26 15:12:21,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:21,456 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:21,456 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:21,456 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable327 [2021-03-26 15:12:21,456 INFO L428 AbstractCegarLoop]: === Iteration 329 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:21,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:21,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1947654664, now seen corresponding path program 17 times [2021-03-26 15:12:21,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:21,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544447898] [2021-03-26 15:12:21,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:21,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:21,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:21,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:21,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:21,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:21,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:21,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:21,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:21,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:21,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:21,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:21,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:21,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:21,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:21,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:21,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:21,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:21,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:21,531 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:12:21,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:21,545 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:12:21,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:21,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544447898] [2021-03-26 15:12:21,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:21,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:12:21,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599306469] [2021-03-26 15:12:21,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:12:21,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:21,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:12:21,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:12:21,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:21,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 893 places, 955 transitions, 30315 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:21,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:21,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:21,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:23,273 INFO L129 PetriNetUnfolder]: 971/2501 cut-off events. [2021-03-26 15:12:23,273 INFO L130 PetriNetUnfolder]: For 283044/283055 co-relation queries the response was YES. [2021-03-26 15:12:23,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32781 conditions, 2501 events. 971/2501 cut-off events. For 283044/283055 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 21319 event pairs, 23 based on Foata normal form. 10/2105 useless extension candidates. Maximal degree in co-relation 32406. Up to 1276 conditions per place. [2021-03-26 15:12:23,339 INFO L132 encePairwiseOnDemand]: 152/172 looper letters, 871 selfloop transitions, 72 changer transitions 4/965 dead transitions. [2021-03-26 15:12:23,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 904 places, 965 transitions, 32543 flow [2021-03-26 15:12:23,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:12:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:12:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 671 transitions. [2021-03-26 15:12:23,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3250968992248062 [2021-03-26 15:12:23,340 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 671 transitions. [2021-03-26 15:12:23,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 671 transitions. [2021-03-26 15:12:23,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:23,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 671 transitions. [2021-03-26 15:12:23,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.916666666666664) internal successors, (671), 12 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:23,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:23,342 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:23,342 INFO L185 Difference]: Start difference. First operand has 893 places, 955 transitions, 30315 flow. Second operand 12 states and 671 transitions. [2021-03-26 15:12:23,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 904 places, 965 transitions, 32543 flow [2021-03-26 15:12:25,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 891 places, 965 transitions, 32380 flow, removed 26 selfloop flow, removed 13 redundant places. [2021-03-26 15:12:25,851 INFO L241 Difference]: Finished difference. Result has 894 places, 953 transitions, 30408 flow [2021-03-26 15:12:25,851 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30152, PETRI_DIFFERENCE_MINUEND_PLACES=880, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=883, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30408, PETRI_PLACES=894, PETRI_TRANSITIONS=953} [2021-03-26 15:12:25,851 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 841 predicate places. [2021-03-26 15:12:25,851 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:25,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 894 places, 953 transitions, 30408 flow [2021-03-26 15:12:25,851 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 894 places, 953 transitions, 30408 flow [2021-03-26 15:12:25,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 891 places, 953 transitions, 30408 flow [2021-03-26 15:12:26,551 INFO L129 PetriNetUnfolder]: 910/2379 cut-off events. [2021-03-26 15:12:26,551 INFO L130 PetriNetUnfolder]: For 291102/291123 co-relation queries the response was YES. [2021-03-26 15:12:26,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30510 conditions, 2379 events. 910/2379 cut-off events. For 291102/291123 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 20587 event pairs, 20 based on Foata normal form. 5/2001 useless extension candidates. Maximal degree in co-relation 30137. Up to 424 conditions per place. [2021-03-26 15:12:26,663 INFO L142 LiptonReduction]: Number of co-enabled transitions 4406 [2021-03-26 15:12:26,770 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:26,770 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:26,770 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 919 [2021-03-26 15:12:26,771 INFO L480 AbstractCegarLoop]: Abstraction has has 891 places, 953 transitions, 30408 flow [2021-03-26 15:12:26,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:26,771 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:26,771 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, 1, 1, 1, 1] [2021-03-26 15:12:26,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable328 [2021-03-26 15:12:26,771 INFO L428 AbstractCegarLoop]: === Iteration 330 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:26,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:26,771 INFO L82 PathProgramCache]: Analyzing trace with hash 2015013072, now seen corresponding path program 18 times [2021-03-26 15:12:26,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:26,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412313252] [2021-03-26 15:12:26,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:26,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:26,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:26,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:26,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:26,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:26,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:26,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:26,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:26,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:26,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:26,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:26,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:26,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:26,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:26,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:26,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:26,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:26,846 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:12:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:26,861 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:12:26,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:26,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412313252] [2021-03-26 15:12:26,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:26,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:12:26,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949257533] [2021-03-26 15:12:26,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:12:26,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:26,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:12:26,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:12:26,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:26,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 891 places, 953 transitions, 30408 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:26,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:26,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:26,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:28,643 INFO L129 PetriNetUnfolder]: 969/2492 cut-off events. [2021-03-26 15:12:28,643 INFO L130 PetriNetUnfolder]: For 282631/282644 co-relation queries the response was YES. [2021-03-26 15:12:28,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32735 conditions, 2492 events. 969/2492 cut-off events. For 282631/282644 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 21168 event pairs, 23 based on Foata normal form. 14/2102 useless extension candidates. Maximal degree in co-relation 32359. Up to 1262 conditions per place. [2021-03-26 15:12:28,708 INFO L132 encePairwiseOnDemand]: 152/172 looper letters, 858 selfloop transitions, 88 changer transitions 0/964 dead transitions. [2021-03-26 15:12:28,708 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 903 places, 964 transitions, 32578 flow [2021-03-26 15:12:28,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:12:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:12:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 724 transitions. [2021-03-26 15:12:28,710 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32379248658318427 [2021-03-26 15:12:28,710 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 724 transitions. [2021-03-26 15:12:28,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 724 transitions. [2021-03-26 15:12:28,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:28,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 724 transitions. [2021-03-26 15:12:28,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.69230769230769) internal successors, (724), 13 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:28,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 172.0) internal successors, (2408), 14 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:28,711 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 172.0) internal successors, (2408), 14 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:28,711 INFO L185 Difference]: Start difference. First operand has 891 places, 953 transitions, 30408 flow. Second operand 13 states and 724 transitions. [2021-03-26 15:12:28,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 903 places, 964 transitions, 32578 flow [2021-03-26 15:12:31,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 893 places, 964 transitions, 32313 flow, removed 62 selfloop flow, removed 10 redundant places. [2021-03-26 15:12:31,318 INFO L241 Difference]: Finished difference. Result has 896 places, 955 transitions, 30547 flow [2021-03-26 15:12:31,318 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30147, PETRI_DIFFERENCE_MINUEND_PLACES=881, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=865, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30547, PETRI_PLACES=896, PETRI_TRANSITIONS=955} [2021-03-26 15:12:31,319 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 843 predicate places. [2021-03-26 15:12:31,319 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:31,319 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 896 places, 955 transitions, 30547 flow [2021-03-26 15:12:31,319 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 896 places, 955 transitions, 30547 flow [2021-03-26 15:12:31,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 896 places, 955 transitions, 30547 flow [2021-03-26 15:12:32,008 INFO L129 PetriNetUnfolder]: 914/2394 cut-off events. [2021-03-26 15:12:32,008 INFO L130 PetriNetUnfolder]: For 288984/289005 co-relation queries the response was YES. [2021-03-26 15:12:32,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30592 conditions, 2394 events. 914/2394 cut-off events. For 288984/289005 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 20853 event pairs, 21 based on Foata normal form. 5/2012 useless extension candidates. Maximal degree in co-relation 30220. Up to 425 conditions per place. [2021-03-26 15:12:32,116 INFO L142 LiptonReduction]: Number of co-enabled transitions 4426 [2021-03-26 15:12:32,227 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:32,227 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:32,227 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 908 [2021-03-26 15:12:32,227 INFO L480 AbstractCegarLoop]: Abstraction has has 896 places, 955 transitions, 30547 flow [2021-03-26 15:12:32,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:32,227 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:32,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:32,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable329 [2021-03-26 15:12:32,228 INFO L428 AbstractCegarLoop]: === Iteration 331 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:32,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:32,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1823173878, now seen corresponding path program 19 times [2021-03-26 15:12:32,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:32,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197649723] [2021-03-26 15:12:32,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:32,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:32,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:32,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:32,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:32,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:32,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:32,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:32,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:32,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:32,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:32,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:32,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:32,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:32,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:32,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:32,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:32,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:32,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:32,303 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:12:32,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:32,318 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:12:32,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:32,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197649723] [2021-03-26 15:12:32,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:32,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:12:32,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774275356] [2021-03-26 15:12:32,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:12:32,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:32,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:12:32,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:12:32,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:32,321 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 896 places, 955 transitions, 30547 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:32,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:32,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:32,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:34,001 INFO L129 PetriNetUnfolder]: 970/2501 cut-off events. [2021-03-26 15:12:34,001 INFO L130 PetriNetUnfolder]: For 288743/288749 co-relation queries the response was YES. [2021-03-26 15:12:34,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32696 conditions, 2501 events. 970/2501 cut-off events. For 288743/288749 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 21295 event pairs, 20 based on Foata normal form. 7/2101 useless extension candidates. Maximal degree in co-relation 32321. Up to 1292 conditions per place. [2021-03-26 15:12:34,067 INFO L132 encePairwiseOnDemand]: 154/172 looper letters, 897 selfloop transitions, 41 changer transitions 5/961 dead transitions. [2021-03-26 15:12:34,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 910 places, 961 transitions, 32555 flow [2021-03-26 15:12:34,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-26 15:12:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-26 15:12:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 797 transitions. [2021-03-26 15:12:34,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30891472868217057 [2021-03-26 15:12:34,068 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 797 transitions. [2021-03-26 15:12:34,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 797 transitions. [2021-03-26 15:12:34,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:34,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 797 transitions. [2021-03-26 15:12:34,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 53.13333333333333) internal successors, (797), 15 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:34,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:34,070 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 172.0) internal successors, (2752), 16 states have internal predecessors, (2752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:34,070 INFO L185 Difference]: Start difference. First operand has 896 places, 955 transitions, 30547 flow. Second operand 15 states and 797 transitions. [2021-03-26 15:12:34,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 910 places, 961 transitions, 32555 flow [2021-03-26 15:12:36,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 901 places, 961 transitions, 32273 flow, removed 74 selfloop flow, removed 9 redundant places. [2021-03-26 15:12:36,483 INFO L241 Difference]: Finished difference. Result has 902 places, 950 transitions, 30123 flow [2021-03-26 15:12:36,483 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30265, PETRI_DIFFERENCE_MINUEND_PLACES=887, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=955, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=914, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=30123, PETRI_PLACES=902, PETRI_TRANSITIONS=950} [2021-03-26 15:12:36,483 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 849 predicate places. [2021-03-26 15:12:36,483 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:36,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 902 places, 950 transitions, 30123 flow [2021-03-26 15:12:36,483 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 902 places, 950 transitions, 30123 flow [2021-03-26 15:12:36,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 897 places, 950 transitions, 30123 flow [2021-03-26 15:12:37,173 INFO L129 PetriNetUnfolder]: 905/2371 cut-off events. [2021-03-26 15:12:37,173 INFO L130 PetriNetUnfolder]: For 289999/290020 co-relation queries the response was YES. [2021-03-26 15:12:37,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30336 conditions, 2371 events. 905/2371 cut-off events. For 289999/290020 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 20581 event pairs, 21 based on Foata normal form. 5/1997 useless extension candidates. Maximal degree in co-relation 29963. Up to 424 conditions per place. [2021-03-26 15:12:37,282 INFO L142 LiptonReduction]: Number of co-enabled transitions 4382 [2021-03-26 15:12:37,384 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:37,384 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:37,384 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 901 [2021-03-26 15:12:37,384 INFO L480 AbstractCegarLoop]: Abstraction has has 897 places, 950 transitions, 30123 flow [2021-03-26 15:12:37,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:37,384 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:37,384 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:37,384 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable330 [2021-03-26 15:12:37,385 INFO L428 AbstractCegarLoop]: === Iteration 332 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:37,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:37,385 INFO L82 PathProgramCache]: Analyzing trace with hash 195155173, now seen corresponding path program 14 times [2021-03-26 15:12:37,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:37,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002459404] [2021-03-26 15:12:37,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:37,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:37,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:37,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:37,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:37,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:37,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:37,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:37,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:37,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:37,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:37,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:37,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:37,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:37,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:37,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:37,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:37,458 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:12:37,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:37,472 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:12:37,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:37,488 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:12:37,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:37,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002459404] [2021-03-26 15:12:37,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:37,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:12:37,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195005065] [2021-03-26 15:12:37,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:12:37,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:37,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:12:37,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:12:37,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:37,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 897 places, 950 transitions, 30123 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:37,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:37,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:37,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:39,308 INFO L129 PetriNetUnfolder]: 966/2497 cut-off events. [2021-03-26 15:12:39,308 INFO L130 PetriNetUnfolder]: For 289077/289083 co-relation queries the response was YES. [2021-03-26 15:12:39,363 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32632 conditions, 2497 events. 966/2497 cut-off events. For 289077/289083 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 21280 event pairs, 19 based on Foata normal form. 7/2099 useless extension candidates. Maximal degree in co-relation 32256. Up to 1253 conditions per place. [2021-03-26 15:12:39,376 INFO L132 encePairwiseOnDemand]: 156/172 looper letters, 870 selfloop transitions, 66 changer transitions 9/963 dead transitions. [2021-03-26 15:12:39,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 908 places, 963 transitions, 32493 flow [2021-03-26 15:12:39,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:12:39,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:12:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 667 transitions. [2021-03-26 15:12:39,377 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3231589147286822 [2021-03-26 15:12:39,377 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 667 transitions. [2021-03-26 15:12:39,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 667 transitions. [2021-03-26 15:12:39,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:39,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 667 transitions. [2021-03-26 15:12:39,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.583333333333336) internal successors, (667), 12 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:39,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:39,379 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:39,379 INFO L185 Difference]: Start difference. First operand has 897 places, 950 transitions, 30123 flow. Second operand 12 states and 667 transitions. [2021-03-26 15:12:39,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 908 places, 963 transitions, 32493 flow [2021-03-26 15:12:41,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 895 places, 963 transitions, 32395 flow, removed 3 selfloop flow, removed 13 redundant places. [2021-03-26 15:12:41,838 INFO L241 Difference]: Finished difference. Result has 898 places, 944 transitions, 30193 flow [2021-03-26 15:12:41,838 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30025, PETRI_DIFFERENCE_MINUEND_PLACES=884, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=884, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30193, PETRI_PLACES=898, PETRI_TRANSITIONS=944} [2021-03-26 15:12:41,838 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 845 predicate places. [2021-03-26 15:12:41,838 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:41,838 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 898 places, 944 transitions, 30193 flow [2021-03-26 15:12:41,839 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 898 places, 944 transitions, 30193 flow [2021-03-26 15:12:41,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 892 places, 944 transitions, 30193 flow [2021-03-26 15:12:42,564 INFO L129 PetriNetUnfolder]: 915/2393 cut-off events. [2021-03-26 15:12:42,564 INFO L130 PetriNetUnfolder]: For 287485/287530 co-relation queries the response was YES. [2021-03-26 15:12:42,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30459 conditions, 2393 events. 915/2393 cut-off events. For 287485/287530 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 20713 event pairs, 28 based on Foata normal form. 5/2006 useless extension candidates. Maximal degree in co-relation 30086. Up to 424 conditions per place. [2021-03-26 15:12:42,685 INFO L142 LiptonReduction]: Number of co-enabled transitions 4350 [2021-03-26 15:12:42,787 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:42,787 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:42,787 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 949 [2021-03-26 15:12:42,787 INFO L480 AbstractCegarLoop]: Abstraction has has 892 places, 944 transitions, 30193 flow [2021-03-26 15:12:42,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:42,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:42,787 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:42,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable331 [2021-03-26 15:12:42,787 INFO L428 AbstractCegarLoop]: === Iteration 333 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:42,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:42,788 INFO L82 PathProgramCache]: Analyzing trace with hash -928516682, now seen corresponding path program 5 times [2021-03-26 15:12:42,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:42,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703606201] [2021-03-26 15:12:42,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:42,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:42,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:42,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:42,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:42,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:42,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:42,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:42,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:42,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:42,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:42,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:42,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:42,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:42,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:42,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:42,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:42,885 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:12:42,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:12:42,889 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:12:42,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:42,909 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:12:42,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:42,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703606201] [2021-03-26 15:12:42,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:42,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:12:42,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974329771] [2021-03-26 15:12:42,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:12:42,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:42,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:12:42,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:12:42,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:42,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 892 places, 944 transitions, 30193 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:42,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:42,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:42,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:44,792 INFO L129 PetriNetUnfolder]: 973/2494 cut-off events. [2021-03-26 15:12:44,792 INFO L130 PetriNetUnfolder]: For 290470/290481 co-relation queries the response was YES. [2021-03-26 15:12:44,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33122 conditions, 2494 events. 973/2494 cut-off events. For 290470/290481 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 21151 event pairs, 22 based on Foata normal form. 12/2106 useless extension candidates. Maximal degree in co-relation 32746. Up to 1259 conditions per place. [2021-03-26 15:12:44,857 INFO L132 encePairwiseOnDemand]: 156/172 looper letters, 862 selfloop transitions, 98 changer transitions 0/978 dead transitions. [2021-03-26 15:12:44,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 903 places, 978 transitions, 33260 flow [2021-03-26 15:12:44,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:12:44,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:12:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 674 transitions. [2021-03-26 15:12:44,859 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32655038759689925 [2021-03-26 15:12:44,859 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 674 transitions. [2021-03-26 15:12:44,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 674 transitions. [2021-03-26 15:12:44,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:44,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 674 transitions. [2021-03-26 15:12:44,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 56.166666666666664) internal successors, (674), 12 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:44,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:44,860 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:44,860 INFO L185 Difference]: Start difference. First operand has 892 places, 944 transitions, 30193 flow. Second operand 12 states and 674 transitions. [2021-03-26 15:12:44,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 903 places, 978 transitions, 33260 flow [2021-03-26 15:12:47,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 891 places, 978 transitions, 33064 flow, removed 38 selfloop flow, removed 12 redundant places. [2021-03-26 15:12:47,454 INFO L241 Difference]: Finished difference. Result has 893 places, 962 transitions, 31233 flow [2021-03-26 15:12:47,454 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30001, PETRI_DIFFERENCE_MINUEND_PLACES=880, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=848, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=31233, PETRI_PLACES=893, PETRI_TRANSITIONS=962} [2021-03-26 15:12:47,454 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 840 predicate places. [2021-03-26 15:12:47,454 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:47,455 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 893 places, 962 transitions, 31233 flow [2021-03-26 15:12:47,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 893 places, 962 transitions, 31233 flow [2021-03-26 15:12:47,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 893 places, 962 transitions, 31233 flow [2021-03-26 15:12:48,193 INFO L129 PetriNetUnfolder]: 924/2407 cut-off events. [2021-03-26 15:12:48,193 INFO L130 PetriNetUnfolder]: For 298435/298437 co-relation queries the response was YES. [2021-03-26 15:12:48,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31074 conditions, 2407 events. 924/2407 cut-off events. For 298435/298437 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 20845 event pairs, 21 based on Foata normal form. 0/2019 useless extension candidates. Maximal degree in co-relation 30702. Up to 432 conditions per place. [2021-03-26 15:12:48,309 INFO L142 LiptonReduction]: Number of co-enabled transitions 4366 [2021-03-26 15:12:48,413 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:48,413 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:48,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 959 [2021-03-26 15:12:48,413 INFO L480 AbstractCegarLoop]: Abstraction has has 893 places, 962 transitions, 31233 flow [2021-03-26 15:12:48,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:48,413 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:48,413 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:48,414 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable332 [2021-03-26 15:12:48,414 INFO L428 AbstractCegarLoop]: === Iteration 334 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:48,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:48,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1477361268, now seen corresponding path program 20 times [2021-03-26 15:12:48,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:48,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728593225] [2021-03-26 15:12:48,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:48,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:48,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:48,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:48,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:48,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:48,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:48,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:48,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:48,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:48,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:48,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:48,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:48,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:48,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:48,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:48,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:48,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:48,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:48,491 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:12:48,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:48,506 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:12:48,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:48,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728593225] [2021-03-26 15:12:48,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:48,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:12:48,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959732691] [2021-03-26 15:12:48,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:12:48,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:48,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:12:48,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:12:48,509 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:48,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 893 places, 962 transitions, 31233 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:48,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:48,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:48,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:50,376 INFO L129 PetriNetUnfolder]: 991/2536 cut-off events. [2021-03-26 15:12:50,376 INFO L130 PetriNetUnfolder]: For 304162/304175 co-relation queries the response was YES. [2021-03-26 15:12:50,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34028 conditions, 2536 events. 991/2536 cut-off events. For 304162/304175 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 21584 event pairs, 19 based on Foata normal form. 15/2144 useless extension candidates. Maximal degree in co-relation 33653. Up to 1233 conditions per place. [2021-03-26 15:12:50,443 INFO L132 encePairwiseOnDemand]: 154/172 looper letters, 802 selfloop transitions, 157 changer transitions 11/988 dead transitions. [2021-03-26 15:12:50,443 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 904 places, 988 transitions, 35065 flow [2021-03-26 15:12:50,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:12:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:12:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 671 transitions. [2021-03-26 15:12:50,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3250968992248062 [2021-03-26 15:12:50,445 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 671 transitions. [2021-03-26 15:12:50,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 671 transitions. [2021-03-26 15:12:50,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:50,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 671 transitions. [2021-03-26 15:12:50,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.916666666666664) internal successors, (671), 12 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:50,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:50,446 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:50,446 INFO L185 Difference]: Start difference. First operand has 893 places, 962 transitions, 31233 flow. Second operand 12 states and 671 transitions. [2021-03-26 15:12:50,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 904 places, 988 transitions, 35065 flow [2021-03-26 15:12:53,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 897 places, 988 transitions, 34771 flow, removed 118 selfloop flow, removed 7 redundant places. [2021-03-26 15:12:53,304 INFO L241 Difference]: Finished difference. Result has 898 places, 969 transitions, 32626 flow [2021-03-26 15:12:53,304 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30939, PETRI_DIFFERENCE_MINUEND_PLACES=886, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=818, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=32626, PETRI_PLACES=898, PETRI_TRANSITIONS=969} [2021-03-26 15:12:53,304 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 845 predicate places. [2021-03-26 15:12:53,304 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:53,304 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 898 places, 969 transitions, 32626 flow [2021-03-26 15:12:53,305 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 898 places, 969 transitions, 32626 flow [2021-03-26 15:12:53,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 890 places, 969 transitions, 32626 flow [2021-03-26 15:12:54,073 INFO L129 PetriNetUnfolder]: 927/2399 cut-off events. [2021-03-26 15:12:54,073 INFO L130 PetriNetUnfolder]: For 309410/309414 co-relation queries the response was YES. [2021-03-26 15:12:54,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31724 conditions, 2399 events. 927/2399 cut-off events. For 309410/309414 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 20617 event pairs, 21 based on Foata normal form. 0/2012 useless extension candidates. Maximal degree in co-relation 31351. Up to 445 conditions per place. [2021-03-26 15:12:54,189 INFO L142 LiptonReduction]: Number of co-enabled transitions 4368 [2021-03-26 15:12:54,305 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:54,305 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:54,305 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1001 [2021-03-26 15:12:54,305 INFO L480 AbstractCegarLoop]: Abstraction has has 890 places, 969 transitions, 32626 flow [2021-03-26 15:12:54,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:54,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:54,305 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:54,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable333 [2021-03-26 15:12:54,305 INFO L428 AbstractCegarLoop]: === Iteration 335 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:54,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:54,306 INFO L82 PathProgramCache]: Analyzing trace with hash 968245066, now seen corresponding path program 21 times [2021-03-26 15:12:54,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:54,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228381007] [2021-03-26 15:12:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:54,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:54,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:54,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:54,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:54,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:54,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:54,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:54,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:54,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:54,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:54,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:54,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:54,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:54,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:54,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:54,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:54,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:54,384 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:12:54,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:12:54,398 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:12:54,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:12:54,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228381007] [2021-03-26 15:12:54,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:12:54,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:12:54,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906616920] [2021-03-26 15:12:54,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:12:54,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:12:54,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:12:54,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:12:54,402 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:12:54,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 890 places, 969 transitions, 32626 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:54,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:12:54,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:12:54,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:12:56,267 INFO L129 PetriNetUnfolder]: 987/2517 cut-off events. [2021-03-26 15:12:56,267 INFO L130 PetriNetUnfolder]: For 305044/305048 co-relation queries the response was YES. [2021-03-26 15:12:56,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34088 conditions, 2517 events. 987/2517 cut-off events. For 305044/305048 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 21322 event pairs, 27 based on Foata normal form. 5/2114 useless extension candidates. Maximal degree in co-relation 33712. Up to 1264 conditions per place. [2021-03-26 15:12:56,340 INFO L132 encePairwiseOnDemand]: 152/172 looper letters, 851 selfloop transitions, 97 changer transitions 14/980 dead transitions. [2021-03-26 15:12:56,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 901 places, 980 transitions, 34753 flow [2021-03-26 15:12:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:12:56,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:12:56,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 669 transitions. [2021-03-26 15:12:56,342 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3241279069767442 [2021-03-26 15:12:56,342 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 669 transitions. [2021-03-26 15:12:56,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 669 transitions. [2021-03-26 15:12:56,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:12:56,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 669 transitions. [2021-03-26 15:12:56,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.75) internal successors, (669), 12 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:56,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:56,343 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:56,343 INFO L185 Difference]: Start difference. First operand has 890 places, 969 transitions, 32626 flow. Second operand 12 states and 669 transitions. [2021-03-26 15:12:56,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 901 places, 980 transitions, 34753 flow [2021-03-26 15:12:58,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 895 places, 980 transitions, 33543 flow, removed 551 selfloop flow, removed 6 redundant places. [2021-03-26 15:12:59,003 INFO L241 Difference]: Finished difference. Result has 897 places, 957 transitions, 31267 flow [2021-03-26 15:12:59,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=31416, PETRI_DIFFERENCE_MINUEND_PLACES=884, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=872, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=31267, PETRI_PLACES=897, PETRI_TRANSITIONS=957} [2021-03-26 15:12:59,004 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 844 predicate places. [2021-03-26 15:12:59,004 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:12:59,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 897 places, 957 transitions, 31267 flow [2021-03-26 15:12:59,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 897 places, 957 transitions, 31267 flow [2021-03-26 15:12:59,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 894 places, 957 transitions, 31267 flow [2021-03-26 15:12:59,699 INFO L129 PetriNetUnfolder]: 906/2345 cut-off events. [2021-03-26 15:12:59,699 INFO L130 PetriNetUnfolder]: For 290690/290740 co-relation queries the response was YES. [2021-03-26 15:12:59,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30956 conditions, 2345 events. 906/2345 cut-off events. For 290690/290740 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 20086 event pairs, 18 based on Foata normal form. 6/1981 useless extension candidates. Maximal degree in co-relation 30581. Up to 433 conditions per place. [2021-03-26 15:12:59,808 INFO L142 LiptonReduction]: Number of co-enabled transitions 4314 [2021-03-26 15:12:59,918 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:12:59,919 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:12:59,919 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 915 [2021-03-26 15:12:59,919 INFO L480 AbstractCegarLoop]: Abstraction has has 894 places, 957 transitions, 31267 flow [2021-03-26 15:12:59,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:12:59,919 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:12:59,919 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:12:59,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable334 [2021-03-26 15:12:59,919 INFO L428 AbstractCegarLoop]: === Iteration 336 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:12:59,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:12:59,920 INFO L82 PathProgramCache]: Analyzing trace with hash 883530950, now seen corresponding path program 22 times [2021-03-26 15:12:59,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:12:59,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145245441] [2021-03-26 15:12:59,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:12:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:12:59,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:59,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:12:59,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:59,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:12:59,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:59,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:59,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:59,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:59,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:59,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:59,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:59,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:12:59,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:59,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:12:59,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:59,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:12:59,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:12:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:00,001 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:13:00,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:00,015 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:13:00,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:00,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:00,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145245441] [2021-03-26 15:13:00,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:00,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:13:00,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025191554] [2021-03-26 15:13:00,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:13:00,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:00,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:13:00,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:13:00,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 172 [2021-03-26 15:13:00,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 894 places, 957 transitions, 31267 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:00,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:00,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 172 [2021-03-26 15:13:00,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:01,688 INFO L129 PetriNetUnfolder]: 968/2469 cut-off events. [2021-03-26 15:13:01,688 INFO L130 PetriNetUnfolder]: For 289612/289618 co-relation queries the response was YES. [2021-03-26 15:13:01,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33117 conditions, 2469 events. 968/2469 cut-off events. For 289612/289618 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 20820 event pairs, 17 based on Foata normal form. 7/2081 useless extension candidates. Maximal degree in co-relation 32739. Up to 1283 conditions per place. [2021-03-26 15:13:01,752 INFO L132 encePairwiseOnDemand]: 153/172 looper letters, 887 selfloop transitions, 51 changer transitions 9/965 dead transitions. [2021-03-26 15:13:01,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 905 places, 965 transitions, 33281 flow [2021-03-26 15:13:01,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:13:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:13:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 657 transitions. [2021-03-26 15:13:01,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3183139534883721 [2021-03-26 15:13:01,753 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 657 transitions. [2021-03-26 15:13:01,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 657 transitions. [2021-03-26 15:13:01,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:01,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 657 transitions. [2021-03-26 15:13:01,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.75) internal successors, (657), 12 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:01,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:01,755 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 172.0) internal successors, (2236), 13 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:01,755 INFO L185 Difference]: Start difference. First operand has 894 places, 957 transitions, 31267 flow. Second operand 12 states and 657 transitions. [2021-03-26 15:13:01,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 905 places, 965 transitions, 33281 flow [2021-03-26 15:13:04,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 881 places, 965 transitions, 32912 flow, removed 11 selfloop flow, removed 24 redundant places. [2021-03-26 15:13:04,217 INFO L241 Difference]: Finished difference. Result has 883 places, 949 transitions, 30836 flow [2021-03-26 15:13:04,217 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=30900, PETRI_DIFFERENCE_MINUEND_PLACES=870, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=957, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=906, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=30836, PETRI_PLACES=883, PETRI_TRANSITIONS=949} [2021-03-26 15:13:04,217 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 830 predicate places. [2021-03-26 15:13:04,217 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:04,217 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 883 places, 949 transitions, 30836 flow [2021-03-26 15:13:04,217 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 883 places, 949 transitions, 30836 flow [2021-03-26 15:13:04,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 879 places, 949 transitions, 30836 flow [2021-03-26 15:13:04,893 INFO L129 PetriNetUnfolder]: 904/2330 cut-off events. [2021-03-26 15:13:04,894 INFO L130 PetriNetUnfolder]: For 283760/283806 co-relation queries the response was YES. [2021-03-26 15:13:04,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30705 conditions, 2330 events. 904/2330 cut-off events. For 283760/283806 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 19889 event pairs, 21 based on Foata normal form. 6/1967 useless extension candidates. Maximal degree in co-relation 30333. Up to 432 conditions per place. [2021-03-26 15:13:05,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 4262 [2021-03-26 15:13:05,273 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:13:05,273 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:13:05,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1057 [2021-03-26 15:13:05,274 INFO L480 AbstractCegarLoop]: Abstraction has has 879 places, 949 transitions, 30843 flow [2021-03-26 15:13:05,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:05,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:05,274 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:05,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable335 [2021-03-26 15:13:05,274 INFO L428 AbstractCegarLoop]: === Iteration 337 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:05,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:05,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1157737548, now seen corresponding path program 6 times [2021-03-26 15:13:05,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:05,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036749966] [2021-03-26 15:13:05,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:05,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:05,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:05,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:05,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:05,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:05,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:05,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:05,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:05,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:05,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:05,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:05,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:05,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:05,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:05,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:05,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:05,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:05,346 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:13:05,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:05,360 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:13:05,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:05,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036749966] [2021-03-26 15:13:05,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:05,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:13:05,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690946905] [2021-03-26 15:13:05,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:13:05,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:05,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:13:05,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:13:05,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 173 [2021-03-26 15:13:05,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 879 places, 949 transitions, 30843 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:05,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:05,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 173 [2021-03-26 15:13:05,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:07,167 INFO L129 PetriNetUnfolder]: 965/2447 cut-off events. [2021-03-26 15:13:07,167 INFO L130 PetriNetUnfolder]: For 282839/282850 co-relation queries the response was YES. [2021-03-26 15:13:07,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32926 conditions, 2447 events. 965/2447 cut-off events. For 282839/282850 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 20580 event pairs, 25 based on Foata normal form. 12/2067 useless extension candidates. Maximal degree in co-relation 32551. Up to 1274 conditions per place. [2021-03-26 15:13:07,232 INFO L132 encePairwiseOnDemand]: 157/173 looper letters, 881 selfloop transitions, 64 changer transitions 0/963 dead transitions. [2021-03-26 15:13:07,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 892 places, 963 transitions, 33038 flow [2021-03-26 15:13:07,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:13:07,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:13:07,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 766 transitions. [2021-03-26 15:13:07,234 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31626754748142033 [2021-03-26 15:13:07,234 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 766 transitions. [2021-03-26 15:13:07,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 766 transitions. [2021-03-26 15:13:07,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:07,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 766 transitions. [2021-03-26 15:13:07,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.714285714285715) internal successors, (766), 14 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:07,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 173.0) internal successors, (2595), 15 states have internal predecessors, (2595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:07,235 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 173.0) internal successors, (2595), 15 states have internal predecessors, (2595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:07,235 INFO L185 Difference]: Start difference. First operand has 879 places, 949 transitions, 30843 flow. Second operand 14 states and 766 transitions. [2021-03-26 15:13:07,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 892 places, 963 transitions, 33038 flow [2021-03-26 15:13:09,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 877 places, 963 transitions, 32845 flow, removed 3 selfloop flow, removed 15 redundant places. [2021-03-26 15:13:09,506 INFO L241 Difference]: Finished difference. Result has 880 places, 952 transitions, 31049 flow [2021-03-26 15:13:09,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=30650, PETRI_DIFFERENCE_MINUEND_PLACES=864, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=949, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=885, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=31049, PETRI_PLACES=880, PETRI_TRANSITIONS=952} [2021-03-26 15:13:09,506 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 827 predicate places. [2021-03-26 15:13:09,507 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:09,507 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 880 places, 952 transitions, 31049 flow [2021-03-26 15:13:09,507 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 880 places, 952 transitions, 31049 flow [2021-03-26 15:13:09,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 880 places, 952 transitions, 31049 flow [2021-03-26 15:13:10,190 INFO L129 PetriNetUnfolder]: 909/2352 cut-off events. [2021-03-26 15:13:10,190 INFO L130 PetriNetUnfolder]: For 284313/284315 co-relation queries the response was YES. [2021-03-26 15:13:10,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30956 conditions, 2352 events. 909/2352 cut-off events. For 284313/284315 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 20203 event pairs, 16 based on Foata normal form. 0/1980 useless extension candidates. Maximal degree in co-relation 30585. Up to 435 conditions per place. [2021-03-26 15:13:10,296 INFO L142 LiptonReduction]: Number of co-enabled transitions 4302 [2021-03-26 15:13:10,570 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:13:10,570 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:13:10,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1063 [2021-03-26 15:13:10,570 INFO L480 AbstractCegarLoop]: Abstraction has has 880 places, 952 transitions, 31056 flow [2021-03-26 15:13:10,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:10,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:10,570 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:10,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable336 [2021-03-26 15:13:10,570 INFO L428 AbstractCegarLoop]: === Iteration 338 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:10,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:10,571 INFO L82 PathProgramCache]: Analyzing trace with hash -190532526, now seen corresponding path program 23 times [2021-03-26 15:13:10,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:10,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595431291] [2021-03-26 15:13:10,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:10,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:10,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:10,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:10,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:10,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:10,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:10,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:10,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:10,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:10,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:10,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:10,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:13:10,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:10,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:10,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:10,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:10,634 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:13:10,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:13:10,647 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:13:10,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:10,662 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:13:10,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:10,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595431291] [2021-03-26 15:13:10,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:10,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:13:10,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926447978] [2021-03-26 15:13:10,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:13:10,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:10,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:13:10,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:13:10,667 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 174 [2021-03-26 15:13:10,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 880 places, 952 transitions, 31056 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:10,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:10,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 174 [2021-03-26 15:13:10,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:12,436 INFO L129 PetriNetUnfolder]: 967/2459 cut-off events. [2021-03-26 15:13:12,436 INFO L130 PetriNetUnfolder]: For 287251/287264 co-relation queries the response was YES. [2021-03-26 15:13:12,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32962 conditions, 2459 events. 967/2459 cut-off events. For 287251/287264 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 20681 event pairs, 26 based on Foata normal form. 14/2080 useless extension candidates. Maximal degree in co-relation 32588. Up to 1265 conditions per place. [2021-03-26 15:13:12,499 INFO L132 encePairwiseOnDemand]: 154/174 looper letters, 859 selfloop transitions, 82 changer transitions 2/961 dead transitions. [2021-03-26 15:13:12,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 892 places, 961 transitions, 33024 flow [2021-03-26 15:13:12,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:13:12,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:13:12,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 723 transitions. [2021-03-26 15:13:12,501 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3196286472148541 [2021-03-26 15:13:12,501 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 723 transitions. [2021-03-26 15:13:12,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 723 transitions. [2021-03-26 15:13:12,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:12,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 723 transitions. [2021-03-26 15:13:12,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.61538461538461) internal successors, (723), 13 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:12,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 174.0) internal successors, (2436), 14 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:12,502 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 174.0) internal successors, (2436), 14 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:12,502 INFO L185 Difference]: Start difference. First operand has 880 places, 952 transitions, 31056 flow. Second operand 13 states and 723 transitions. [2021-03-26 15:13:12,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 892 places, 961 transitions, 33024 flow [2021-03-26 15:13:14,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 882 places, 961 transitions, 32841 flow, removed 54 selfloop flow, removed 10 redundant places. [2021-03-26 15:13:14,968 INFO L241 Difference]: Finished difference. Result has 883 places, 950 transitions, 30973 flow [2021-03-26 15:13:14,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=30873, PETRI_DIFFERENCE_MINUEND_PLACES=870, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=952, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=870, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30973, PETRI_PLACES=883, PETRI_TRANSITIONS=950} [2021-03-26 15:13:14,968 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 830 predicate places. [2021-03-26 15:13:14,968 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:14,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 883 places, 950 transitions, 30973 flow [2021-03-26 15:13:14,969 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 883 places, 950 transitions, 30973 flow [2021-03-26 15:13:14,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 882 places, 950 transitions, 30973 flow [2021-03-26 15:13:15,655 INFO L129 PetriNetUnfolder]: 907/2346 cut-off events. [2021-03-26 15:13:15,656 INFO L130 PetriNetUnfolder]: For 281291/281324 co-relation queries the response was YES. [2021-03-26 15:13:15,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30903 conditions, 2346 events. 907/2346 cut-off events. For 281291/281324 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 20168 event pairs, 18 based on Foata normal form. 4/1978 useless extension candidates. Maximal degree in co-relation 30531. Up to 430 conditions per place. [2021-03-26 15:13:15,766 INFO L142 LiptonReduction]: Number of co-enabled transitions 4290 [2021-03-26 15:13:15,873 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:13:15,874 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:13:15,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 906 [2021-03-26 15:13:15,874 INFO L480 AbstractCegarLoop]: Abstraction has has 882 places, 950 transitions, 30973 flow [2021-03-26 15:13:15,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:15,874 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:15,874 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:15,874 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable337 [2021-03-26 15:13:15,874 INFO L428 AbstractCegarLoop]: === Iteration 339 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:15,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:15,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1491304384, now seen corresponding path program 24 times [2021-03-26 15:13:15,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:15,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299113541] [2021-03-26 15:13:15,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:15,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:15,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:15,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:15,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:15,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:15,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:15,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:15,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:15,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:15,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:15,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:15,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:13:15,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:15,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:15,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:15,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:15,946 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-26 15:13:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:13:15,959 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:13:15,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:15,974 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:13:15,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:15,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299113541] [2021-03-26 15:13:15,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:15,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:13:15,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143833539] [2021-03-26 15:13:15,977 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:13:15,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:15,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:13:15,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:13:15,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 174 [2021-03-26 15:13:15,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 882 places, 950 transitions, 30973 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:15,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:15,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 174 [2021-03-26 15:13:15,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:17,679 INFO L129 PetriNetUnfolder]: 957/2438 cut-off events. [2021-03-26 15:13:17,679 INFO L130 PetriNetUnfolder]: For 280005/280009 co-relation queries the response was YES. [2021-03-26 15:13:17,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32900 conditions, 2438 events. 957/2438 cut-off events. For 280005/280009 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 20514 event pairs, 21 based on Foata normal form. 5/2057 useless extension candidates. Maximal degree in co-relation 32525. Up to 1271 conditions per place. [2021-03-26 15:13:17,740 INFO L132 encePairwiseOnDemand]: 154/174 looper letters, 872 selfloop transitions, 66 changer transitions 3/959 dead transitions. [2021-03-26 15:13:17,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 894 places, 959 transitions, 32951 flow [2021-03-26 15:13:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:13:17,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:13:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 714 transitions. [2021-03-26 15:13:17,741 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3156498673740053 [2021-03-26 15:13:17,741 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 714 transitions. [2021-03-26 15:13:17,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 714 transitions. [2021-03-26 15:13:17,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:17,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 714 transitions. [2021-03-26 15:13:17,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.92307692307692) internal successors, (714), 13 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:17,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 174.0) internal successors, (2436), 14 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:17,743 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 174.0) internal successors, (2436), 14 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:17,743 INFO L185 Difference]: Start difference. First operand has 882 places, 950 transitions, 30973 flow. Second operand 13 states and 714 transitions. [2021-03-26 15:13:17,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 894 places, 959 transitions, 32951 flow [2021-03-26 15:13:20,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 880 places, 959 transitions, 32751 flow, removed 3 selfloop flow, removed 14 redundant places. [2021-03-26 15:13:20,205 INFO L241 Difference]: Finished difference. Result has 881 places, 947 transitions, 30740 flow [2021-03-26 15:13:20,205 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=30773, PETRI_DIFFERENCE_MINUEND_PLACES=868, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=884, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30740, PETRI_PLACES=881, PETRI_TRANSITIONS=947} [2021-03-26 15:13:20,206 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 828 predicate places. [2021-03-26 15:13:20,206 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:20,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 881 places, 947 transitions, 30740 flow [2021-03-26 15:13:20,206 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 881 places, 947 transitions, 30740 flow [2021-03-26 15:13:20,215 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 880 places, 947 transitions, 30740 flow [2021-03-26 15:13:20,872 INFO L129 PetriNetUnfolder]: 894/2310 cut-off events. [2021-03-26 15:13:20,872 INFO L130 PetriNetUnfolder]: For 283454/283501 co-relation queries the response was YES. [2021-03-26 15:13:20,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30552 conditions, 2310 events. 894/2310 cut-off events. For 283454/283501 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 19697 event pairs, 20 based on Foata normal form. 7/1957 useless extension candidates. Maximal degree in co-relation 30182. Up to 427 conditions per place. [2021-03-26 15:13:20,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 4280 [2021-03-26 15:13:21,079 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:13:21,079 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:13:21,079 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 873 [2021-03-26 15:13:21,079 INFO L480 AbstractCegarLoop]: Abstraction has has 880 places, 947 transitions, 30740 flow [2021-03-26 15:13:21,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:21,079 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:21,080 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:21,080 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable338 [2021-03-26 15:13:21,080 INFO L428 AbstractCegarLoop]: === Iteration 340 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:21,080 INFO L82 PathProgramCache]: Analyzing trace with hash 8169446, now seen corresponding path program 25 times [2021-03-26 15:13:21,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:21,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615464222] [2021-03-26 15:13:21,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:21,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:21,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:21,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:21,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:21,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:21,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:21,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:21,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:21,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:21,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:21,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:21,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:13:21,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:21,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:21,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:21,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:21,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:21,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:21,160 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:13:21,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:21,175 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:13:21,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:21,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615464222] [2021-03-26 15:13:21,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:21,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:13:21,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067120366] [2021-03-26 15:13:21,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:13:21,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:21,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:13:21,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:13:21,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 174 [2021-03-26 15:13:21,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 880 places, 947 transitions, 30740 flow. Second operand has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:21,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:21,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 174 [2021-03-26 15:13:21,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:22,863 INFO L129 PetriNetUnfolder]: 958/2439 cut-off events. [2021-03-26 15:13:22,864 INFO L130 PetriNetUnfolder]: For 286954/286960 co-relation queries the response was YES. [2021-03-26 15:13:22,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32762 conditions, 2439 events. 958/2439 cut-off events. For 286954/286960 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 20475 event pairs, 17 based on Foata normal form. 7/2058 useless extension candidates. Maximal degree in co-relation 32389. Up to 1260 conditions per place. [2021-03-26 15:13:22,920 INFO L132 encePairwiseOnDemand]: 154/174 looper letters, 863 selfloop transitions, 68 changer transitions 7/956 dead transitions. [2021-03-26 15:13:22,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 892 places, 956 transitions, 32712 flow [2021-03-26 15:13:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:13:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:13:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 715 transitions. [2021-03-26 15:13:22,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3160919540229885 [2021-03-26 15:13:22,922 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 715 transitions. [2021-03-26 15:13:22,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 715 transitions. [2021-03-26 15:13:22,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:22,922 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 715 transitions. [2021-03-26 15:13:22,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 55.0) internal successors, (715), 13 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:22,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 174.0) internal successors, (2436), 14 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:22,923 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 174.0) internal successors, (2436), 14 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:22,923 INFO L185 Difference]: Start difference. First operand has 880 places, 947 transitions, 30740 flow. Second operand 13 states and 715 transitions. [2021-03-26 15:13:22,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 892 places, 956 transitions, 32712 flow [2021-03-26 15:13:25,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 880 places, 956 transitions, 32585 flow, removed 1 selfloop flow, removed 12 redundant places. [2021-03-26 15:13:25,238 INFO L241 Difference]: Finished difference. Result has 881 places, 940 transitions, 30474 flow [2021-03-26 15:13:25,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=30613, PETRI_DIFFERENCE_MINUEND_PLACES=868, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=879, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=30474, PETRI_PLACES=881, PETRI_TRANSITIONS=940} [2021-03-26 15:13:25,238 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 828 predicate places. [2021-03-26 15:13:25,238 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:25,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 881 places, 940 transitions, 30474 flow [2021-03-26 15:13:25,238 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 881 places, 940 transitions, 30474 flow [2021-03-26 15:13:25,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 940 transitions, 30474 flow [2021-03-26 15:13:25,907 INFO L129 PetriNetUnfolder]: 890/2295 cut-off events. [2021-03-26 15:13:25,907 INFO L130 PetriNetUnfolder]: For 281448/281494 co-relation queries the response was YES. [2021-03-26 15:13:25,964 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30488 conditions, 2295 events. 890/2295 cut-off events. For 281448/281494 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 19602 event pairs, 19 based on Foata normal form. 6/1943 useless extension candidates. Maximal degree in co-relation 30118. Up to 426 conditions per place. [2021-03-26 15:13:26,013 INFO L142 LiptonReduction]: Number of co-enabled transitions 4246 [2021-03-26 15:13:26,119 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:13:26,119 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:13:26,119 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 881 [2021-03-26 15:13:26,119 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 940 transitions, 30474 flow [2021-03-26 15:13:26,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.3) internal successors, (493), 10 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:26,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:26,120 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:26,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable339 [2021-03-26 15:13:26,120 INFO L428 AbstractCegarLoop]: === Iteration 341 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:26,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:26,120 INFO L82 PathProgramCache]: Analyzing trace with hash 27844373, now seen corresponding path program 10 times [2021-03-26 15:13:26,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:26,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375204765] [2021-03-26 15:13:26,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:26,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:26,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:26,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:26,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:26,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:26,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:26,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:26,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:26,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:26,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:26,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:26,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:26,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:26,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:26,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:26,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:26,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:26,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:26,222 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:13:26,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:26,240 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:13:26,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:26,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375204765] [2021-03-26 15:13:26,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:26,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:13:26,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212317216] [2021-03-26 15:13:26,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:13:26,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:26,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:13:26,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:13:26,243 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 174 [2021-03-26 15:13:26,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 940 transitions, 30474 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:26,243 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:26,243 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 174 [2021-03-26 15:13:26,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:27,919 INFO L129 PetriNetUnfolder]: 953/2417 cut-off events. [2021-03-26 15:13:27,920 INFO L130 PetriNetUnfolder]: For 284962/284966 co-relation queries the response was YES. [2021-03-26 15:13:27,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32642 conditions, 2417 events. 953/2417 cut-off events. For 284962/284966 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 20234 event pairs, 16 based on Foata normal form. 5/2038 useless extension candidates. Maximal degree in co-relation 32269. Up to 1260 conditions per place. [2021-03-26 15:13:28,119 INFO L132 encePairwiseOnDemand]: 157/174 looper letters, 875 selfloop transitions, 59 changer transitions 4/956 dead transitions. [2021-03-26 15:13:28,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 891 places, 956 transitions, 32694 flow [2021-03-26 15:13:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:13:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:13:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 863 transitions. [2021-03-26 15:13:28,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30998563218390807 [2021-03-26 15:13:28,121 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 863 transitions. [2021-03-26 15:13:28,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 863 transitions. [2021-03-26 15:13:28,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:28,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 863 transitions. [2021-03-26 15:13:28,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 53.9375) internal successors, (863), 16 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:28,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 174.0) internal successors, (2958), 17 states have internal predecessors, (2958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:28,123 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 174.0) internal successors, (2958), 17 states have internal predecessors, (2958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:28,123 INFO L185 Difference]: Start difference. First operand has 876 places, 940 transitions, 30474 flow. Second operand 16 states and 863 transitions. [2021-03-26 15:13:28,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 891 places, 956 transitions, 32694 flow [2021-03-26 15:13:30,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 876 places, 956 transitions, 32463 flow, removed 18 selfloop flow, removed 15 redundant places. [2021-03-26 15:13:30,456 INFO L241 Difference]: Finished difference. Result has 878 places, 938 transitions, 30356 flow [2021-03-26 15:13:30,456 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=30245, PETRI_DIFFERENCE_MINUEND_PLACES=861, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=881, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=30356, PETRI_PLACES=878, PETRI_TRANSITIONS=938} [2021-03-26 15:13:30,456 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 825 predicate places. [2021-03-26 15:13:30,456 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:30,456 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 878 places, 938 transitions, 30356 flow [2021-03-26 15:13:30,456 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 878 places, 938 transitions, 30356 flow [2021-03-26 15:13:30,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 938 transitions, 30356 flow [2021-03-26 15:13:31,115 INFO L129 PetriNetUnfolder]: 903/2325 cut-off events. [2021-03-26 15:13:31,115 INFO L130 PetriNetUnfolder]: For 274548/274550 co-relation queries the response was YES. [2021-03-26 15:13:31,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30326 conditions, 2325 events. 903/2325 cut-off events. For 274548/274550 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 19816 event pairs, 17 based on Foata normal form. 0/1954 useless extension candidates. Maximal degree in co-relation 29959. Up to 426 conditions per place. [2021-03-26 15:13:31,221 INFO L142 LiptonReduction]: Number of co-enabled transitions 4236 [2021-03-26 15:13:31,325 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:13:31,325 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:13:31,325 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 869 [2021-03-26 15:13:31,326 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 938 transitions, 30356 flow [2021-03-26 15:13:31,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:31,326 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:31,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:31,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable340 [2021-03-26 15:13:31,326 INFO L428 AbstractCegarLoop]: === Iteration 342 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:31,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:31,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1744897811, now seen corresponding path program 11 times [2021-03-26 15:13:31,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:31,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137364282] [2021-03-26 15:13:31,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:31,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:31,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:31,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:31,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:31,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:31,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:31,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:31,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:31,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:31,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:31,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:31,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:31,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:31,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:31,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:31,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:31,413 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:13:31,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:13:31,428 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:13:31,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:31,446 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:13:31,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:31,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137364282] [2021-03-26 15:13:31,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:31,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:13:31,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618156548] [2021-03-26 15:13:31,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:13:31,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:31,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:13:31,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:13:31,449 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 174 [2021-03-26 15:13:31,449 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 938 transitions, 30356 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:31,449 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:31,449 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 174 [2021-03-26 15:13:31,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:33,064 INFO L129 PetriNetUnfolder]: 947/2396 cut-off events. [2021-03-26 15:13:33,064 INFO L130 PetriNetUnfolder]: For 270672/270676 co-relation queries the response was YES. [2021-03-26 15:13:33,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32302 conditions, 2396 events. 947/2396 cut-off events. For 270672/270676 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 19967 event pairs, 21 based on Foata normal form. 5/2022 useless extension candidates. Maximal degree in co-relation 31932. Up to 1258 conditions per place. [2021-03-26 15:13:33,135 INFO L132 encePairwiseOnDemand]: 158/174 looper letters, 875 selfloop transitions, 56 changer transitions 3/952 dead transitions. [2021-03-26 15:13:33,136 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 952 transitions, 32410 flow [2021-03-26 15:13:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:13:33,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:13:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 764 transitions. [2021-03-26 15:13:33,137 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3136288998357964 [2021-03-26 15:13:33,137 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 764 transitions. [2021-03-26 15:13:33,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 764 transitions. [2021-03-26 15:13:33,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:33,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 764 transitions. [2021-03-26 15:13:33,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.57142857142857) internal successors, (764), 14 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:33,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 174.0) internal successors, (2610), 15 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:33,139 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 174.0) internal successors, (2610), 15 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:33,139 INFO L185 Difference]: Start difference. First operand has 876 places, 938 transitions, 30356 flow. Second operand 14 states and 764 transitions. [2021-03-26 15:13:33,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 952 transitions, 32410 flow [2021-03-26 15:13:35,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 871 places, 952 transitions, 32058 flow, removed 84 selfloop flow, removed 18 redundant places. [2021-03-26 15:13:35,503 INFO L241 Difference]: Finished difference. Result has 873 places, 937 transitions, 30121 flow [2021-03-26 15:13:35,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=30004, PETRI_DIFFERENCE_MINUEND_PLACES=858, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=882, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=30121, PETRI_PLACES=873, PETRI_TRANSITIONS=937} [2021-03-26 15:13:35,503 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 820 predicate places. [2021-03-26 15:13:35,503 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:35,503 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 873 places, 937 transitions, 30121 flow [2021-03-26 15:13:35,503 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 873 places, 937 transitions, 30121 flow [2021-03-26 15:13:35,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 872 places, 937 transitions, 30121 flow [2021-03-26 15:13:36,164 INFO L129 PetriNetUnfolder]: 901/2321 cut-off events. [2021-03-26 15:13:36,165 INFO L130 PetriNetUnfolder]: For 267719/267721 co-relation queries the response was YES. [2021-03-26 15:13:36,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30158 conditions, 2321 events. 901/2321 cut-off events. For 267719/267721 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 19831 event pairs, 17 based on Foata normal form. 0/1951 useless extension candidates. Maximal degree in co-relation 29793. Up to 422 conditions per place. [2021-03-26 15:13:36,271 INFO L142 LiptonReduction]: Number of co-enabled transitions 4236 [2021-03-26 15:13:36,367 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:13:36,367 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:13:36,367 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 864 [2021-03-26 15:13:36,367 INFO L480 AbstractCegarLoop]: Abstraction has has 872 places, 937 transitions, 30121 flow [2021-03-26 15:13:36,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:36,367 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:36,367 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:36,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable341 [2021-03-26 15:13:36,367 INFO L428 AbstractCegarLoop]: === Iteration 343 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:36,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:36,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1828887229, now seen corresponding path program 12 times [2021-03-26 15:13:36,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:36,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045687630] [2021-03-26 15:13:36,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:36,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:36,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:36,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:36,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:36,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:36,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:36,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:36,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:36,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:36,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:36,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:36,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:36,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:36,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:36,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:36,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:36,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:36,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:36,486 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:13:36,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:36,504 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:13:36,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:36,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045687630] [2021-03-26 15:13:36,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:36,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:13:36,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387323633] [2021-03-26 15:13:36,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:13:36,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:36,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:13:36,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:13:36,507 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 174 [2021-03-26 15:13:36,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 872 places, 937 transitions, 30121 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:36,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:36,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 174 [2021-03-26 15:13:36,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:38,213 INFO L129 PetriNetUnfolder]: 943/2381 cut-off events. [2021-03-26 15:13:38,214 INFO L130 PetriNetUnfolder]: For 268200/268204 co-relation queries the response was YES. [2021-03-26 15:13:38,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32052 conditions, 2381 events. 943/2381 cut-off events. For 268200/268204 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 19832 event pairs, 19 based on Foata normal form. 5/2011 useless extension candidates. Maximal degree in co-relation 31684. Up to 1246 conditions per place. [2021-03-26 15:13:38,283 INFO L132 encePairwiseOnDemand]: 157/174 looper letters, 863 selfloop transitions, 67 changer transitions 5/953 dead transitions. [2021-03-26 15:13:38,284 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 887 places, 953 transitions, 32332 flow [2021-03-26 15:13:38,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-26 15:13:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-26 15:13:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 868 transitions. [2021-03-26 15:13:38,285 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3117816091954023 [2021-03-26 15:13:38,285 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 868 transitions. [2021-03-26 15:13:38,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 868 transitions. [2021-03-26 15:13:38,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:38,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 868 transitions. [2021-03-26 15:13:38,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 54.25) internal successors, (868), 16 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:38,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 174.0) internal successors, (2958), 17 states have internal predecessors, (2958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:38,287 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 174.0) internal successors, (2958), 17 states have internal predecessors, (2958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:38,287 INFO L185 Difference]: Start difference. First operand has 872 places, 937 transitions, 30121 flow. Second operand 16 states and 868 transitions. [2021-03-26 15:13:38,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 887 places, 953 transitions, 32332 flow [2021-03-26 15:13:40,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 872 places, 953 transitions, 32191 flow, removed 3 selfloop flow, removed 15 redundant places. [2021-03-26 15:13:40,574 INFO L241 Difference]: Finished difference. Result has 874 places, 934 transitions, 30007 flow [2021-03-26 15:13:40,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=29980, PETRI_DIFFERENCE_MINUEND_PLACES=857, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=870, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=30007, PETRI_PLACES=874, PETRI_TRANSITIONS=934} [2021-03-26 15:13:40,574 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 821 predicate places. [2021-03-26 15:13:40,574 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:40,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 874 places, 934 transitions, 30007 flow [2021-03-26 15:13:40,575 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 874 places, 934 transitions, 30007 flow [2021-03-26 15:13:40,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 872 places, 934 transitions, 30007 flow [2021-03-26 15:13:41,213 INFO L129 PetriNetUnfolder]: 893/2291 cut-off events. [2021-03-26 15:13:41,213 INFO L130 PetriNetUnfolder]: For 266550/266552 co-relation queries the response was YES. [2021-03-26 15:13:41,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29943 conditions, 2291 events. 893/2291 cut-off events. For 266550/266552 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 19494 event pairs, 17 based on Foata normal form. 0/1929 useless extension candidates. Maximal degree in co-relation 29578. Up to 422 conditions per place. [2021-03-26 15:13:41,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 4210 [2021-03-26 15:13:41,415 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:13:41,415 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:13:41,415 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 841 [2021-03-26 15:13:41,415 INFO L480 AbstractCegarLoop]: Abstraction has has 872 places, 934 transitions, 30007 flow [2021-03-26 15:13:41,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:41,415 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:41,415 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:41,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable342 [2021-03-26 15:13:41,416 INFO L428 AbstractCegarLoop]: === Iteration 344 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:41,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:41,416 INFO L82 PathProgramCache]: Analyzing trace with hash 49930493, now seen corresponding path program 15 times [2021-03-26 15:13:41,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:41,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912804520] [2021-03-26 15:13:41,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:41,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:41,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:41,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:41,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:41,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:41,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:41,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:41,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:41,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:41,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:41,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:41,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:41,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:41,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:41,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:13:41,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:13:41,479 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:13:41,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:13:41,493 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:13:41,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:41,497 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:13:41,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:41,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912804520] [2021-03-26 15:13:41,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:41,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:13:41,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042702422] [2021-03-26 15:13:41,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:13:41,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:41,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:13:41,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:13:41,500 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 174 [2021-03-26 15:13:41,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 872 places, 934 transitions, 30007 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:41,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:41,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 174 [2021-03-26 15:13:41,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:42,939 INFO L129 PetriNetUnfolder]: 941/2371 cut-off events. [2021-03-26 15:13:42,939 INFO L130 PetriNetUnfolder]: For 267967/267980 co-relation queries the response was YES. [2021-03-26 15:13:42,997 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31986 conditions, 2371 events. 941/2371 cut-off events. For 267967/267980 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 19669 event pairs, 29 based on Foata normal form. 14/2012 useless extension candidates. Maximal degree in co-relation 31618. Up to 1266 conditions per place. [2021-03-26 15:13:43,008 INFO L132 encePairwiseOnDemand]: 159/174 looper letters, 881 selfloop transitions, 43 changer transitions 2/944 dead transitions. [2021-03-26 15:13:43,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 881 places, 944 transitions, 32103 flow [2021-03-26 15:13:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:13:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:13:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 558 transitions. [2021-03-26 15:13:43,010 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.32068965517241377 [2021-03-26 15:13:43,010 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 558 transitions. [2021-03-26 15:13:43,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 558 transitions. [2021-03-26 15:13:43,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:43,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 558 transitions. [2021-03-26 15:13:43,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 55.8) internal successors, (558), 10 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:43,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 174.0) internal successors, (1914), 11 states have internal predecessors, (1914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:43,011 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 174.0) internal successors, (1914), 11 states have internal predecessors, (1914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:43,011 INFO L185 Difference]: Start difference. First operand has 872 places, 934 transitions, 30007 flow. Second operand 10 states and 558 transitions. [2021-03-26 15:13:43,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 881 places, 944 transitions, 32103 flow [2021-03-26 15:13:45,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 863 places, 944 transitions, 31876 flow, removed 7 selfloop flow, removed 18 redundant places. [2021-03-26 15:13:45,456 INFO L241 Difference]: Finished difference. Result has 865 places, 935 transitions, 29931 flow [2021-03-26 15:13:45,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=29780, PETRI_DIFFERENCE_MINUEND_PLACES=854, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=934, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=892, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=29931, PETRI_PLACES=865, PETRI_TRANSITIONS=935} [2021-03-26 15:13:45,457 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 812 predicate places. [2021-03-26 15:13:45,457 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:45,457 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 865 places, 935 transitions, 29931 flow [2021-03-26 15:13:45,457 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 865 places, 935 transitions, 29931 flow [2021-03-26 15:13:45,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 864 places, 935 transitions, 29931 flow [2021-03-26 15:13:46,098 INFO L129 PetriNetUnfolder]: 897/2297 cut-off events. [2021-03-26 15:13:46,098 INFO L130 PetriNetUnfolder]: For 267256/267258 co-relation queries the response was YES. [2021-03-26 15:13:46,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29888 conditions, 2297 events. 897/2297 cut-off events. For 267256/267258 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 19454 event pairs, 17 based on Foata normal form. 0/1932 useless extension candidates. Maximal degree in co-relation 29525. Up to 423 conditions per place. [2021-03-26 15:13:46,202 INFO L142 LiptonReduction]: Number of co-enabled transitions 4210 [2021-03-26 15:13:46,301 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:13:46,301 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:13:46,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 844 [2021-03-26 15:13:46,301 INFO L480 AbstractCegarLoop]: Abstraction has has 864 places, 935 transitions, 29931 flow [2021-03-26 15:13:46,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:46,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:46,301 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:46,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable343 [2021-03-26 15:13:46,301 INFO L428 AbstractCegarLoop]: === Iteration 345 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:46,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:46,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1671196937, now seen corresponding path program 1 times [2021-03-26 15:13:46,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:46,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266422751] [2021-03-26 15:13:46,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:46,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:46,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:46,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:46,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:46,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:46,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:46,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:46,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:13:46,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:46,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:13:46,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:46,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:46,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:46,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:46,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:46,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:46,378 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:13:46,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:13:46,393 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:13:46,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:46,409 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:13:46,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:46,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266422751] [2021-03-26 15:13:46,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:46,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:13:46,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819441054] [2021-03-26 15:13:46,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:13:46,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:46,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:13:46,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:13:46,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 174 [2021-03-26 15:13:46,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 864 places, 935 transitions, 29931 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:46,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:46,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 174 [2021-03-26 15:13:46,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:48,165 INFO L129 PetriNetUnfolder]: 979/2440 cut-off events. [2021-03-26 15:13:48,166 INFO L130 PetriNetUnfolder]: For 321658/321671 co-relation queries the response was YES. [2021-03-26 15:13:48,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34920 conditions, 2440 events. 979/2440 cut-off events. For 321658/321671 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 20203 event pairs, 16 based on Foata normal form. 14/2076 useless extension candidates. Maximal degree in co-relation 34554. Up to 1284 conditions per place. [2021-03-26 15:13:48,238 INFO L132 encePairwiseOnDemand]: 154/174 looper letters, 868 selfloop transitions, 100 changer transitions 1/987 dead transitions. [2021-03-26 15:13:48,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 880 places, 987 transitions, 36113 flow [2021-03-26 15:13:48,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:13:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:13:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 932 transitions. [2021-03-26 15:13:48,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31507775524002707 [2021-03-26 15:13:48,240 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 932 transitions. [2021-03-26 15:13:48,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 932 transitions. [2021-03-26 15:13:48,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:48,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 932 transitions. [2021-03-26 15:13:48,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 54.8235294117647) internal successors, (932), 17 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:48,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 174.0) internal successors, (3132), 18 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:48,242 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 174.0) internal successors, (3132), 18 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:48,242 INFO L185 Difference]: Start difference. First operand has 864 places, 935 transitions, 29931 flow. Second operand 17 states and 932 transitions. [2021-03-26 15:13:48,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 880 places, 987 transitions, 36113 flow [2021-03-26 15:13:50,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 871 places, 987 transitions, 35954 flow, removed 28 selfloop flow, removed 9 redundant places. [2021-03-26 15:13:50,748 INFO L241 Difference]: Finished difference. Result has 874 places, 976 transitions, 33970 flow [2021-03-26 15:13:50,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=29786, PETRI_DIFFERENCE_MINUEND_PLACES=855, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=935, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=864, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=33970, PETRI_PLACES=874, PETRI_TRANSITIONS=976} [2021-03-26 15:13:50,748 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 821 predicate places. [2021-03-26 15:13:50,748 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:50,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 874 places, 976 transitions, 33970 flow [2021-03-26 15:13:50,748 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 874 places, 976 transitions, 33970 flow [2021-03-26 15:13:50,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 874 places, 976 transitions, 33970 flow [2021-03-26 15:13:51,432 INFO L129 PetriNetUnfolder]: 930/2361 cut-off events. [2021-03-26 15:13:51,432 INFO L130 PetriNetUnfolder]: For 336825/336900 co-relation queries the response was YES. [2021-03-26 15:13:51,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32893 conditions, 2361 events. 930/2361 cut-off events. For 336825/336900 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 20040 event pairs, 23 based on Foata normal form. 6/1997 useless extension candidates. Maximal degree in co-relation 32529. Up to 461 conditions per place. [2021-03-26 15:13:51,539 INFO L142 LiptonReduction]: Number of co-enabled transitions 4356 [2021-03-26 15:13:51,865 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-26 15:13:51,865 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 15:13:51,865 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1117 [2021-03-26 15:13:51,866 INFO L480 AbstractCegarLoop]: Abstraction has has 874 places, 976 transitions, 34107 flow [2021-03-26 15:13:51,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:51,866 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:51,866 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, 1, 1, 1, 1] [2021-03-26 15:13:51,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable344 [2021-03-26 15:13:51,866 INFO L428 AbstractCegarLoop]: === Iteration 346 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:51,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:51,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1393573928, now seen corresponding path program 7 times [2021-03-26 15:13:51,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:51,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237978632] [2021-03-26 15:13:51,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:51,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:51,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:51,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:51,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:51,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:51,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:51,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:51,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:51,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:51,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:51,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:51,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:51,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:51,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:51,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:51,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:51,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:51,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:51,980 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:13:51,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:51,996 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:13:51,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:51,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237978632] [2021-03-26 15:13:51,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:51,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:13:51,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110703409] [2021-03-26 15:13:51,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:13:51,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:51,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:13:51,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:13:51,999 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 177 [2021-03-26 15:13:52,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 874 places, 976 transitions, 34107 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:52,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:52,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 177 [2021-03-26 15:13:52,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:53,846 INFO L129 PetriNetUnfolder]: 981/2450 cut-off events. [2021-03-26 15:13:53,846 INFO L130 PetriNetUnfolder]: For 326751/326762 co-relation queries the response was YES. [2021-03-26 15:13:53,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35284 conditions, 2450 events. 981/2450 cut-off events. For 326751/326762 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 20370 event pairs, 24 based on Foata normal form. 12/2080 useless extension candidates. Maximal degree in co-relation 34917. Up to 1268 conditions per place. [2021-03-26 15:13:53,918 INFO L132 encePairwiseOnDemand]: 161/177 looper letters, 850 selfloop transitions, 85 changer transitions 40/993 dead transitions. [2021-03-26 15:13:53,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 887 places, 993 transitions, 36426 flow [2021-03-26 15:13:53,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:13:53,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:13:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 778 transitions. [2021-03-26 15:13:53,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3139628732849072 [2021-03-26 15:13:53,920 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 778 transitions. [2021-03-26 15:13:53,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 778 transitions. [2021-03-26 15:13:53,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:53,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 778 transitions. [2021-03-26 15:13:53,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.57142857142857) internal successors, (778), 14 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:53,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 177.0) internal successors, (2655), 15 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:53,922 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 177.0) internal successors, (2655), 15 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:53,922 INFO L185 Difference]: Start difference. First operand has 874 places, 976 transitions, 34107 flow. Second operand 14 states and 778 transitions. [2021-03-26 15:13:53,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 887 places, 993 transitions, 36426 flow [2021-03-26 15:13:56,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 885 places, 993 transitions, 33919 flow, removed 1248 selfloop flow, removed 2 redundant places. [2021-03-26 15:13:56,830 INFO L241 Difference]: Finished difference. Result has 887 places, 938 transitions, 30661 flow [2021-03-26 15:13:56,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=31600, PETRI_DIFFERENCE_MINUEND_PLACES=872, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=976, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=891, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=30661, PETRI_PLACES=887, PETRI_TRANSITIONS=938} [2021-03-26 15:13:56,830 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 834 predicate places. [2021-03-26 15:13:56,830 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:13:56,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 887 places, 938 transitions, 30661 flow [2021-03-26 15:13:56,830 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 887 places, 938 transitions, 30661 flow [2021-03-26 15:13:56,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 938 transitions, 30661 flow [2021-03-26 15:13:57,519 INFO L129 PetriNetUnfolder]: 896/2223 cut-off events. [2021-03-26 15:13:57,519 INFO L130 PetriNetUnfolder]: For 288270/288283 co-relation queries the response was YES. [2021-03-26 15:13:57,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30664 conditions, 2223 events. 896/2223 cut-off events. For 288270/288283 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 18331 event pairs, 25 based on Foata normal form. 5/1887 useless extension candidates. Maximal degree in co-relation 30304. Up to 416 conditions per place. [2021-03-26 15:13:57,630 INFO L142 LiptonReduction]: Number of co-enabled transitions 3970 [2021-03-26 15:13:57,731 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:13:57,731 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:13:57,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 901 [2021-03-26 15:13:57,732 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 938 transitions, 30661 flow [2021-03-26 15:13:57,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:57,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:13:57,732 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:13:57,732 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable345 [2021-03-26 15:13:57,732 INFO L428 AbstractCegarLoop]: === Iteration 347 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:13:57,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:13:57,732 INFO L82 PathProgramCache]: Analyzing trace with hash -186188010, now seen corresponding path program 1 times [2021-03-26 15:13:57,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:13:57,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095190007] [2021-03-26 15:13:57,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:13:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:13:57,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:57,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:13:57,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:57,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:57,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:57,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:57,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:57,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:13:57,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:57,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:57,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:57,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:57,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:13:57,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:13:57,785 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:13:57,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:13:57,798 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:13:57,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:13:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:13:57,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095190007] [2021-03-26 15:13:57,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:13:57,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:13:57,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705662237] [2021-03-26 15:13:57,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:13:57,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:13:57,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:13:57,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:13:57,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 177 [2021-03-26 15:13:57,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 938 transitions, 30661 flow. Second operand has 8 states, 8 states have (on average 49.375) internal successors, (395), 8 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:57,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:13:57,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 177 [2021-03-26 15:13:57,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:13:59,281 INFO L129 PetriNetUnfolder]: 947/2312 cut-off events. [2021-03-26 15:13:59,281 INFO L130 PetriNetUnfolder]: For 300194/300200 co-relation queries the response was YES. [2021-03-26 15:13:59,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33688 conditions, 2312 events. 947/2312 cut-off events. For 300194/300200 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 18668 event pairs, 18 based on Foata normal form. 7/1973 useless extension candidates. Maximal degree in co-relation 33326. Up to 1290 conditions per place. [2021-03-26 15:13:59,362 INFO L132 encePairwiseOnDemand]: 158/177 looper letters, 890 selfloop transitions, 49 changer transitions 0/957 dead transitions. [2021-03-26 15:13:59,362 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 883 places, 957 transitions, 33931 flow [2021-03-26 15:13:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:13:59,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:13:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 458 transitions. [2021-03-26 15:13:59,363 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3234463276836158 [2021-03-26 15:13:59,363 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 458 transitions. [2021-03-26 15:13:59,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 458 transitions. [2021-03-26 15:13:59,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:13:59,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 458 transitions. [2021-03-26 15:13:59,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 57.25) internal successors, (458), 8 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) [2021-03-26 15:13:59,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 177.0) internal successors, (1593), 9 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:59,364 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 177.0) internal successors, (1593), 9 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:13:59,364 INFO L185 Difference]: Start difference. First operand has 876 places, 938 transitions, 30661 flow. Second operand 8 states and 458 transitions. [2021-03-26 15:13:59,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 883 places, 957 transitions, 33931 flow [2021-03-26 15:14:01,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 849 places, 957 transitions, 33097 flow, removed 99 selfloop flow, removed 34 redundant places. [2021-03-26 15:14:01,893 INFO L241 Difference]: Finished difference. Result has 852 places, 950 transitions, 31080 flow [2021-03-26 15:14:01,893 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=29869, PETRI_DIFFERENCE_MINUEND_PLACES=842, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=893, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31080, PETRI_PLACES=852, PETRI_TRANSITIONS=950} [2021-03-26 15:14:01,893 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 799 predicate places. [2021-03-26 15:14:01,894 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:01,894 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 852 places, 950 transitions, 31080 flow [2021-03-26 15:14:01,894 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 852 places, 950 transitions, 31080 flow [2021-03-26 15:14:01,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 852 places, 950 transitions, 31080 flow [2021-03-26 15:14:02,589 INFO L129 PetriNetUnfolder]: 900/2232 cut-off events. [2021-03-26 15:14:02,589 INFO L130 PetriNetUnfolder]: For 301793/301806 co-relation queries the response was YES. [2021-03-26 15:14:02,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30987 conditions, 2232 events. 900/2232 cut-off events. For 301793/301806 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 18454 event pairs, 25 based on Foata normal form. 5/1900 useless extension candidates. Maximal degree in co-relation 30618. Up to 428 conditions per place. [2021-03-26 15:14:02,693 INFO L142 LiptonReduction]: Number of co-enabled transitions 3986 [2021-03-26 15:14:02,804 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:02,804 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:14:02,804 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 910 [2021-03-26 15:14:02,804 INFO L480 AbstractCegarLoop]: Abstraction has has 852 places, 950 transitions, 31080 flow [2021-03-26 15:14:02,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.375) internal successors, (395), 8 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:02,805 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:02,805 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:02,805 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable346 [2021-03-26 15:14:02,805 INFO L428 AbstractCegarLoop]: === Iteration 348 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:02,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:02,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1380174370, now seen corresponding path program 2 times [2021-03-26 15:14:02,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:02,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885306197] [2021-03-26 15:14:02,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:02,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:02,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:02,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:02,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:02,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:02,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:02,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:02,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:02,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:02,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:02,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:02,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:02,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:02,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:02,859 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:02,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:02,872 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:02,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:02,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:02,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885306197] [2021-03-26 15:14:02,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:02,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:14:02,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365541839] [2021-03-26 15:14:02,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:14:02,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:02,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:14:02,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:14:02,875 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 177 [2021-03-26 15:14:02,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 852 places, 950 transitions, 31080 flow. Second operand has 8 states, 8 states have (on average 49.375) internal successors, (395), 8 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:02,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:02,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 177 [2021-03-26 15:14:02,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:04,373 INFO L129 PetriNetUnfolder]: 952/2330 cut-off events. [2021-03-26 15:14:04,373 INFO L130 PetriNetUnfolder]: For 292234/292247 co-relation queries the response was YES. [2021-03-26 15:14:04,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33129 conditions, 2330 events. 952/2330 cut-off events. For 292234/292247 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 18916 event pairs, 22 based on Foata normal form. 14/1992 useless extension candidates. Maximal degree in co-relation 32754. Up to 1297 conditions per place. [2021-03-26 15:14:04,447 INFO L132 encePairwiseOnDemand]: 158/177 looper letters, 890 selfloop transitions, 50 changer transitions 5/963 dead transitions. [2021-03-26 15:14:04,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 859 places, 963 transitions, 33484 flow [2021-03-26 15:14:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 15:14:04,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 15:14:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 464 transitions. [2021-03-26 15:14:04,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.327683615819209 [2021-03-26 15:14:04,449 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 464 transitions. [2021-03-26 15:14:04,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 464 transitions. [2021-03-26 15:14:04,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:04,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 464 transitions. [2021-03-26 15:14:04,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.0) internal successors, (464), 8 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:04,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 177.0) internal successors, (1593), 9 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:04,450 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 177.0) internal successors, (1593), 9 states have internal predecessors, (1593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:04,450 INFO L185 Difference]: Start difference. First operand has 852 places, 950 transitions, 31080 flow. Second operand 8 states and 464 transitions. [2021-03-26 15:14:04,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 859 places, 963 transitions, 33484 flow [2021-03-26 15:14:06,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 854 places, 963 transitions, 33084 flow, removed 179 selfloop flow, removed 5 redundant places. [2021-03-26 15:14:06,955 INFO L241 Difference]: Finished difference. Result has 856 places, 952 transitions, 31205 flow [2021-03-26 15:14:06,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=30680, PETRI_DIFFERENCE_MINUEND_PLACES=847, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=900, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31205, PETRI_PLACES=856, PETRI_TRANSITIONS=952} [2021-03-26 15:14:06,955 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 803 predicate places. [2021-03-26 15:14:06,955 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:06,955 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 856 places, 952 transitions, 31205 flow [2021-03-26 15:14:06,955 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 856 places, 952 transitions, 31205 flow [2021-03-26 15:14:06,965 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 854 places, 952 transitions, 31205 flow [2021-03-26 15:14:07,674 INFO L129 PetriNetUnfolder]: 901/2225 cut-off events. [2021-03-26 15:14:07,674 INFO L130 PetriNetUnfolder]: For 295301/295344 co-relation queries the response was YES. [2021-03-26 15:14:07,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30790 conditions, 2225 events. 901/2225 cut-off events. For 295301/295344 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 18278 event pairs, 22 based on Foata normal form. 10/1898 useless extension candidates. Maximal degree in co-relation 30418. Up to 424 conditions per place. [2021-03-26 15:14:07,775 INFO L142 LiptonReduction]: Number of co-enabled transitions 3920 [2021-03-26 15:14:07,874 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:07,874 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:14:07,874 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 919 [2021-03-26 15:14:07,875 INFO L480 AbstractCegarLoop]: Abstraction has has 854 places, 952 transitions, 31205 flow [2021-03-26 15:14:07,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.375) internal successors, (395), 8 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:07,875 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:07,875 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:07,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable347 [2021-03-26 15:14:07,875 INFO L428 AbstractCegarLoop]: === Iteration 349 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:07,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:07,875 INFO L82 PathProgramCache]: Analyzing trace with hash -457474205, now seen corresponding path program 1 times [2021-03-26 15:14:07,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:07,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761184157] [2021-03-26 15:14:07,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:07,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:07,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:07,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:07,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:07,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:07,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:07,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:07,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:07,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:07,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:07,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:07,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:07,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:07,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:07,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:07,960 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:07,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:07,977 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:07,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:07,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761184157] [2021-03-26 15:14:07,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:07,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:14:07,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165348653] [2021-03-26 15:14:07,980 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:14:07,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:07,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:14:07,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:14:07,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 177 [2021-03-26 15:14:07,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 854 places, 952 transitions, 31205 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:07,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:07,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 177 [2021-03-26 15:14:07,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:09,563 INFO L129 PetriNetUnfolder]: 954/2340 cut-off events. [2021-03-26 15:14:09,563 INFO L130 PetriNetUnfolder]: For 291865/291880 co-relation queries the response was YES. [2021-03-26 15:14:09,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33184 conditions, 2340 events. 954/2340 cut-off events. For 291865/291880 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 19028 event pairs, 22 based on Foata normal form. 16/2002 useless extension candidates. Maximal degree in co-relation 32806. Up to 1278 conditions per place. [2021-03-26 15:14:09,643 INFO L132 encePairwiseOnDemand]: 157/177 looper letters, 880 selfloop transitions, 66 changer transitions 0/964 dead transitions. [2021-03-26 15:14:09,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 964 transitions, 33635 flow [2021-03-26 15:14:09,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:14:09,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:14:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 662 transitions. [2021-03-26 15:14:09,645 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3116760828625235 [2021-03-26 15:14:09,645 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 662 transitions. [2021-03-26 15:14:09,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 662 transitions. [2021-03-26 15:14:09,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:09,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 662 transitions. [2021-03-26 15:14:09,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.166666666666664) internal successors, (662), 12 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:09,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 177.0) internal successors, (2301), 13 states have internal predecessors, (2301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:09,646 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 177.0) internal successors, (2301), 13 states have internal predecessors, (2301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:09,646 INFO L185 Difference]: Start difference. First operand has 854 places, 952 transitions, 31205 flow. Second operand 12 states and 662 transitions. [2021-03-26 15:14:09,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 964 transitions, 33635 flow [2021-03-26 15:14:12,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 859 places, 964 transitions, 33543 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-26 15:14:12,126 INFO L241 Difference]: Finished difference. Result has 863 places, 956 transitions, 31577 flow [2021-03-26 15:14:12,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=31117, PETRI_DIFFERENCE_MINUEND_PLACES=848, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=952, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=886, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=31577, PETRI_PLACES=863, PETRI_TRANSITIONS=956} [2021-03-26 15:14:12,127 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 810 predicate places. [2021-03-26 15:14:12,127 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:12,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 863 places, 956 transitions, 31577 flow [2021-03-26 15:14:12,127 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 863 places, 956 transitions, 31577 flow [2021-03-26 15:14:12,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 863 places, 956 transitions, 31577 flow [2021-03-26 15:14:12,912 INFO L129 PetriNetUnfolder]: 896/2230 cut-off events. [2021-03-26 15:14:12,913 INFO L130 PetriNetUnfolder]: For 298871/298883 co-relation queries the response was YES. [2021-03-26 15:14:12,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30873 conditions, 2230 events. 896/2230 cut-off events. For 298871/298883 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 18497 event pairs, 25 based on Foata normal form. 6/1901 useless extension candidates. Maximal degree in co-relation 30498. Up to 427 conditions per place. [2021-03-26 15:14:12,996 INFO L142 LiptonReduction]: Number of co-enabled transitions 3970 [2021-03-26 15:14:13,096 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:13,096 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:14:13,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 969 [2021-03-26 15:14:13,096 INFO L480 AbstractCegarLoop]: Abstraction has has 863 places, 956 transitions, 31577 flow [2021-03-26 15:14:13,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:13,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:13,097 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:13,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable348 [2021-03-26 15:14:13,097 INFO L428 AbstractCegarLoop]: === Iteration 350 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:13,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:13,097 INFO L82 PathProgramCache]: Analyzing trace with hash -2031786947, now seen corresponding path program 2 times [2021-03-26 15:14:13,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:13,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880610454] [2021-03-26 15:14:13,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:13,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:13,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:13,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:13,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:13,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:13,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:13,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:13,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:13,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:13,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:13,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:13,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:13,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:13,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:13,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:13,208 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:13,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:13,231 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:13,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:13,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880610454] [2021-03-26 15:14:13,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:13,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:14:13,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700406910] [2021-03-26 15:14:13,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:14:13,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:13,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:14:13,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:14:13,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 177 [2021-03-26 15:14:13,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 863 places, 956 transitions, 31577 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:13,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:13,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 177 [2021-03-26 15:14:13,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:15,060 INFO L129 PetriNetUnfolder]: 962/2366 cut-off events. [2021-03-26 15:14:15,060 INFO L130 PetriNetUnfolder]: For 299147/299151 co-relation queries the response was YES. [2021-03-26 15:14:15,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33700 conditions, 2366 events. 962/2366 cut-off events. For 299147/299151 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 19295 event pairs, 22 based on Foata normal form. 5/2010 useless extension candidates. Maximal degree in co-relation 33319. Up to 1275 conditions per place. [2021-03-26 15:14:15,134 INFO L132 encePairwiseOnDemand]: 157/177 looper letters, 877 selfloop transitions, 74 changer transitions 5/974 dead transitions. [2021-03-26 15:14:15,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 876 places, 974 transitions, 34810 flow [2021-03-26 15:14:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:14:15,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:14:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 767 transitions. [2021-03-26 15:14:15,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2021-03-26 15:14:15,136 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 767 transitions. [2021-03-26 15:14:15,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 767 transitions. [2021-03-26 15:14:15,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:15,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 767 transitions. [2021-03-26 15:14:15,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 54.785714285714285) internal successors, (767), 14 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:15,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 177.0) internal successors, (2655), 15 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:15,138 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 177.0) internal successors, (2655), 15 states have internal predecessors, (2655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:15,138 INFO L185 Difference]: Start difference. First operand has 863 places, 956 transitions, 31577 flow. Second operand 14 states and 767 transitions. [2021-03-26 15:14:15,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 876 places, 974 transitions, 34810 flow [2021-03-26 15:14:17,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 870 places, 974 transitions, 34560 flow, removed 88 selfloop flow, removed 6 redundant places. [2021-03-26 15:14:17,744 INFO L241 Difference]: Finished difference. Result has 876 places, 960 transitions, 32012 flow [2021-03-26 15:14:17,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=31327, PETRI_DIFFERENCE_MINUEND_PLACES=857, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=956, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=883, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=32012, PETRI_PLACES=876, PETRI_TRANSITIONS=960} [2021-03-26 15:14:17,745 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 823 predicate places. [2021-03-26 15:14:17,745 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:17,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 876 places, 960 transitions, 32012 flow [2021-03-26 15:14:17,745 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 876 places, 960 transitions, 32012 flow [2021-03-26 15:14:17,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 875 places, 960 transitions, 32012 flow [2021-03-26 15:14:18,469 INFO L129 PetriNetUnfolder]: 903/2252 cut-off events. [2021-03-26 15:14:18,469 INFO L130 PetriNetUnfolder]: For 310968/310990 co-relation queries the response was YES. [2021-03-26 15:14:18,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31315 conditions, 2252 events. 903/2252 cut-off events. For 310968/310990 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 18684 event pairs, 21 based on Foata normal form. 11/1922 useless extension candidates. Maximal degree in co-relation 30934. Up to 425 conditions per place. [2021-03-26 15:14:18,696 INFO L142 LiptonReduction]: Number of co-enabled transitions 3994 [2021-03-26 15:14:18,797 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:18,798 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:14:18,798 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1053 [2021-03-26 15:14:18,798 INFO L480 AbstractCegarLoop]: Abstraction has has 875 places, 960 transitions, 32012 flow [2021-03-26 15:14:18,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:18,798 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:18,798 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:18,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable349 [2021-03-26 15:14:18,798 INFO L428 AbstractCegarLoop]: === Iteration 351 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:18,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:18,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1065833207, now seen corresponding path program 3 times [2021-03-26 15:14:18,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:18,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847815969] [2021-03-26 15:14:18,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:18,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:18,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:18,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:18,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:18,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:18,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:18,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:18,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:18,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:18,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:18,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:18,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:18,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:18,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:18,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:18,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:18,880 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:18,897 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:18,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:18,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:18,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847815969] [2021-03-26 15:14:18,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:18,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:14:18,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195777119] [2021-03-26 15:14:18,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:14:18,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:18,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:14:18,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:14:18,900 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 177 [2021-03-26 15:14:18,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 875 places, 960 transitions, 32012 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:18,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:18,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 177 [2021-03-26 15:14:18,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:20,521 INFO L129 PetriNetUnfolder]: 963/2370 cut-off events. [2021-03-26 15:14:20,521 INFO L130 PetriNetUnfolder]: For 314046/314061 co-relation queries the response was YES. [2021-03-26 15:14:20,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33924 conditions, 2370 events. 963/2370 cut-off events. For 314046/314061 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 19387 event pairs, 19 based on Foata normal form. 16/2023 useless extension candidates. Maximal degree in co-relation 33537. Up to 1291 conditions per place. [2021-03-26 15:14:20,594 INFO L132 encePairwiseOnDemand]: 158/177 looper letters, 901 selfloop transitions, 56 changer transitions 0/975 dead transitions. [2021-03-26 15:14:20,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 886 places, 975 transitions, 35184 flow [2021-03-26 15:14:20,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:14:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:14:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 656 transitions. [2021-03-26 15:14:20,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3088512241054614 [2021-03-26 15:14:20,596 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 656 transitions. [2021-03-26 15:14:20,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 656 transitions. [2021-03-26 15:14:20,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:20,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 656 transitions. [2021-03-26 15:14:20,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 54.666666666666664) internal successors, (656), 12 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:20,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 177.0) internal successors, (2301), 13 states have internal predecessors, (2301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:20,597 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 177.0) internal successors, (2301), 13 states have internal predecessors, (2301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:20,597 INFO L185 Difference]: Start difference. First operand has 875 places, 960 transitions, 32012 flow. Second operand 12 states and 656 transitions. [2021-03-26 15:14:20,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 886 places, 975 transitions, 35184 flow [2021-03-26 15:14:23,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 876 places, 975 transitions, 34269 flow, removed 388 selfloop flow, removed 10 redundant places. [2021-03-26 15:14:23,387 INFO L241 Difference]: Finished difference. Result has 878 places, 968 transitions, 32292 flow [2021-03-26 15:14:23,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=31115, PETRI_DIFFERENCE_MINUEND_PLACES=865, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=960, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=908, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=32292, PETRI_PLACES=878, PETRI_TRANSITIONS=968} [2021-03-26 15:14:23,388 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 825 predicate places. [2021-03-26 15:14:23,388 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:23,388 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 878 places, 968 transitions, 32292 flow [2021-03-26 15:14:23,388 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 878 places, 968 transitions, 32292 flow [2021-03-26 15:14:23,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 878 places, 968 transitions, 32292 flow [2021-03-26 15:14:24,119 INFO L129 PetriNetUnfolder]: 913/2284 cut-off events. [2021-03-26 15:14:24,119 INFO L130 PetriNetUnfolder]: For 313441/313454 co-relation queries the response was YES. [2021-03-26 15:14:24,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31410 conditions, 2284 events. 913/2284 cut-off events. For 313441/313454 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 18944 event pairs, 23 based on Foata normal form. 5/1938 useless extension candidates. Maximal degree in co-relation 31030. Up to 422 conditions per place. [2021-03-26 15:14:24,235 INFO L142 LiptonReduction]: Number of co-enabled transitions 4044 [2021-03-26 15:14:24,523 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-26 15:14:24,523 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:14:24,523 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1135 [2021-03-26 15:14:24,523 INFO L480 AbstractCegarLoop]: Abstraction has has 878 places, 968 transitions, 32397 flow [2021-03-26 15:14:24,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:24,523 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:24,523 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:24,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350 [2021-03-26 15:14:24,524 INFO L428 AbstractCegarLoop]: === Iteration 352 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:24,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:24,524 INFO L82 PathProgramCache]: Analyzing trace with hash 2144934381, now seen corresponding path program 4 times [2021-03-26 15:14:24,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:24,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517559012] [2021-03-26 15:14:24,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:24,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:24,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:24,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:24,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:24,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:24,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:24,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:24,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:24,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:24,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:24,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:24,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:24,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:24,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:24,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:14:24,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:14:24,607 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:24,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:24,648 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:24,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:24,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517559012] [2021-03-26 15:14:24,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:24,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:14:24,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93196716] [2021-03-26 15:14:24,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:14:24,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:24,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:14:24,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:14:24,652 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 178 [2021-03-26 15:14:24,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 878 places, 968 transitions, 32397 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:24,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:24,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 178 [2021-03-26 15:14:24,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:26,243 INFO L129 PetriNetUnfolder]: 965/2387 cut-off events. [2021-03-26 15:14:26,243 INFO L130 PetriNetUnfolder]: For 322502/322508 co-relation queries the response was YES. [2021-03-26 15:14:26,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33774 conditions, 2387 events. 965/2387 cut-off events. For 322502/322508 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 19539 event pairs, 17 based on Foata normal form. 7/2028 useless extension candidates. Maximal degree in co-relation 33388. Up to 1283 conditions per place. [2021-03-26 15:14:26,317 INFO L132 encePairwiseOnDemand]: 158/178 looper letters, 881 selfloop transitions, 75 changer transitions 4/978 dead transitions. [2021-03-26 15:14:26,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 978 transitions, 34683 flow [2021-03-26 15:14:26,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 15:14:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 15:14:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 660 transitions. [2021-03-26 15:14:26,318 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3089887640449438 [2021-03-26 15:14:26,318 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 660 transitions. [2021-03-26 15:14:26,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 660 transitions. [2021-03-26 15:14:26,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:26,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 660 transitions. [2021-03-26 15:14:26,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 55.0) internal successors, (660), 12 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:26,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 178.0) internal successors, (2314), 13 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:26,320 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 178.0) internal successors, (2314), 13 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:26,320 INFO L185 Difference]: Start difference. First operand has 878 places, 968 transitions, 32397 flow. Second operand 12 states and 660 transitions. [2021-03-26 15:14:26,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 978 transitions, 34683 flow [2021-03-26 15:14:29,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 883 places, 978 transitions, 33606 flow, removed 496 selfloop flow, removed 6 redundant places. [2021-03-26 15:14:29,121 INFO L241 Difference]: Finished difference. Result has 887 places, 968 transitions, 31613 flow [2021-03-26 15:14:29,121 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=31320, PETRI_DIFFERENCE_MINUEND_PLACES=872, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=893, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=31613, PETRI_PLACES=887, PETRI_TRANSITIONS=968} [2021-03-26 15:14:29,121 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 834 predicate places. [2021-03-26 15:14:29,121 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:29,121 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 887 places, 968 transitions, 31613 flow [2021-03-26 15:14:29,121 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 887 places, 968 transitions, 31613 flow [2021-03-26 15:14:29,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 886 places, 968 transitions, 31613 flow [2021-03-26 15:14:29,826 INFO L129 PetriNetUnfolder]: 908/2277 cut-off events. [2021-03-26 15:14:29,826 INFO L130 PetriNetUnfolder]: For 312323/312344 co-relation queries the response was YES. [2021-03-26 15:14:29,883 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31178 conditions, 2277 events. 908/2277 cut-off events. For 312323/312344 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 19012 event pairs, 22 based on Foata normal form. 13/1943 useless extension candidates. Maximal degree in co-relation 30793. Up to 419 conditions per place. [2021-03-26 15:14:29,933 INFO L142 LiptonReduction]: Number of co-enabled transitions 4058 [2021-03-26 15:14:30,045 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:30,045 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:14:30,045 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 924 [2021-03-26 15:14:30,045 INFO L480 AbstractCegarLoop]: Abstraction has has 886 places, 968 transitions, 31613 flow [2021-03-26 15:14:30,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:30,046 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:30,046 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:30,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable351 [2021-03-26 15:14:30,046 INFO L428 AbstractCegarLoop]: === Iteration 353 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:30,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:30,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1817607383, now seen corresponding path program 5 times [2021-03-26 15:14:30,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:30,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331076640] [2021-03-26 15:14:30,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:30,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:30,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:30,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:30,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:30,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:30,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:30,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:30,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:30,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:30,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:30,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:30,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:30,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:30,116 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:30,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:30,131 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:30,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:30,148 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:30,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:30,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331076640] [2021-03-26 15:14:30,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:30,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:14:30,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868250862] [2021-03-26 15:14:30,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:14:30,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:30,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:14:30,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:14:30,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 178 [2021-03-26 15:14:30,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 886 places, 968 transitions, 31613 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:30,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:30,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 178 [2021-03-26 15:14:30,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:31,746 INFO L129 PetriNetUnfolder]: 965/2394 cut-off events. [2021-03-26 15:14:31,746 INFO L130 PetriNetUnfolder]: For 312949/312955 co-relation queries the response was YES. [2021-03-26 15:14:31,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33581 conditions, 2394 events. 965/2394 cut-off events. For 312949/312955 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 19619 event pairs, 17 based on Foata normal form. 7/2032 useless extension candidates. Maximal degree in co-relation 33190. Up to 1269 conditions per place. [2021-03-26 15:14:31,820 INFO L132 encePairwiseOnDemand]: 158/178 looper letters, 887 selfloop transitions, 66 changer transitions 9/980 dead transitions. [2021-03-26 15:14:31,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 896 places, 980 transitions, 34173 flow [2021-03-26 15:14:31,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:14:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:14:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 615 transitions. [2021-03-26 15:14:31,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31409601634320733 [2021-03-26 15:14:31,821 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 615 transitions. [2021-03-26 15:14:31,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 615 transitions. [2021-03-26 15:14:31,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:31,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 615 transitions. [2021-03-26 15:14:31,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 55.90909090909091) internal successors, (615), 11 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:31,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 178.0) internal successors, (2136), 12 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:31,823 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 178.0) internal successors, (2136), 12 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:31,823 INFO L185 Difference]: Start difference. First operand has 886 places, 968 transitions, 31613 flow. Second operand 11 states and 615 transitions. [2021-03-26 15:14:31,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 896 places, 980 transitions, 34173 flow [2021-03-26 15:14:34,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 886 places, 980 transitions, 33870 flow, removed 83 selfloop flow, removed 10 redundant places. [2021-03-26 15:14:34,610 INFO L241 Difference]: Finished difference. Result has 889 places, 962 transitions, 31487 flow [2021-03-26 15:14:34,610 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=31314, PETRI_DIFFERENCE_MINUEND_PLACES=876, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=902, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=31487, PETRI_PLACES=889, PETRI_TRANSITIONS=962} [2021-03-26 15:14:34,610 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 836 predicate places. [2021-03-26 15:14:34,610 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:34,611 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 889 places, 962 transitions, 31487 flow [2021-03-26 15:14:34,611 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 889 places, 962 transitions, 31487 flow [2021-03-26 15:14:34,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 883 places, 962 transitions, 31487 flow [2021-03-26 15:14:35,345 INFO L129 PetriNetUnfolder]: 903/2256 cut-off events. [2021-03-26 15:14:35,346 INFO L130 PetriNetUnfolder]: For 318481/318486 co-relation queries the response was YES. [2021-03-26 15:14:35,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31279 conditions, 2256 events. 903/2256 cut-off events. For 318481/318486 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 18745 event pairs, 19 based on Foata normal form. 3/1916 useless extension candidates. Maximal degree in co-relation 30893. Up to 419 conditions per place. [2021-03-26 15:14:35,455 INFO L142 LiptonReduction]: Number of co-enabled transitions 4026 [2021-03-26 15:14:35,568 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:35,568 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:14:35,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 958 [2021-03-26 15:14:35,569 INFO L480 AbstractCegarLoop]: Abstraction has has 883 places, 962 transitions, 31487 flow [2021-03-26 15:14:35,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:35,569 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:35,569 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:35,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable352 [2021-03-26 15:14:35,569 INFO L428 AbstractCegarLoop]: === Iteration 354 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:35,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:35,569 INFO L82 PathProgramCache]: Analyzing trace with hash -171690345, now seen corresponding path program 6 times [2021-03-26 15:14:35,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:35,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976269673] [2021-03-26 15:14:35,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:35,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:35,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:35,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:35,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:35,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:35,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:35,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:35,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:35,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:35,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:35,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:35,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:35,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:35,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:35,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:35,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:35,652 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:14:35,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:35,669 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:35,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:35,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976269673] [2021-03-26 15:14:35,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:35,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:14:35,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984779821] [2021-03-26 15:14:35,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:14:35,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:35,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:14:35,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:14:35,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 178 [2021-03-26 15:14:35,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 883 places, 962 transitions, 31487 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:35,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:35,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 178 [2021-03-26 15:14:35,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:37,425 INFO L129 PetriNetUnfolder]: 955/2348 cut-off events. [2021-03-26 15:14:37,425 INFO L130 PetriNetUnfolder]: For 307253/307266 co-relation queries the response was YES. [2021-03-26 15:14:37,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33310 conditions, 2348 events. 955/2348 cut-off events. For 307253/307266 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 19149 event pairs, 21 based on Foata normal form. 14/2003 useless extension candidates. Maximal degree in co-relation 32918. Up to 1280 conditions per place. [2021-03-26 15:14:37,500 INFO L132 encePairwiseOnDemand]: 158/178 looper letters, 888 selfloop transitions, 53 changer transitions 11/970 dead transitions. [2021-03-26 15:14:37,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 895 places, 970 transitions, 33601 flow [2021-03-26 15:14:37,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:14:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:14:37,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 710 transitions. [2021-03-26 15:14:37,502 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30682800345721695 [2021-03-26 15:14:37,502 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 710 transitions. [2021-03-26 15:14:37,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 710 transitions. [2021-03-26 15:14:37,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:37,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 710 transitions. [2021-03-26 15:14:37,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.61538461538461) internal successors, (710), 13 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:37,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:37,504 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:37,504 INFO L185 Difference]: Start difference. First operand has 883 places, 962 transitions, 31487 flow. Second operand 13 states and 710 transitions. [2021-03-26 15:14:37,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 895 places, 970 transitions, 33601 flow [2021-03-26 15:14:40,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 885 places, 970 transitions, 33409 flow, removed 43 selfloop flow, removed 10 redundant places. [2021-03-26 15:14:40,185 INFO L241 Difference]: Finished difference. Result has 886 places, 951 transitions, 31227 flow [2021-03-26 15:14:40,185 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=31295, PETRI_DIFFERENCE_MINUEND_PLACES=873, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=909, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=31227, PETRI_PLACES=886, PETRI_TRANSITIONS=951} [2021-03-26 15:14:40,185 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 833 predicate places. [2021-03-26 15:14:40,185 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:40,185 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 886 places, 951 transitions, 31227 flow [2021-03-26 15:14:40,185 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 886 places, 951 transitions, 31227 flow [2021-03-26 15:14:40,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 882 places, 951 transitions, 31227 flow [2021-03-26 15:14:40,912 INFO L129 PetriNetUnfolder]: 890/2212 cut-off events. [2021-03-26 15:14:40,912 INFO L130 PetriNetUnfolder]: For 314172/314178 co-relation queries the response was YES. [2021-03-26 15:14:40,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30885 conditions, 2212 events. 890/2212 cut-off events. For 314172/314178 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 18284 event pairs, 22 based on Foata normal form. 4/1882 useless extension candidates. Maximal degree in co-relation 30510. Up to 418 conditions per place. [2021-03-26 15:14:41,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 3954 [2021-03-26 15:14:41,325 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:41,325 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:14:41,325 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1140 [2021-03-26 15:14:41,325 INFO L480 AbstractCegarLoop]: Abstraction has has 882 places, 951 transitions, 31232 flow [2021-03-26 15:14:41,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:41,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:41,325 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:41,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable353 [2021-03-26 15:14:41,326 INFO L428 AbstractCegarLoop]: === Iteration 355 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:41,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:41,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1821932707, now seen corresponding path program 7 times [2021-03-26 15:14:41,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:41,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600206108] [2021-03-26 15:14:41,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:41,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:41,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:41,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:41,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:41,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:41,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:41,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:41,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:41,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:41,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:41,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:41,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:41,376 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:14:41,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:14:41,379 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:14:41,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:14:41,393 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:41,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:41,408 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:41,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:41,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600206108] [2021-03-26 15:14:41,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:41,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:14:41,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97813272] [2021-03-26 15:14:41,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:14:41,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:41,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:14:41,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:14:41,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 15:14:41,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 882 places, 951 transitions, 31232 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:41,412 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:41,412 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 15:14:41,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:43,210 INFO L129 PetriNetUnfolder]: 960/2364 cut-off events. [2021-03-26 15:14:43,210 INFO L130 PetriNetUnfolder]: For 324670/324674 co-relation queries the response was YES. [2021-03-26 15:14:43,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34214 conditions, 2364 events. 960/2364 cut-off events. For 324670/324674 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 19375 event pairs, 25 based on Foata normal form. 5/2010 useless extension candidates. Maximal degree in co-relation 33824. Up to 1268 conditions per place. [2021-03-26 15:14:43,277 INFO L132 encePairwiseOnDemand]: 158/179 looper letters, 860 selfloop transitions, 94 changer transitions 3/975 dead transitions. [2021-03-26 15:14:43,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 892 places, 975 transitions, 34762 flow [2021-03-26 15:14:43,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:14:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:14:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 629 transitions. [2021-03-26 15:14:43,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31945149822244795 [2021-03-26 15:14:43,279 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 629 transitions. [2021-03-26 15:14:43,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 629 transitions. [2021-03-26 15:14:43,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:43,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 629 transitions. [2021-03-26 15:14:43,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 57.18181818181818) internal successors, (629), 11 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:43,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 179.0) internal successors, (2148), 12 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:43,280 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 179.0) internal successors, (2148), 12 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:43,281 INFO L185 Difference]: Start difference. First operand has 882 places, 951 transitions, 31232 flow. Second operand 11 states and 629 transitions. [2021-03-26 15:14:43,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 892 places, 975 transitions, 34762 flow [2021-03-26 15:14:45,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 870 places, 975 transitions, 34467 flow, removed 22 selfloop flow, removed 22 redundant places. [2021-03-26 15:14:45,896 INFO L241 Difference]: Finished difference. Result has 873 places, 964 transitions, 32286 flow [2021-03-26 15:14:45,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=30965, PETRI_DIFFERENCE_MINUEND_PLACES=860, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=863, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=32286, PETRI_PLACES=873, PETRI_TRANSITIONS=964} [2021-03-26 15:14:45,897 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 820 predicate places. [2021-03-26 15:14:45,897 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:45,897 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 873 places, 964 transitions, 32286 flow [2021-03-26 15:14:45,897 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 873 places, 964 transitions, 32286 flow [2021-03-26 15:14:45,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 873 places, 964 transitions, 32286 flow [2021-03-26 15:14:46,616 INFO L129 PetriNetUnfolder]: 910/2274 cut-off events. [2021-03-26 15:14:46,616 INFO L130 PetriNetUnfolder]: For 330177/330184 co-relation queries the response was YES. [2021-03-26 15:14:46,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31801 conditions, 2274 events. 910/2274 cut-off events. For 330177/330184 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 18911 event pairs, 22 based on Foata normal form. 5/1931 useless extension candidates. Maximal degree in co-relation 31421. Up to 429 conditions per place. [2021-03-26 15:14:46,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 4012 [2021-03-26 15:14:46,830 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:46,830 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:14:46,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 933 [2021-03-26 15:14:46,830 INFO L480 AbstractCegarLoop]: Abstraction has has 873 places, 964 transitions, 32286 flow [2021-03-26 15:14:46,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:46,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:46,830 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:46,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable354 [2021-03-26 15:14:46,830 INFO L428 AbstractCegarLoop]: === Iteration 356 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:46,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:46,831 INFO L82 PathProgramCache]: Analyzing trace with hash 604952490, now seen corresponding path program 1 times [2021-03-26 15:14:46,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:46,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140298350] [2021-03-26 15:14:46,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:46,838 INFO L142 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-03-26 15:14:46,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:46,843 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:14:46,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:46,849 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:14:46,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:46,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-26 15:14:46,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:46,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:46,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:46,871 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:14:46,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:14:46,875 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:14:46,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:14:46,887 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:46,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:46,901 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-26 15:14:46,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:46,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:46,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140298350] [2021-03-26 15:14:46,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:46,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 15:14:46,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239852604] [2021-03-26 15:14:46,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 15:14:46,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:46,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 15:14:46,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 15:14:46,905 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 15:14:46,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 873 places, 964 transitions, 32286 flow. Second operand has 8 states, 8 states have (on average 49.375) internal successors, (395), 8 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:46,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:46,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 15:14:46,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:48,574 INFO L129 PetriNetUnfolder]: 954/2352 cut-off events. [2021-03-26 15:14:48,575 INFO L130 PetriNetUnfolder]: For 329630/329636 co-relation queries the response was YES. [2021-03-26 15:14:48,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34064 conditions, 2352 events. 954/2352 cut-off events. For 329630/329636 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 19139 event pairs, 17 based on Foata normal form. 7/2003 useless extension candidates. Maximal degree in co-relation 33678. Up to 1309 conditions per place. [2021-03-26 15:14:48,635 INFO L132 encePairwiseOnDemand]: 159/179 looper letters, 909 selfloop transitions, 39 changer transitions 5/971 dead transitions. [2021-03-26 15:14:48,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 882 places, 971 transitions, 34544 flow [2021-03-26 15:14:48,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 15:14:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 15:14:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 550 transitions. [2021-03-26 15:14:48,636 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30726256983240224 [2021-03-26 15:14:48,636 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 550 transitions. [2021-03-26 15:14:48,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 550 transitions. [2021-03-26 15:14:48,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:48,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 550 transitions. [2021-03-26 15:14:48,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:48,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:48,638 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 179.0) internal successors, (1969), 11 states have internal predecessors, (1969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:48,638 INFO L185 Difference]: Start difference. First operand has 873 places, 964 transitions, 32286 flow. Second operand 10 states and 550 transitions. [2021-03-26 15:14:48,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 882 places, 971 transitions, 34544 flow [2021-03-26 15:14:51,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 878 places, 971 transitions, 33974 flow, removed 264 selfloop flow, removed 4 redundant places. [2021-03-26 15:14:51,288 INFO L241 Difference]: Finished difference. Result has 881 places, 962 transitions, 31831 flow [2021-03-26 15:14:51,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=31810, PETRI_DIFFERENCE_MINUEND_PLACES=869, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=964, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=925, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=31831, PETRI_PLACES=881, PETRI_TRANSITIONS=962} [2021-03-26 15:14:51,288 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 828 predicate places. [2021-03-26 15:14:51,288 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:51,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 881 places, 962 transitions, 31831 flow [2021-03-26 15:14:51,288 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 881 places, 962 transitions, 31831 flow [2021-03-26 15:14:51,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 880 places, 962 transitions, 31831 flow [2021-03-26 15:14:51,973 INFO L129 PetriNetUnfolder]: 902/2252 cut-off events. [2021-03-26 15:14:51,973 INFO L130 PetriNetUnfolder]: For 315255/315264 co-relation queries the response was YES. [2021-03-26 15:14:52,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31333 conditions, 2252 events. 902/2252 cut-off events. For 315255/315264 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 18728 event pairs, 22 based on Foata normal form. 5/1916 useless extension candidates. Maximal degree in co-relation 30950. Up to 425 conditions per place. [2021-03-26 15:14:52,078 INFO L142 LiptonReduction]: Number of co-enabled transitions 4012 [2021-03-26 15:14:52,189 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:52,190 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:14:52,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 902 [2021-03-26 15:14:52,190 INFO L480 AbstractCegarLoop]: Abstraction has has 880 places, 962 transitions, 31831 flow [2021-03-26 15:14:52,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 49.375) internal successors, (395), 8 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:52,190 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:52,190 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:52,190 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable355 [2021-03-26 15:14:52,190 INFO L428 AbstractCegarLoop]: === Iteration 357 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:52,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:52,190 INFO L82 PathProgramCache]: Analyzing trace with hash -15993219, now seen corresponding path program 8 times [2021-03-26 15:14:52,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:52,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649957071] [2021-03-26 15:14:52,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:52,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:52,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:52,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:52,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:52,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:52,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:52,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:52,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:52,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:52,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:52,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:52,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:52,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:52,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:52,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:52,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:52,256 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:52,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:52,270 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:52,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:52,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649957071] [2021-03-26 15:14:52,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:52,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:14:52,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022023743] [2021-03-26 15:14:52,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:14:52,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:52,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:14:52,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:14:52,273 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 15:14:52,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 880 places, 962 transitions, 31831 flow. Second operand has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:52,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:52,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 15:14:52,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:54,026 INFO L129 PetriNetUnfolder]: 958/2358 cut-off events. [2021-03-26 15:14:54,027 INFO L130 PetriNetUnfolder]: For 320112/320118 co-relation queries the response was YES. [2021-03-26 15:14:54,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33987 conditions, 2358 events. 958/2358 cut-off events. For 320112/320118 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 19178 event pairs, 17 based on Foata normal form. 7/2007 useless extension candidates. Maximal degree in co-relation 33598. Up to 1270 conditions per place. [2021-03-26 15:14:54,086 INFO L132 encePairwiseOnDemand]: 159/179 looper letters, 867 selfloop transitions, 86 changer transitions 8/979 dead transitions. [2021-03-26 15:14:54,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 890 places, 979 transitions, 34841 flow [2021-03-26 15:14:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:14:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:14:54,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 623 transitions. [2021-03-26 15:14:54,088 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3164042661249365 [2021-03-26 15:14:54,088 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 623 transitions. [2021-03-26 15:14:54,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 623 transitions. [2021-03-26 15:14:54,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:54,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 623 transitions. [2021-03-26 15:14:54,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.63636363636363) internal successors, (623), 11 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:54,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 179.0) internal successors, (2148), 12 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:54,089 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 179.0) internal successors, (2148), 12 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:54,089 INFO L185 Difference]: Start difference. First operand has 880 places, 962 transitions, 31831 flow. Second operand 11 states and 623 transitions. [2021-03-26 15:14:54,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 890 places, 979 transitions, 34841 flow [2021-03-26 15:14:56,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 880 places, 979 transitions, 34746 flow, removed 4 selfloop flow, removed 10 redundant places. [2021-03-26 15:14:56,699 INFO L241 Difference]: Finished difference. Result has 884 places, 963 transitions, 32343 flow [2021-03-26 15:14:56,700 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=31736, PETRI_DIFFERENCE_MINUEND_PLACES=870, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=878, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=32343, PETRI_PLACES=884, PETRI_TRANSITIONS=963} [2021-03-26 15:14:56,700 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 831 predicate places. [2021-03-26 15:14:56,700 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:14:56,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 884 places, 963 transitions, 32343 flow [2021-03-26 15:14:56,700 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 884 places, 963 transitions, 32343 flow [2021-03-26 15:14:56,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 880 places, 963 transitions, 32343 flow [2021-03-26 15:14:57,421 INFO L129 PetriNetUnfolder]: 906/2263 cut-off events. [2021-03-26 15:14:57,421 INFO L130 PetriNetUnfolder]: For 319876/319878 co-relation queries the response was YES. [2021-03-26 15:14:57,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31802 conditions, 2263 events. 906/2263 cut-off events. For 319876/319878 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 18757 event pairs, 20 based on Foata normal form. 0/1918 useless extension candidates. Maximal degree in co-relation 31418. Up to 428 conditions per place. [2021-03-26 15:14:57,530 INFO L142 LiptonReduction]: Number of co-enabled transitions 3988 [2021-03-26 15:14:57,640 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:14:57,640 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:14:57,640 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 940 [2021-03-26 15:14:57,640 INFO L480 AbstractCegarLoop]: Abstraction has has 880 places, 963 transitions, 32343 flow [2021-03-26 15:14:57,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.333333333333336) internal successors, (444), 9 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:57,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:14:57,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:14:57,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable356 [2021-03-26 15:14:57,640 INFO L428 AbstractCegarLoop]: === Iteration 358 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:14:57,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:14:57,640 INFO L82 PathProgramCache]: Analyzing trace with hash 2064478377, now seen corresponding path program 9 times [2021-03-26 15:14:57,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:14:57,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96967261] [2021-03-26 15:14:57,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:14:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:14:57,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:57,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:14:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:57,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:57,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:57,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:57,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:14:57,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:57,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:14:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:57,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:14:57,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:57,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:14:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:14:57,722 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:14:57,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:14:57,737 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:14:57,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:14:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:14:57,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96967261] [2021-03-26 15:14:57,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:14:57,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:14:57,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8967727] [2021-03-26 15:14:57,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:14:57,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:14:57,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:14:57,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:14:57,741 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 15:14:57,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 880 places, 963 transitions, 32343 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:57,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:14:57,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 15:14:57,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:14:59,510 INFO L129 PetriNetUnfolder]: 953/2352 cut-off events. [2021-03-26 15:14:59,510 INFO L130 PetriNetUnfolder]: For 325753/325759 co-relation queries the response was YES. [2021-03-26 15:14:59,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34097 conditions, 2352 events. 953/2352 cut-off events. For 325753/325759 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19171 event pairs, 17 based on Foata normal form. 7/2003 useless extension candidates. Maximal degree in co-relation 33707. Up to 1252 conditions per place. [2021-03-26 15:14:59,582 INFO L132 encePairwiseOnDemand]: 159/179 looper letters, 840 selfloop transitions, 109 changer transitions 8/975 dead transitions. [2021-03-26 15:14:59,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 893 places, 975 transitions, 34801 flow [2021-03-26 15:14:59,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 15:14:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 15:14:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 778 transitions. [2021-03-26 15:14:59,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31045490822027133 [2021-03-26 15:14:59,583 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 778 transitions. [2021-03-26 15:14:59,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 778 transitions. [2021-03-26 15:14:59,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:14:59,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 778 transitions. [2021-03-26 15:14:59,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 55.57142857142857) internal successors, (778), 14 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:59,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:59,585 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 179.0) internal successors, (2685), 15 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:14:59,585 INFO L185 Difference]: Start difference. First operand has 880 places, 963 transitions, 32343 flow. Second operand 14 states and 778 transitions. [2021-03-26 15:14:59,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 893 places, 975 transitions, 34801 flow [2021-03-26 15:15:02,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 882 places, 975 transitions, 34250 flow, removed 225 selfloop flow, removed 11 redundant places. [2021-03-26 15:15:02,336 INFO L241 Difference]: Finished difference. Result has 885 places, 959 transitions, 32044 flow [2021-03-26 15:15:02,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=31806, PETRI_DIFFERENCE_MINUEND_PLACES=869, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=855, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=32044, PETRI_PLACES=885, PETRI_TRANSITIONS=959} [2021-03-26 15:15:02,337 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 832 predicate places. [2021-03-26 15:15:02,337 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:02,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 885 places, 959 transitions, 32044 flow [2021-03-26 15:15:02,337 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 885 places, 959 transitions, 32044 flow [2021-03-26 15:15:02,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 885 places, 959 transitions, 32044 flow [2021-03-26 15:15:03,054 INFO L129 PetriNetUnfolder]: 890/2219 cut-off events. [2021-03-26 15:15:03,054 INFO L130 PetriNetUnfolder]: For 310855/310860 co-relation queries the response was YES. [2021-03-26 15:15:03,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31394 conditions, 2219 events. 890/2219 cut-off events. For 310855/310860 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 18380 event pairs, 25 based on Foata normal form. 3/1891 useless extension candidates. Maximal degree in co-relation 31011. Up to 422 conditions per place. [2021-03-26 15:15:03,158 INFO L142 LiptonReduction]: Number of co-enabled transitions 3952 [2021-03-26 15:15:03,263 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:03,263 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:03,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 926 [2021-03-26 15:15:03,264 INFO L480 AbstractCegarLoop]: Abstraction has has 885 places, 959 transitions, 32044 flow [2021-03-26 15:15:03,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:03,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:03,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:03,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable357 [2021-03-26 15:15:03,264 INFO L428 AbstractCegarLoop]: === Iteration 359 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:15:03,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:03,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1673606641, now seen corresponding path program 10 times [2021-03-26 15:15:03,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:03,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224020746] [2021-03-26 15:15:03,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:03,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:03,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:03,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:03,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:03,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:03,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:03,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:03,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:03,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:03,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:03,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:03,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:03,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:03,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:03,330 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 15:15:03,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 15:15:03,345 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:15:03,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:03,361 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:15:03,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:03,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224020746] [2021-03-26 15:15:03,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:15:03,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 15:15:03,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981213478] [2021-03-26 15:15:03,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 15:15:03,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:03,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 15:15:03,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 15:15:03,364 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 15:15:03,365 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 885 places, 959 transitions, 32044 flow. Second operand has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:03,365 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:03,365 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 15:15:03,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:04,982 INFO L129 PetriNetUnfolder]: 939/2313 cut-off events. [2021-03-26 15:15:04,983 INFO L130 PetriNetUnfolder]: For 302664/302668 co-relation queries the response was YES. [2021-03-26 15:15:05,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33525 conditions, 2313 events. 939/2313 cut-off events. For 302664/302668 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 18803 event pairs, 22 based on Foata normal form. 5/1973 useless extension candidates. Maximal degree in co-relation 33136. Up to 1271 conditions per place. [2021-03-26 15:15:05,055 INFO L132 encePairwiseOnDemand]: 159/179 looper letters, 873 selfloop transitions, 69 changer transitions 6/966 dead transitions. [2021-03-26 15:15:05,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 897 places, 966 transitions, 34014 flow [2021-03-26 15:15:05,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:15:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:15:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 703 transitions. [2021-03-26 15:15:05,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30210571551353677 [2021-03-26 15:15:05,057 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 703 transitions. [2021-03-26 15:15:05,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 703 transitions. [2021-03-26 15:15:05,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:05,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 703 transitions. [2021-03-26 15:15:05,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.07692307692308) internal successors, (703), 13 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:05,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:05,059 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:05,059 INFO L185 Difference]: Start difference. First operand has 885 places, 959 transitions, 32044 flow. Second operand 13 states and 703 transitions. [2021-03-26 15:15:05,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 897 places, 966 transitions, 34014 flow [2021-03-26 15:15:07,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 881 places, 966 transitions, 33653 flow, removed 57 selfloop flow, removed 16 redundant places. [2021-03-26 15:15:07,924 INFO L241 Difference]: Finished difference. Result has 882 places, 953 transitions, 31447 flow [2021-03-26 15:15:07,924 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=31683, PETRI_DIFFERENCE_MINUEND_PLACES=869, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=959, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=890, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=31447, PETRI_PLACES=882, PETRI_TRANSITIONS=953} [2021-03-26 15:15:07,924 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 829 predicate places. [2021-03-26 15:15:07,925 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:07,925 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 882 places, 953 transitions, 31447 flow [2021-03-26 15:15:07,925 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 882 places, 953 transitions, 31447 flow [2021-03-26 15:15:07,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 877 places, 953 transitions, 31447 flow [2021-03-26 15:15:08,628 INFO L129 PetriNetUnfolder]: 897/2238 cut-off events. [2021-03-26 15:15:08,628 INFO L130 PetriNetUnfolder]: For 311443/311446 co-relation queries the response was YES. [2021-03-26 15:15:08,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31203 conditions, 2238 events. 897/2238 cut-off events. For 311443/311446 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 18532 event pairs, 18 based on Foata normal form. 1/1901 useless extension candidates. Maximal degree in co-relation 30825. Up to 419 conditions per place. [2021-03-26 15:15:08,737 INFO L142 LiptonReduction]: Number of co-enabled transitions 3940 [2021-03-26 15:15:08,840 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 15:15:08,840 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 15:15:08,840 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 915 [2021-03-26 15:15:08,841 INFO L480 AbstractCegarLoop]: Abstraction has has 877 places, 953 transitions, 31447 flow [2021-03-26 15:15:08,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 49.2) internal successors, (492), 10 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:08,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:08,841 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:08,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable358 [2021-03-26 15:15:08,841 INFO L428 AbstractCegarLoop]: === Iteration 360 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:15:08,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:08,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1725785477, now seen corresponding path program 1 times [2021-03-26 15:15:08,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:08,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205120479] [2021-03-26 15:15:08,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:08,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:08,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:08,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:08,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:08,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:08,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:08,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:08,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:08,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:08,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:08,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:08,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:08,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:08,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:08,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:08,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:08,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:08,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:08,944 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:15:08,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:08,962 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:15:08,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:08,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:08,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205120479] [2021-03-26 15:15:08,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:15:08,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 15:15:08,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766965512] [2021-03-26 15:15:08,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 15:15:08,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:08,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 15:15:08,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-03-26 15:15:08,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 179 [2021-03-26 15:15:08,965 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 877 places, 953 transitions, 31447 flow. Second operand has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:08,965 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:08,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 179 [2021-03-26 15:15:08,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:10,666 INFO L129 PetriNetUnfolder]: 953/2347 cut-off events. [2021-03-26 15:15:10,667 INFO L130 PetriNetUnfolder]: For 312037/312050 co-relation queries the response was YES. [2021-03-26 15:15:10,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33862 conditions, 2347 events. 953/2347 cut-off events. For 312037/312050 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 19178 event pairs, 27 based on Foata normal form. 14/2007 useless extension candidates. Maximal degree in co-relation 33478. Up to 1262 conditions per place. [2021-03-26 15:15:10,741 INFO L132 encePairwiseOnDemand]: 160/179 looper letters, 866 selfloop transitions, 89 changer transitions 1/974 dead transitions. [2021-03-26 15:15:10,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 974 transitions, 34761 flow [2021-03-26 15:15:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 15:15:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-26 15:15:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 709 transitions. [2021-03-26 15:15:10,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3046841426729695 [2021-03-26 15:15:10,742 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 709 transitions. [2021-03-26 15:15:10,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 709 transitions. [2021-03-26 15:15:10,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:10,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 709 transitions. [2021-03-26 15:15:10,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 54.53846153846154) internal successors, (709), 13 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:10,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:10,744 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 179.0) internal successors, (2506), 14 states have internal predecessors, (2506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:10,744 INFO L185 Difference]: Start difference. First operand has 877 places, 953 transitions, 31447 flow. Second operand 13 states and 709 transitions. [2021-03-26 15:15:10,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 974 transitions, 34761 flow [2021-03-26 15:15:13,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 873 places, 974 transitions, 34503 flow, removed 18 selfloop flow, removed 16 redundant places. [2021-03-26 15:15:13,498 INFO L241 Difference]: Finished difference. Result has 876 places, 967 transitions, 32642 flow [2021-03-26 15:15:13,498 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=31193, PETRI_DIFFERENCE_MINUEND_PLACES=861, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=872, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=32642, PETRI_PLACES=876, PETRI_TRANSITIONS=967} [2021-03-26 15:15:13,499 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 823 predicate places. [2021-03-26 15:15:13,499 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:13,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 876 places, 967 transitions, 32642 flow [2021-03-26 15:15:13,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 876 places, 967 transitions, 32642 flow [2021-03-26 15:15:13,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 876 places, 967 transitions, 32642 flow [2021-03-26 15:15:14,209 INFO L129 PetriNetUnfolder]: 900/2250 cut-off events. [2021-03-26 15:15:14,210 INFO L130 PetriNetUnfolder]: For 329350/329380 co-relation queries the response was YES. [2021-03-26 15:15:14,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31771 conditions, 2250 events. 900/2250 cut-off events. For 329350/329380 co-relation queries the response was YES. Maximal size of possible extension queue 230. Compared 18734 event pairs, 21 based on Foata normal form. 4/1915 useless extension candidates. Maximal degree in co-relation 31394. Up to 428 conditions per place. [2021-03-26 15:15:14,317 INFO L142 LiptonReduction]: Number of co-enabled transitions 4084 [2021-03-26 15:15:14,653 INFO L154 LiptonReduction]: Checked pairs total: 15 [2021-03-26 15:15:14,653 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 15:15:14,653 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1154 [2021-03-26 15:15:14,653 INFO L480 AbstractCegarLoop]: Abstraction has has 876 places, 967 transitions, 32991 flow [2021-03-26 15:15:14,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 49.18181818181818) internal successors, (541), 11 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:14,654 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:14,654 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:14,654 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable359 [2021-03-26 15:15:14,654 INFO L428 AbstractCegarLoop]: === Iteration 361 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:15:14,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:14,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1305074862, now seen corresponding path program 1 times [2021-03-26 15:15:14,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:14,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320834088] [2021-03-26 15:15:14,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:14,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:14,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:14,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:14,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:14,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:14,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:14,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:14,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:14,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:14,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:14,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:14,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 15:15:14,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:14,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:14,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:14,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:14,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:14,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:14,743 INFO L142 QuantifierPusher]: treesize reduction 9, result has 67.9 percent of original size [2021-03-26 15:15:14,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:14,751 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:15:14,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:14,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320834088] [2021-03-26 15:15:14,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:15:14,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 15:15:14,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969989298] [2021-03-26 15:15:14,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 15:15:14,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:14,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 15:15:14,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 15:15:14,755 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 182 [2021-03-26 15:15:14,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 967 transitions, 32991 flow. Second operand has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:14,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:14,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 182 [2021-03-26 15:15:14,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:16,599 INFO L129 PetriNetUnfolder]: 973/2407 cut-off events. [2021-03-26 15:15:16,599 INFO L130 PetriNetUnfolder]: For 348646/348650 co-relation queries the response was YES. [2021-03-26 15:15:16,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35461 conditions, 2407 events. 973/2407 cut-off events. For 348646/348650 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 19786 event pairs, 23 based on Foata normal form. 6/2044 useless extension candidates. Maximal degree in co-relation 35078. Up to 1285 conditions per place. [2021-03-26 15:15:16,684 INFO L132 encePairwiseOnDemand]: 163/182 looper letters, 883 selfloop transitions, 88 changer transitions 0/989 dead transitions. [2021-03-26 15:15:16,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 886 places, 989 transitions, 37000 flow [2021-03-26 15:15:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 15:15:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 15:15:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 625 transitions. [2021-03-26 15:15:16,686 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.31218781218781216 [2021-03-26 15:15:16,686 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 625 transitions. [2021-03-26 15:15:16,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 625 transitions. [2021-03-26 15:15:16,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:16,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 625 transitions. [2021-03-26 15:15:16,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 56.81818181818182) internal successors, (625), 11 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:16,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 182.0) internal successors, (2184), 12 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:16,687 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 182.0) internal successors, (2184), 12 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:16,687 INFO L185 Difference]: Start difference. First operand has 876 places, 967 transitions, 32991 flow. Second operand 11 states and 625 transitions. [2021-03-26 15:15:16,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 886 places, 989 transitions, 37000 flow [2021-03-26 15:15:19,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 879 places, 989 transitions, 35646 flow, removed 620 selfloop flow, removed 7 redundant places. [2021-03-26 15:15:19,882 INFO L241 Difference]: Finished difference. Result has 883 places, 981 transitions, 33742 flow [2021-03-26 15:15:19,882 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=31657, PETRI_DIFFERENCE_MINUEND_PLACES=869, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=967, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=887, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=33742, PETRI_PLACES=883, PETRI_TRANSITIONS=981} [2021-03-26 15:15:19,882 INFO L343 CegarLoopForPetriNet]: 53 programPoint places, 830 predicate places. [2021-03-26 15:15:19,882 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 15:15:19,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 883 places, 981 transitions, 33742 flow [2021-03-26 15:15:19,882 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 883 places, 981 transitions, 33742 flow [2021-03-26 15:15:19,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 883 places, 981 transitions, 33742 flow [2021-03-26 15:15:20,628 INFO L129 PetriNetUnfolder]: 917/2311 cut-off events. [2021-03-26 15:15:20,628 INFO L130 PetriNetUnfolder]: For 331859/331864 co-relation queries the response was YES. [2021-03-26 15:15:20,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32628 conditions, 2311 events. 917/2311 cut-off events. For 331859/331864 co-relation queries the response was YES. Maximal size of possible extension queue 232. Compared 19389 event pairs, 25 based on Foata normal form. 3/1963 useless extension candidates. Maximal degree in co-relation 32248. Up to 425 conditions per place. [2021-03-26 15:15:20,745 INFO L142 LiptonReduction]: Number of co-enabled transitions 4190 [2021-03-26 15:15:21,029 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 15:15:21,029 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 15:15:21,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1147 [2021-03-26 15:15:21,029 INFO L480 AbstractCegarLoop]: Abstraction has has 883 places, 981 transitions, 33765 flow [2021-03-26 15:15:21,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 49.44444444444444) internal successors, (445), 9 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:21,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 15:15:21,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 15:15:21,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable360 [2021-03-26 15:15:21,030 INFO L428 AbstractCegarLoop]: === Iteration 362 === [thread4Err1INUSE_VIOLATION, thread4Thread1of1ForFork4Err5INUSE_VIOLATION, thread1Err8INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, thread4Thread1of1ForFork4Err6INUSE_VIOLATION, thread4Err9INUSE_VIOLATION, thread1Thread1of1ForFork2Err2INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thread1Thread1of1ForFork2Err3INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 15:15:21,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 15:15:21,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1493651443, now seen corresponding path program 18 times [2021-03-26 15:15:21,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 15:15:21,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194459967] [2021-03-26 15:15:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 15:15:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 15:15:21,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:21,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 15:15:21,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:21,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 15:15:21,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:21,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:21,058 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-03-26 15:15:21,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:21,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:21,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:21,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:21,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:21,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:21,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:21,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:21,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:21,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 15:15:21,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 15:15:21,142 INFO L142 QuantifierPusher]: treesize reduction 11, result has 63.3 percent of original size [2021-03-26 15:15:21,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 15:15:21,161 INFO L142 QuantifierPusher]: treesize reduction 20, result has 45.9 percent of original size [2021-03-26 15:15:21,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 15:15:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 15:15:21,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194459967] [2021-03-26 15:15:21,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 15:15:21,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 15:15:21,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481627468] [2021-03-26 15:15:21,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 15:15:21,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 15:15:21,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 15:15:21,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-03-26 15:15:21,165 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 183 [2021-03-26 15:15:21,165 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 883 places, 981 transitions, 33765 flow. Second operand has 12 states, 12 states have (on average 49.083333333333336) internal successors, (589), 12 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:21,165 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 15:15:21,165 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 183 [2021-03-26 15:15:21,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 15:15:23,239 INFO L129 PetriNetUnfolder]: 1001/2475 cut-off events. [2021-03-26 15:15:23,239 INFO L130 PetriNetUnfolder]: For 361673/361686 co-relation queries the response was YES. [2021-03-26 15:15:23,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36849 conditions, 2475 events. 1001/2475 cut-off events. For 361673/361686 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 20398 event pairs, 20 based on Foata normal form. 14/2111 useless extension candidates. Maximal degree in co-relation 36463. Up to 1335 conditions per place. [2021-03-26 15:15:23,318 INFO L132 encePairwiseOnDemand]: 163/183 looper letters, 919 selfloop transitions, 87 changer transitions 0/1024 dead transitions. [2021-03-26 15:15:23,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 899 places, 1024 transitions, 38911 flow [2021-03-26 15:15:23,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-26 15:15:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-26 15:15:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 913 transitions. [2021-03-26 15:15:23,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2934747669559627 [2021-03-26 15:15:23,319 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 913 transitions. [2021-03-26 15:15:23,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 913 transitions. [2021-03-26 15:15:23,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 15:15:23,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 913 transitions. [2021-03-26 15:15:23,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 53.705882352941174) internal successors, (913), 17 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:23,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 183.0) internal successors, (3294), 18 states have internal predecessors, (3294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:23,321 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 183.0) internal successors, (3294), 18 states have internal predecessors, (3294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 15:15:23,321 INFO L185 Difference]: Start difference. First operand has 883 places, 981 transitions, 33765 flow. Second operand 17 states and 913 transitions. [2021-03-26 15:15:23,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 899 places, 1024 transitions, 38911 flow Received shutdown request... [2021-03-26 15:15:25,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable361 [2021-03-26 15:15:25,311 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 15:15:25,314 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 15:15:25,314 INFO L202 PluginConnector]: Adding new model barrier.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 03:15:25 BasicIcfg [2021-03-26 15:15:25,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 15:15:25,315 INFO L168 Benchmark]: Toolchain (without parser) took 818691.83 ms. Allocated memory was 356.5 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 336.8 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB. [2021-03-26 15:15:25,315 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 356.5 MB. Free memory was 338.0 MB in the beginning and 337.9 MB in the end (delta: 79.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 15:15:25,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.94 ms. Allocated memory is still 356.5 MB. Free memory was 336.7 MB in the beginning and 335.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 15:15:25,315 INFO L168 Benchmark]: Boogie Preprocessor took 26.95 ms. Allocated memory is still 356.5 MB. Free memory was 335.2 MB in the beginning and 334.2 MB in the end (delta: 995.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 15:15:25,315 INFO L168 Benchmark]: RCFGBuilder took 290.40 ms. Allocated memory is still 356.5 MB. Free memory was 334.1 MB in the beginning and 320.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-26 15:15:25,315 INFO L168 Benchmark]: TraceAbstraction took 818341.95 ms. Allocated memory was 356.5 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 320.3 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB. [2021-03-26 15:15:25,316 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 0.14 ms. Allocated memory is still 356.5 MB. Free memory was 338.0 MB in the beginning and 337.9 MB in the end (delta: 79.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.94 ms. Allocated memory is still 356.5 MB. Free memory was 336.7 MB in the beginning and 335.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.95 ms. Allocated memory is still 356.5 MB. Free memory was 335.2 MB in the beginning and 334.2 MB in the end (delta: 995.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 290.40 ms. Allocated memory is still 356.5 MB. Free memory was 334.1 MB in the beginning and 320.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 818341.95 ms. Allocated memory was 356.5 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 320.3 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 394.3ms, 66 PlacesBefore, 53 PlacesAfterwards, 51 TransitionsBefore, 38 TransitionsAfterwards, 1336 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 13 TotalNumberOfCompositions, 1358 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 710, positive: 672, positive conditional: 672, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 710, positive: 672, positive conditional: 0, positive unconditional: 672, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 710, positive: 672, positive conditional: 0, positive unconditional: 672, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 638, positive: 611, positive conditional: 0, positive unconditional: 611, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 638, positive: 607, positive conditional: 0, positive unconditional: 607, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 710, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 638, unknown conditional: 0, unknown unconditional: 638] , Statistics on independence cache: Total cache size (in pairs): 638, Positive cache size: 611, Positive conditional cache size: 0, Positive unconditional cache size: 611, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.6ms, 43 PlacesBefore, 41 PlacesAfterwards, 38 TransitionsBefore, 36 TransitionsAfterwards, 668 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 773 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 410, positive: 376, positive conditional: 376, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 410, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 410, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 410, positive: 292, positive conditional: 0, positive unconditional: 292, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 84, unknown conditional: 0, unknown unconditional: 84] , Statistics on independence cache: Total cache size (in pairs): 722, Positive cache size: 695, Positive conditional cache size: 0, Positive unconditional cache size: 695, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.3ms, 42 PlacesBefore, 40 PlacesAfterwards, 36 TransitionsBefore, 34 TransitionsAfterwards, 584 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 503 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 279, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 279, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 279, positive: 256, positive conditional: 0, positive unconditional: 256, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 279, positive: 230, positive conditional: 0, positive unconditional: 230, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 26, unknown conditional: 0, unknown unconditional: 26] , Statistics on independence cache: Total cache size (in pairs): 748, Positive cache size: 721, Positive conditional cache size: 0, Positive unconditional cache size: 721, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.2ms, 41 PlacesBefore, 39 PlacesAfterwards, 34 TransitionsBefore, 32 TransitionsAfterwards, 502 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 257 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive 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: 138, positive conditional: 0, positive unconditional: 138, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 760, Positive cache size: 733, Positive conditional cache size: 0, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 93.7ms, 56 PlacesBefore, 56 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 786 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 9 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 761, Positive cache size: 734, Positive conditional cache size: 1, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.3ms, 58 PlacesBefore, 58 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 630 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 761, Positive cache size: 734, Positive conditional cache size: 1, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.3ms, 67 PlacesBefore, 67 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 761, Positive cache size: 734, Positive conditional cache size: 1, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.2ms, 72 PlacesBefore, 66 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 761, Positive cache size: 734, Positive conditional cache size: 1, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 96.0ms, 71 PlacesBefore, 71 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.0ms, 86 PlacesBefore, 86 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 860 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.6ms, 103 PlacesBefore, 102 PlacesAfterwards, 161 TransitionsBefore, 161 TransitionsAfterwards, 934 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.6ms, 114 PlacesBefore, 106 PlacesAfterwards, 138 TransitionsBefore, 138 TransitionsAfterwards, 736 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.4ms, 104 PlacesBefore, 104 PlacesAfterwards, 166 TransitionsBefore, 166 TransitionsAfterwards, 868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.5ms, 113 PlacesBefore, 111 PlacesAfterwards, 182 TransitionsBefore, 182 TransitionsAfterwards, 884 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.8ms, 124 PlacesBefore, 123 PlacesAfterwards, 195 TransitionsBefore, 195 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.6ms, 128 PlacesBefore, 128 PlacesAfterwards, 213 TransitionsBefore, 213 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.0ms, 136 PlacesBefore, 136 PlacesAfterwards, 223 TransitionsBefore, 223 TransitionsAfterwards, 1012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.7ms, 142 PlacesBefore, 140 PlacesAfterwards, 222 TransitionsBefore, 222 TransitionsAfterwards, 1002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.4ms, 143 PlacesBefore, 141 PlacesAfterwards, 220 TransitionsBefore, 220 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.7ms, 144 PlacesBefore, 143 PlacesAfterwards, 218 TransitionsBefore, 218 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.3ms, 144 PlacesBefore, 144 PlacesAfterwards, 221 TransitionsBefore, 221 TransitionsAfterwards, 1032 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.6ms, 148 PlacesBefore, 146 PlacesAfterwards, 216 TransitionsBefore, 216 TransitionsAfterwards, 980 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.7ms, 148 PlacesBefore, 148 PlacesAfterwards, 221 TransitionsBefore, 221 TransitionsAfterwards, 1048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.2ms, 153 PlacesBefore, 151 PlacesAfterwards, 211 TransitionsBefore, 211 TransitionsAfterwards, 930 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.2ms, 152 PlacesBefore, 151 PlacesAfterwards, 219 TransitionsBefore, 219 TransitionsAfterwards, 968 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 57.1ms, 153 PlacesBefore, 153 PlacesAfterwards, 230 TransitionsBefore, 230 TransitionsAfterwards, 1020 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.8ms, 160 PlacesBefore, 160 PlacesAfterwards, 226 TransitionsBefore, 226 TransitionsAfterwards, 980 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 67.5ms, 160 PlacesBefore, 156 PlacesAfterwards, 221 TransitionsBefore, 221 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.8ms, 153 PlacesBefore, 153 PlacesAfterwards, 229 TransitionsBefore, 229 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 765, Positive cache size: 738, Positive conditional cache size: 5, Positive unconditional cache size: 733, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 110.1ms, 164 PlacesBefore, 163 PlacesAfterwards, 242 TransitionsBefore, 242 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.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: 4, positive: 3, positive conditional: 1, positive unconditional: 2, 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): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 98.2ms, 171 PlacesBefore, 171 PlacesAfterwards, 251 TransitionsBefore, 251 TransitionsAfterwards, 1054 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.7ms, 179 PlacesBefore, 179 PlacesAfterwards, 258 TransitionsBefore, 258 TransitionsAfterwards, 1100 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61.8ms, 184 PlacesBefore, 183 PlacesAfterwards, 260 TransitionsBefore, 260 TransitionsAfterwards, 1100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 90.6ms, 190 PlacesBefore, 184 PlacesAfterwards, 263 TransitionsBefore, 263 TransitionsAfterwards, 1080 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.0ms, 194 PlacesBefore, 194 PlacesAfterwards, 276 TransitionsBefore, 276 TransitionsAfterwards, 1132 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.4ms, 199 PlacesBefore, 199 PlacesAfterwards, 284 TransitionsBefore, 284 TransitionsAfterwards, 1198 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.0ms, 207 PlacesBefore, 203 PlacesAfterwards, 280 TransitionsBefore, 280 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.4ms, 202 PlacesBefore, 202 PlacesAfterwards, 291 TransitionsBefore, 291 TransitionsAfterwards, 1226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88.2ms, 216 PlacesBefore, 216 PlacesAfterwards, 289 TransitionsBefore, 289 TransitionsAfterwards, 1210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.5ms, 216 PlacesBefore, 216 PlacesAfterwards, 291 TransitionsBefore, 291 TransitionsAfterwards, 1226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 79.4ms, 222 PlacesBefore, 222 PlacesAfterwards, 297 TransitionsBefore, 297 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 81.6ms, 229 PlacesBefore, 228 PlacesAfterwards, 298 TransitionsBefore, 298 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 81.2ms, 231 PlacesBefore, 230 PlacesAfterwards, 297 TransitionsBefore, 297 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 112.6ms, 235 PlacesBefore, 235 PlacesAfterwards, 324 TransitionsBefore, 324 TransitionsAfterwards, 1324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.7ms, 246 PlacesBefore, 246 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 1470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 108.0ms, 260 PlacesBefore, 258 PlacesAfterwards, 344 TransitionsBefore, 344 TransitionsAfterwards, 1470 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.3ms, 258 PlacesBefore, 253 PlacesAfterwards, 333 TransitionsBefore, 333 TransitionsAfterwards, 1422 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.8ms, 248 PlacesBefore, 246 PlacesAfterwards, 328 TransitionsBefore, 328 TransitionsAfterwards, 1388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 122.3ms, 245 PlacesBefore, 239 PlacesAfterwards, 322 TransitionsBefore, 322 TransitionsAfterwards, 1378 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130.9ms, 239 PlacesBefore, 238 PlacesAfterwards, 321 TransitionsBefore, 321 TransitionsAfterwards, 1378 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 94.1ms, 243 PlacesBefore, 243 PlacesAfterwards, 323 TransitionsBefore, 323 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 136.8ms, 249 PlacesBefore, 249 PlacesAfterwards, 318 TransitionsBefore, 318 TransitionsAfterwards, 1416 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.4ms, 253 PlacesBefore, 252 PlacesAfterwards, 309 TransitionsBefore, 309 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 766, Positive cache size: 739, Positive conditional cache size: 5, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 204.1ms, 262 PlacesBefore, 262 PlacesAfterwards, 359 TransitionsBefore, 359 TransitionsAfterwards, 1640 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 7, positive conditional: 4, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 740, Positive conditional cache size: 6, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.6ms, 272 PlacesBefore, 272 PlacesAfterwards, 366 TransitionsBefore, 366 TransitionsAfterwards, 1686 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 740, Positive conditional cache size: 6, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 170.5ms, 277 PlacesBefore, 277 PlacesAfterwards, 380 TransitionsBefore, 380 TransitionsAfterwards, 1786 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 740, Positive conditional cache size: 6, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 112.5ms, 287 PlacesBefore, 287 PlacesAfterwards, 384 TransitionsBefore, 384 TransitionsAfterwards, 1820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 740, Positive conditional cache size: 6, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.5ms, 292 PlacesBefore, 292 PlacesAfterwards, 398 TransitionsBefore, 398 TransitionsAfterwards, 1918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 767, Positive cache size: 740, Positive conditional cache size: 6, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 183.7ms, 296 PlacesBefore, 296 PlacesAfterwards, 409 TransitionsBefore, 409 TransitionsAfterwards, 1796 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 126.4ms, 302 PlacesBefore, 302 PlacesAfterwards, 415 TransitionsBefore, 415 TransitionsAfterwards, 1858 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 154.2ms, 310 PlacesBefore, 310 PlacesAfterwards, 416 TransitionsBefore, 416 TransitionsAfterwards, 1872 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 118.6ms, 312 PlacesBefore, 292 PlacesAfterwards, 386 TransitionsBefore, 386 TransitionsAfterwards, 1622 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 136.1ms, 284 PlacesBefore, 281 PlacesAfterwards, 407 TransitionsBefore, 407 TransitionsAfterwards, 1600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 144.3ms, 286 PlacesBefore, 286 PlacesAfterwards, 411 TransitionsBefore, 411 TransitionsAfterwards, 1652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.5ms, 296 PlacesBefore, 296 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 1768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.4ms, 309 PlacesBefore, 309 PlacesAfterwards, 447 TransitionsBefore, 447 TransitionsAfterwards, 1852 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 164.5ms, 321 PlacesBefore, 319 PlacesAfterwards, 461 TransitionsBefore, 461 TransitionsAfterwards, 1860 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.7ms, 332 PlacesBefore, 332 PlacesAfterwards, 459 TransitionsBefore, 459 TransitionsAfterwards, 1840 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 166.7ms, 335 PlacesBefore, 335 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 1738 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.8ms, 328 PlacesBefore, 325 PlacesAfterwards, 439 TransitionsBefore, 439 TransitionsAfterwards, 1742 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 154.6ms, 327 PlacesBefore, 324 PlacesAfterwards, 432 TransitionsBefore, 432 TransitionsAfterwards, 1746 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 154.9ms, 321 PlacesBefore, 321 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.2ms, 328 PlacesBefore, 328 PlacesAfterwards, 451 TransitionsBefore, 451 TransitionsAfterwards, 1888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 216.7ms, 344 PlacesBefore, 344 PlacesAfterwards, 516 TransitionsBefore, 516 TransitionsAfterwards, 2098 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 212.7ms, 356 PlacesBefore, 356 PlacesAfterwards, 538 TransitionsBefore, 538 TransitionsAfterwards, 2234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 255.0ms, 372 PlacesBefore, 370 PlacesAfterwards, 545 TransitionsBefore, 545 TransitionsAfterwards, 2210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 240.6ms, 373 PlacesBefore, 373 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 2264 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 218.4ms, 392 PlacesBefore, 392 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 2076 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 210.3ms, 377 PlacesBefore, 377 PlacesAfterwards, 542 TransitionsBefore, 542 TransitionsAfterwards, 2144 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 271.7ms, 388 PlacesBefore, 388 PlacesAfterwards, 560 TransitionsBefore, 560 TransitionsAfterwards, 2310 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 248.8ms, 395 PlacesBefore, 395 PlacesAfterwards, 574 TransitionsBefore, 574 TransitionsAfterwards, 2420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.6ms, 406 PlacesBefore, 406 PlacesAfterwards, 583 TransitionsBefore, 583 TransitionsAfterwards, 2436 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 332.0ms, 413 PlacesBefore, 412 PlacesAfterwards, 585 TransitionsBefore, 585 TransitionsAfterwards, 2506 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 269.7ms, 417 PlacesBefore, 417 PlacesAfterwards, 585 TransitionsBefore, 585 TransitionsAfterwards, 2554 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 283.1ms, 418 PlacesBefore, 418 PlacesAfterwards, 584 TransitionsBefore, 584 TransitionsAfterwards, 2582 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 289.6ms, 423 PlacesBefore, 423 PlacesAfterwards, 586 TransitionsBefore, 586 TransitionsAfterwards, 2606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 251.8ms, 431 PlacesBefore, 427 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 2356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 275.3ms, 406 PlacesBefore, 406 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 2356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 305.7ms, 419 PlacesBefore, 416 PlacesAfterwards, 551 TransitionsBefore, 551 TransitionsAfterwards, 2266 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.5ms, 398 PlacesBefore, 398 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 2368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 310.4ms, 397 PlacesBefore, 396 PlacesAfterwards, 577 TransitionsBefore, 577 TransitionsAfterwards, 2356 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 244.5ms, 408 PlacesBefore, 407 PlacesAfterwards, 569 TransitionsBefore, 569 TransitionsAfterwards, 2312 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.1ms, 413 PlacesBefore, 413 PlacesAfterwards, 575 TransitionsBefore, 575 TransitionsAfterwards, 2332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 357.1ms, 425 PlacesBefore, 421 PlacesAfterwards, 584 TransitionsBefore, 584 TransitionsAfterwards, 2292 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 268.2ms, 410 PlacesBefore, 410 PlacesAfterwards, 586 TransitionsBefore, 586 TransitionsAfterwards, 2320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.9ms, 412 PlacesBefore, 411 PlacesAfterwards, 580 TransitionsBefore, 580 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 251.7ms, 409 PlacesBefore, 409 PlacesAfterwards, 581 TransitionsBefore, 581 TransitionsAfterwards, 2290 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 250.0ms, 418 PlacesBefore, 417 PlacesAfterwards, 574 TransitionsBefore, 574 TransitionsAfterwards, 2232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 257.8ms, 414 PlacesBefore, 414 PlacesAfterwards, 581 TransitionsBefore, 581 TransitionsAfterwards, 2312 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 773, Positive cache size: 746, Positive conditional cache size: 12, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 353.8ms, 423 PlacesBefore, 420 PlacesAfterwards, 558 TransitionsBefore, 558 TransitionsAfterwards, 2056 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 242.7ms, 417 PlacesBefore, 417 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 2056 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 260.2ms, 416 PlacesBefore, 414 PlacesAfterwards, 556 TransitionsBefore, 556 TransitionsAfterwards, 2034 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 251.2ms, 418 PlacesBefore, 417 PlacesAfterwards, 568 TransitionsBefore, 568 TransitionsAfterwards, 2102 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 262.7ms, 424 PlacesBefore, 424 PlacesAfterwards, 590 TransitionsBefore, 590 TransitionsAfterwards, 2136 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.7ms, 435 PlacesBefore, 430 PlacesAfterwards, 577 TransitionsBefore, 577 TransitionsAfterwards, 2034 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 218.6ms, 430 PlacesBefore, 417 PlacesAfterwards, 550 TransitionsBefore, 550 TransitionsAfterwards, 1772 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 203.5ms, 408 PlacesBefore, 404 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 1668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.2ms, 375 PlacesBefore, 374 PlacesAfterwards, 539 TransitionsBefore, 539 TransitionsAfterwards, 1668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 221.6ms, 376 PlacesBefore, 375 PlacesAfterwards, 550 TransitionsBefore, 550 TransitionsAfterwards, 1668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 208.7ms, 387 PlacesBefore, 385 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 1696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.1ms, 391 PlacesBefore, 391 PlacesAfterwards, 574 TransitionsBefore, 574 TransitionsAfterwards, 1782 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 230.1ms, 404 PlacesBefore, 404 PlacesAfterwards, 588 TransitionsBefore, 588 TransitionsAfterwards, 1782 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 233.9ms, 402 PlacesBefore, 402 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 1834 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 243.0ms, 417 PlacesBefore, 417 PlacesAfterwards, 601 TransitionsBefore, 601 TransitionsAfterwards, 1858 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 317.4ms, 418 PlacesBefore, 417 PlacesAfterwards, 606 TransitionsBefore, 605 TransitionsAfterwards, 1896 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 268.2ms, 430 PlacesBefore, 429 PlacesAfterwards, 610 TransitionsBefore, 610 TransitionsAfterwards, 1900 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 342.1ms, 431 PlacesBefore, 431 PlacesAfterwards, 614 TransitionsBefore, 614 TransitionsAfterwards, 1928 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 264.5ms, 437 PlacesBefore, 437 PlacesAfterwards, 617 TransitionsBefore, 617 TransitionsAfterwards, 1952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 344.5ms, 446 PlacesBefore, 446 PlacesAfterwards, 619 TransitionsBefore, 619 TransitionsAfterwards, 1972 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 262.7ms, 450 PlacesBefore, 449 PlacesAfterwards, 615 TransitionsBefore, 615 TransitionsAfterwards, 1972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 258.3ms, 450 PlacesBefore, 444 PlacesAfterwards, 609 TransitionsBefore, 609 TransitionsAfterwards, 1940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 259.0ms, 447 PlacesBefore, 446 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 1940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 342.1ms, 441 PlacesBefore, 441 PlacesAfterwards, 613 TransitionsBefore, 613 TransitionsAfterwards, 1976 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 267.5ms, 449 PlacesBefore, 449 PlacesAfterwards, 617 TransitionsBefore, 617 TransitionsAfterwards, 2004 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 382.3ms, 452 PlacesBefore, 452 PlacesAfterwards, 620 TransitionsBefore, 620 TransitionsAfterwards, 2074 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 273.7ms, 465 PlacesBefore, 465 PlacesAfterwards, 625 TransitionsBefore, 625 TransitionsAfterwards, 2112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 284.2ms, 474 PlacesBefore, 474 PlacesAfterwards, 636 TransitionsBefore, 636 TransitionsAfterwards, 2160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 296.5ms, 482 PlacesBefore, 482 PlacesAfterwards, 643 TransitionsBefore, 643 TransitionsAfterwards, 2226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 377.0ms, 490 PlacesBefore, 486 PlacesAfterwards, 637 TransitionsBefore, 636 TransitionsAfterwards, 2202 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 318.7ms, 483 PlacesBefore, 483 PlacesAfterwards, 648 TransitionsBefore, 648 TransitionsAfterwards, 2262 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 407.7ms, 492 PlacesBefore, 484 PlacesAfterwards, 641 TransitionsBefore, 641 TransitionsAfterwards, 2228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 322.9ms, 480 PlacesBefore, 480 PlacesAfterwards, 645 TransitionsBefore, 645 TransitionsAfterwards, 2262 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 375.4ms, 483 PlacesBefore, 482 PlacesAfterwards, 647 TransitionsBefore, 646 TransitionsAfterwards, 2282 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 308.1ms, 493 PlacesBefore, 493 PlacesAfterwards, 653 TransitionsBefore, 653 TransitionsAfterwards, 2296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 301.2ms, 500 PlacesBefore, 500 PlacesAfterwards, 648 TransitionsBefore, 648 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 406.9ms, 501 PlacesBefore, 501 PlacesAfterwards, 657 TransitionsBefore, 657 TransitionsAfterwards, 2366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 328.0ms, 510 PlacesBefore, 503 PlacesAfterwards, 652 TransitionsBefore, 652 TransitionsAfterwards, 2306 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 430.1ms, 501 PlacesBefore, 497 PlacesAfterwards, 649 TransitionsBefore, 649 TransitionsAfterwards, 2296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 775, Positive cache size: 748, Positive conditional cache size: 14, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 396.6ms, 500 PlacesBefore, 490 PlacesAfterwards, 640 TransitionsBefore, 640 TransitionsAfterwards, 2252 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 503.9ms, 492 PlacesBefore, 492 PlacesAfterwards, 649 TransitionsBefore, 649 TransitionsAfterwards, 2334 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 345.0ms, 499 PlacesBefore, 495 PlacesAfterwards, 654 TransitionsBefore, 654 TransitionsAfterwards, 2420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 321.9ms, 506 PlacesBefore, 502 PlacesAfterwards, 643 TransitionsBefore, 643 TransitionsAfterwards, 2358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 335.6ms, 502 PlacesBefore, 502 PlacesAfterwards, 647 TransitionsBefore, 647 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 450.3ms, 508 PlacesBefore, 508 PlacesAfterwards, 634 TransitionsBefore, 634 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 371.7ms, 509 PlacesBefore, 508 PlacesAfterwards, 632 TransitionsBefore, 632 TransitionsAfterwards, 2450 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 313.1ms, 513 PlacesBefore, 512 PlacesAfterwards, 626 TransitionsBefore, 626 TransitionsAfterwards, 2450 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 307.7ms, 512 PlacesBefore, 508 PlacesAfterwards, 613 TransitionsBefore, 613 TransitionsAfterwards, 2358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 296.9ms, 501 PlacesBefore, 501 PlacesAfterwards, 615 TransitionsBefore, 615 TransitionsAfterwards, 2402 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 308.2ms, 501 PlacesBefore, 501 PlacesAfterwards, 616 TransitionsBefore, 616 TransitionsAfterwards, 2412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 452.4ms, 513 PlacesBefore, 508 PlacesAfterwards, 597 TransitionsBefore, 597 TransitionsAfterwards, 2388 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 378.2ms, 504 PlacesBefore, 501 PlacesAfterwards, 591 TransitionsBefore, 591 TransitionsAfterwards, 2384 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 316.1ms, 496 PlacesBefore, 492 PlacesAfterwards, 577 TransitionsBefore, 577 TransitionsAfterwards, 2302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 779, Positive cache size: 752, Positive conditional cache size: 18, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 373.8ms, 492 PlacesBefore, 484 PlacesAfterwards, 542 TransitionsBefore, 542 TransitionsAfterwards, 2036 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 275.8ms, 473 PlacesBefore, 468 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 2024 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 231.6ms, 468 PlacesBefore, 468 PlacesAfterwards, 536 TransitionsBefore, 536 TransitionsAfterwards, 2064 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 242.3ms, 474 PlacesBefore, 472 PlacesAfterwards, 524 TransitionsBefore, 524 TransitionsAfterwards, 1928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 232.9ms, 472 PlacesBefore, 472 PlacesAfterwards, 531 TransitionsBefore, 531 TransitionsAfterwards, 1954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 243.4ms, 482 PlacesBefore, 482 PlacesAfterwards, 537 TransitionsBefore, 537 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 243.0ms, 487 PlacesBefore, 487 PlacesAfterwards, 536 TransitionsBefore, 536 TransitionsAfterwards, 1980 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 304.3ms, 488 PlacesBefore, 485 PlacesAfterwards, 536 TransitionsBefore, 536 TransitionsAfterwards, 1952 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 248.3ms, 491 PlacesBefore, 490 PlacesAfterwards, 538 TransitionsBefore, 538 TransitionsAfterwards, 1950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 311.8ms, 495 PlacesBefore, 493 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 1970 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.8ms, 502 PlacesBefore, 502 PlacesAfterwards, 553 TransitionsBefore, 553 TransitionsAfterwards, 2004 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 258.1ms, 510 PlacesBefore, 507 PlacesAfterwards, 546 TransitionsBefore, 546 TransitionsAfterwards, 1922 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 262.0ms, 506 PlacesBefore, 506 PlacesAfterwards, 551 TransitionsBefore, 551 TransitionsAfterwards, 1962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 274.0ms, 516 PlacesBefore, 516 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 2060 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 360.8ms, 520 PlacesBefore, 520 PlacesAfterwards, 565 TransitionsBefore, 565 TransitionsAfterwards, 2090 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 278.4ms, 525 PlacesBefore, 525 PlacesAfterwards, 565 TransitionsBefore, 565 TransitionsAfterwards, 2124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 291.6ms, 527 PlacesBefore, 527 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 2124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 278.6ms, 528 PlacesBefore, 527 PlacesAfterwards, 560 TransitionsBefore, 560 TransitionsAfterwards, 2090 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 785, Positive cache size: 758, Positive conditional cache size: 24, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 461.7ms, 530 PlacesBefore, 526 PlacesAfterwards, 556 TransitionsBefore, 556 TransitionsAfterwards, 2068 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 271.7ms, 522 PlacesBefore, 519 PlacesAfterwards, 553 TransitionsBefore, 553 TransitionsAfterwards, 2056 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 338.9ms, 517 PlacesBefore, 517 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 2108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.2ms, 524 PlacesBefore, 518 PlacesAfterwards, 541 TransitionsBefore, 541 TransitionsAfterwards, 1964 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 264.5ms, 517 PlacesBefore, 516 PlacesAfterwards, 546 TransitionsBefore, 546 TransitionsAfterwards, 1964 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 261.5ms, 521 PlacesBefore, 521 PlacesAfterwards, 549 TransitionsBefore, 549 TransitionsAfterwards, 1998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 246.5ms, 530 PlacesBefore, 527 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 1862 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.7ms, 516 PlacesBefore, 516 PlacesAfterwards, 528 TransitionsBefore, 528 TransitionsAfterwards, 1876 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 254.4ms, 517 PlacesBefore, 516 PlacesAfterwards, 526 TransitionsBefore, 526 TransitionsAfterwards, 1876 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 255.2ms, 517 PlacesBefore, 514 PlacesAfterwards, 517 TransitionsBefore, 517 TransitionsAfterwards, 1842 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 239.8ms, 498 PlacesBefore, 497 PlacesAfterwards, 511 TransitionsBefore, 511 TransitionsAfterwards, 1816 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 224.7ms, 499 PlacesBefore, 494 PlacesAfterwards, 499 TransitionsBefore, 499 TransitionsAfterwards, 1724 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 313.2ms, 482 PlacesBefore, 475 PlacesAfterwards, 491 TransitionsBefore, 491 TransitionsAfterwards, 1690 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 199.3ms, 469 PlacesBefore, 467 PlacesAfterwards, 484 TransitionsBefore, 484 TransitionsAfterwards, 1666 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 196.5ms, 457 PlacesBefore, 457 PlacesAfterwards, 485 TransitionsBefore, 485 TransitionsAfterwards, 1678 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.8ms, 462 PlacesBefore, 460 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 1628 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 245.8ms, 460 PlacesBefore, 460 PlacesAfterwards, 488 TransitionsBefore, 488 TransitionsAfterwards, 1680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 246.8ms, 466 PlacesBefore, 466 PlacesAfterwards, 491 TransitionsBefore, 491 TransitionsAfterwards, 1720 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 215.5ms, 471 PlacesBefore, 471 PlacesAfterwards, 496 TransitionsBefore, 496 TransitionsAfterwards, 1760 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 221.1ms, 479 PlacesBefore, 479 PlacesAfterwards, 494 TransitionsBefore, 494 TransitionsAfterwards, 1720 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 204.9ms, 475 PlacesBefore, 474 PlacesAfterwards, 489 TransitionsBefore, 489 TransitionsAfterwards, 1666 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 212.7ms, 473 PlacesBefore, 473 PlacesAfterwards, 496 TransitionsBefore, 496 TransitionsAfterwards, 1700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 219.4ms, 480 PlacesBefore, 480 PlacesAfterwards, 498 TransitionsBefore, 498 TransitionsAfterwards, 1700 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 210.9ms, 481 PlacesBefore, 479 PlacesAfterwards, 493 TransitionsBefore, 493 TransitionsAfterwards, 1650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 213.9ms, 477 PlacesBefore, 477 PlacesAfterwards, 495 TransitionsBefore, 495 TransitionsAfterwards, 1676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 234.2ms, 481 PlacesBefore, 481 PlacesAfterwards, 502 TransitionsBefore, 502 TransitionsAfterwards, 1724 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 257.4ms, 486 PlacesBefore, 486 PlacesAfterwards, 510 TransitionsBefore, 510 TransitionsAfterwards, 1754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 233.2ms, 492 PlacesBefore, 492 PlacesAfterwards, 509 TransitionsBefore, 509 TransitionsAfterwards, 1770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 233.7ms, 493 PlacesBefore, 493 PlacesAfterwards, 507 TransitionsBefore, 507 TransitionsAfterwards, 1770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 270.5ms, 494 PlacesBefore, 490 PlacesAfterwards, 502 TransitionsBefore, 502 TransitionsAfterwards, 1742 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.3ms, 485 PlacesBefore, 485 PlacesAfterwards, 502 TransitionsBefore, 502 TransitionsAfterwards, 1756 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 232.9ms, 489 PlacesBefore, 489 PlacesAfterwards, 504 TransitionsBefore, 504 TransitionsAfterwards, 1764 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 235.3ms, 491 PlacesBefore, 491 PlacesAfterwards, 505 TransitionsBefore, 505 TransitionsAfterwards, 1784 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 228.8ms, 496 PlacesBefore, 495 PlacesAfterwards, 503 TransitionsBefore, 503 TransitionsAfterwards, 1768 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 219.8ms, 495 PlacesBefore, 493 PlacesAfterwards, 499 TransitionsBefore, 499 TransitionsAfterwards, 1750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 203.0ms, 491 PlacesBefore, 488 PlacesAfterwards, 491 TransitionsBefore, 491 TransitionsAfterwards, 1716 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 192.5ms, 486 PlacesBefore, 485 PlacesAfterwards, 483 TransitionsBefore, 483 TransitionsAfterwards, 1662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 242.0ms, 478 PlacesBefore, 471 PlacesAfterwards, 469 TransitionsBefore, 469 TransitionsAfterwards, 1628 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.1ms, 466 PlacesBefore, 466 PlacesAfterwards, 476 TransitionsBefore, 476 TransitionsAfterwards, 1706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 195.2ms, 470 PlacesBefore, 470 PlacesAfterwards, 480 TransitionsBefore, 480 TransitionsAfterwards, 1754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.0ms, 473 PlacesBefore, 471 PlacesAfterwards, 476 TransitionsBefore, 476 TransitionsAfterwards, 1720 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.1ms, 472 PlacesBefore, 471 PlacesAfterwards, 474 TransitionsBefore, 474 TransitionsAfterwards, 1720 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 190.9ms, 469 PlacesBefore, 469 PlacesAfterwards, 474 TransitionsBefore, 474 TransitionsAfterwards, 1720 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 186.8ms, 472 PlacesBefore, 465 PlacesAfterwards, 468 TransitionsBefore, 468 TransitionsAfterwards, 1686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.1ms, 469 PlacesBefore, 466 PlacesAfterwards, 460 TransitionsBefore, 459 TransitionsAfterwards, 1662 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 177.9ms, 453 PlacesBefore, 445 PlacesAfterwards, 449 TransitionsBefore, 449 TransitionsAfterwards, 1632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 183.1ms, 436 PlacesBefore, 435 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 1632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 165.2ms, 430 PlacesBefore, 429 PlacesAfterwards, 447 TransitionsBefore, 447 TransitionsAfterwards, 1632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 174.6ms, 427 PlacesBefore, 427 PlacesAfterwards, 450 TransitionsBefore, 450 TransitionsAfterwards, 1666 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 181.1ms, 433 PlacesBefore, 428 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 1632 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 165.2ms, 426 PlacesBefore, 418 PlacesAfterwards, 442 TransitionsBefore, 442 TransitionsAfterwards, 1630 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 163.6ms, 423 PlacesBefore, 423 PlacesAfterwards, 442 TransitionsBefore, 442 TransitionsAfterwards, 1630 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 213.3ms, 428 PlacesBefore, 412 PlacesAfterwards, 410 TransitionsBefore, 410 TransitionsAfterwards, 1458 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 7 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 225.1ms, 405 PlacesBefore, 404 PlacesAfterwards, 430 TransitionsBefore, 429 TransitionsAfterwards, 1554 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 159.7ms, 417 PlacesBefore, 416 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 1568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 233.2ms, 421 PlacesBefore, 420 PlacesAfterwards, 454 TransitionsBefore, 453 TransitionsAfterwards, 1688 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 786, Positive cache size: 759, Positive conditional cache size: 25, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 252.9ms, 434 PlacesBefore, 433 PlacesAfterwards, 468 TransitionsBefore, 467 TransitionsAfterwards, 1834 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 349.2ms, 446 PlacesBefore, 445 PlacesAfterwards, 495 TransitionsBefore, 495 TransitionsAfterwards, 1866 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 271.9ms, 460 PlacesBefore, 460 PlacesAfterwards, 510 TransitionsBefore, 510 TransitionsAfterwards, 2006 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 224.1ms, 468 PlacesBefore, 468 PlacesAfterwards, 521 TransitionsBefore, 521 TransitionsAfterwards, 2020 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 224.2ms, 475 PlacesBefore, 474 PlacesAfterwards, 525 TransitionsBefore, 525 TransitionsAfterwards, 2002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 223.9ms, 475 PlacesBefore, 475 PlacesAfterwards, 525 TransitionsBefore, 525 TransitionsAfterwards, 2002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 234.4ms, 481 PlacesBefore, 481 PlacesAfterwards, 531 TransitionsBefore, 531 TransitionsAfterwards, 2026 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 300.9ms, 489 PlacesBefore, 488 PlacesAfterwards, 530 TransitionsBefore, 530 TransitionsAfterwards, 2026 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 241.3ms, 488 PlacesBefore, 484 PlacesAfterwards, 527 TransitionsBefore, 527 TransitionsAfterwards, 2002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 321.2ms, 487 PlacesBefore, 487 PlacesAfterwards, 537 TransitionsBefore, 537 TransitionsAfterwards, 2110 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 274.3ms, 494 PlacesBefore, 492 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 2076 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 233.6ms, 496 PlacesBefore, 494 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 2076 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 238.6ms, 496 PlacesBefore, 490 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 2042 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 247.0ms, 496 PlacesBefore, 493 PlacesAfterwards, 537 TransitionsBefore, 537 TransitionsAfterwards, 2040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 761, Positive conditional cache size: 27, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 457.9ms, 502 PlacesBefore, 502 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 2268 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 15 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 266.0ms, 518 PlacesBefore, 518 PlacesAfterwards, 569 TransitionsBefore, 569 TransitionsAfterwards, 2342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 277.2ms, 521 PlacesBefore, 521 PlacesAfterwards, 569 TransitionsBefore, 569 TransitionsAfterwards, 2342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 339.7ms, 525 PlacesBefore, 524 PlacesAfterwards, 574 TransitionsBefore, 573 TransitionsAfterwards, 2392 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 406.7ms, 531 PlacesBefore, 531 PlacesAfterwards, 593 TransitionsBefore, 593 TransitionsAfterwards, 2550 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 304.9ms, 546 PlacesBefore, 546 PlacesAfterwards, 608 TransitionsBefore, 608 TransitionsAfterwards, 2696 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 327.0ms, 554 PlacesBefore, 554 PlacesAfterwards, 610 TransitionsBefore, 610 TransitionsAfterwards, 2722 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 330.6ms, 569 PlacesBefore, 569 PlacesAfterwards, 614 TransitionsBefore, 614 TransitionsAfterwards, 2748 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 515.0ms, 584 PlacesBefore, 584 PlacesAfterwards, 647 TransitionsBefore, 647 TransitionsAfterwards, 2934 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 403.3ms, 594 PlacesBefore, 594 PlacesAfterwards, 653 TransitionsBefore, 653 TransitionsAfterwards, 2970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 384.6ms, 603 PlacesBefore, 603 PlacesAfterwards, 669 TransitionsBefore, 669 TransitionsAfterwards, 3020 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 493.8ms, 611 PlacesBefore, 611 PlacesAfterwards, 680 TransitionsBefore, 680 TransitionsAfterwards, 3116 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 415.9ms, 626 PlacesBefore, 623 PlacesAfterwards, 684 TransitionsBefore, 684 TransitionsAfterwards, 3118 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 429.4ms, 631 PlacesBefore, 631 PlacesAfterwards, 702 TransitionsBefore, 702 TransitionsAfterwards, 3218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 452.8ms, 639 PlacesBefore, 639 PlacesAfterwards, 712 TransitionsBefore, 712 TransitionsAfterwards, 3274 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.4ms, 653 PlacesBefore, 653 PlacesAfterwards, 718 TransitionsBefore, 718 TransitionsAfterwards, 3320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 485.7ms, 664 PlacesBefore, 664 PlacesAfterwards, 710 TransitionsBefore, 710 TransitionsAfterwards, 3298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.9ms, 662 PlacesBefore, 662 PlacesAfterwards, 727 TransitionsBefore, 727 TransitionsAfterwards, 3358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 476.6ms, 674 PlacesBefore, 667 PlacesAfterwards, 724 TransitionsBefore, 724 TransitionsAfterwards, 3330 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 602.3ms, 666 PlacesBefore, 666 PlacesAfterwards, 730 TransitionsBefore, 730 TransitionsAfterwards, 3394 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 631.2ms, 677 PlacesBefore, 677 PlacesAfterwards, 732 TransitionsBefore, 732 TransitionsAfterwards, 3420 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 586.9ms, 682 PlacesBefore, 659 PlacesAfterwards, 700 TransitionsBefore, 700 TransitionsAfterwards, 3088 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 510.2ms, 647 PlacesBefore, 647 PlacesAfterwards, 715 TransitionsBefore, 715 TransitionsAfterwards, 3178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 515.8ms, 651 PlacesBefore, 651 PlacesAfterwards, 715 TransitionsBefore, 715 TransitionsAfterwards, 3178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 491.5ms, 663 PlacesBefore, 663 PlacesAfterwards, 739 TransitionsBefore, 739 TransitionsAfterwards, 3270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 650.7ms, 676 PlacesBefore, 673 PlacesAfterwards, 769 TransitionsBefore, 769 TransitionsAfterwards, 3368 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 576.4ms, 688 PlacesBefore, 688 PlacesAfterwards, 782 TransitionsBefore, 782 TransitionsAfterwards, 3502 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 579.4ms, 694 PlacesBefore, 694 PlacesAfterwards, 787 TransitionsBefore, 787 TransitionsAfterwards, 3556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 550.1ms, 699 PlacesBefore, 699 PlacesAfterwards, 788 TransitionsBefore, 788 TransitionsAfterwards, 3568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 563.2ms, 707 PlacesBefore, 706 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 3568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 560.8ms, 713 PlacesBefore, 711 PlacesAfterwards, 782 TransitionsBefore, 782 TransitionsAfterwards, 3490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 720.7ms, 724 PlacesBefore, 724 PlacesAfterwards, 799 TransitionsBefore, 799 TransitionsAfterwards, 3586 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 674.1ms, 739 PlacesBefore, 739 PlacesAfterwards, 815 TransitionsBefore, 815 TransitionsAfterwards, 3668 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 621.1ms, 751 PlacesBefore, 747 PlacesAfterwards, 813 TransitionsBefore, 813 TransitionsAfterwards, 3594 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 646.1ms, 745 PlacesBefore, 745 PlacesAfterwards, 826 TransitionsBefore, 826 TransitionsAfterwards, 3674 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 632.9ms, 753 PlacesBefore, 753 PlacesAfterwards, 827 TransitionsBefore, 827 TransitionsAfterwards, 3684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 794.4ms, 767 PlacesBefore, 767 PlacesAfterwards, 834 TransitionsBefore, 834 TransitionsAfterwards, 3758 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 803.1ms, 781 PlacesBefore, 781 PlacesAfterwards, 839 TransitionsBefore, 839 TransitionsAfterwards, 3812 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 729.9ms, 783 PlacesBefore, 769 PlacesAfterwards, 827 TransitionsBefore, 827 TransitionsAfterwards, 3698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 801.2ms, 769 PlacesBefore, 769 PlacesAfterwards, 855 TransitionsBefore, 855 TransitionsAfterwards, 3866 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 723.7ms, 782 PlacesBefore, 782 PlacesAfterwards, 866 TransitionsBefore, 866 TransitionsAfterwards, 3960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 886.0ms, 792 PlacesBefore, 792 PlacesAfterwards, 882 TransitionsBefore, 882 TransitionsAfterwards, 4078 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 758.1ms, 805 PlacesBefore, 804 PlacesAfterwards, 886 TransitionsBefore, 886 TransitionsAfterwards, 4078 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 805.5ms, 812 PlacesBefore, 812 PlacesAfterwards, 907 TransitionsBefore, 907 TransitionsAfterwards, 4152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 853.4ms, 831 PlacesBefore, 827 PlacesAfterwards, 922 TransitionsBefore, 922 TransitionsAfterwards, 4216 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 930.6ms, 833 PlacesBefore, 830 PlacesAfterwards, 918 TransitionsBefore, 918 TransitionsAfterwards, 4178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 826.1ms, 827 PlacesBefore, 827 PlacesAfterwards, 921 TransitionsBefore, 921 TransitionsAfterwards, 4194 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1027.9ms, 839 PlacesBefore, 838 PlacesAfterwards, 921 TransitionsBefore, 921 TransitionsAfterwards, 4194 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 827.7ms, 841 PlacesBefore, 841 PlacesAfterwards, 932 TransitionsBefore, 932 TransitionsAfterwards, 4296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 831.7ms, 848 PlacesBefore, 847 PlacesAfterwards, 934 TransitionsBefore, 934 TransitionsAfterwards, 4296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 838.4ms, 851 PlacesBefore, 850 PlacesAfterwards, 931 TransitionsBefore, 931 TransitionsAfterwards, 4296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 977.1ms, 852 PlacesBefore, 851 PlacesAfterwards, 930 TransitionsBefore, 930 TransitionsAfterwards, 4296 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 833.9ms, 849 PlacesBefore, 849 PlacesAfterwards, 941 TransitionsBefore, 941 TransitionsAfterwards, 4376 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1018.6ms, 857 PlacesBefore, 857 PlacesAfterwards, 944 TransitionsBefore, 944 TransitionsAfterwards, 4410 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 922.9ms, 866 PlacesBefore, 866 PlacesAfterwards, 957 TransitionsBefore, 957 TransitionsAfterwards, 4522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 947.6ms, 873 PlacesBefore, 873 PlacesAfterwards, 960 TransitionsBefore, 960 TransitionsAfterwards, 4552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 976.4ms, 880 PlacesBefore, 880 PlacesAfterwards, 960 TransitionsBefore, 960 TransitionsAfterwards, 4552 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 993.8ms, 886 PlacesBefore, 886 PlacesAfterwards, 966 TransitionsBefore, 966 TransitionsAfterwards, 4620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1150.6ms, 895 PlacesBefore, 895 PlacesAfterwards, 970 TransitionsBefore, 970 TransitionsAfterwards, 4654 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 946.0ms, 901 PlacesBefore, 878 PlacesAfterwards, 929 TransitionsBefore, 929 TransitionsAfterwards, 4296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 971.7ms, 866 PlacesBefore, 863 PlacesAfterwards, 926 TransitionsBefore, 926 TransitionsAfterwards, 4296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 850.0ms, 860 PlacesBefore, 859 PlacesAfterwards, 924 TransitionsBefore, 924 TransitionsAfterwards, 4296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 857.3ms, 859 PlacesBefore, 847 PlacesAfterwards, 917 TransitionsBefore, 917 TransitionsAfterwards, 4276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 880.2ms, 847 PlacesBefore, 847 PlacesAfterwards, 923 TransitionsBefore, 923 TransitionsAfterwards, 4298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 867.0ms, 859 PlacesBefore, 858 PlacesAfterwards, 929 TransitionsBefore, 929 TransitionsAfterwards, 4346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 893.7ms, 862 PlacesBefore, 861 PlacesAfterwards, 926 TransitionsBefore, 926 TransitionsAfterwards, 4346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 842.8ms, 864 PlacesBefore, 862 PlacesAfterwards, 923 TransitionsBefore, 923 TransitionsAfterwards, 4358 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 816.1ms, 852 PlacesBefore, 846 PlacesAfterwards, 915 TransitionsBefore, 915 TransitionsAfterwards, 4282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 822.5ms, 850 PlacesBefore, 850 PlacesAfterwards, 936 TransitionsBefore, 936 TransitionsAfterwards, 4342 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 883.8ms, 852 PlacesBefore, 848 PlacesAfterwards, 924 TransitionsBefore, 924 TransitionsAfterwards, 4244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1081.8ms, 846 PlacesBefore, 846 PlacesAfterwards, 927 TransitionsBefore, 927 TransitionsAfterwards, 4278 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 843.5ms, 854 PlacesBefore, 854 PlacesAfterwards, 934 TransitionsBefore, 934 TransitionsAfterwards, 4314 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 873.8ms, 859 PlacesBefore, 859 PlacesAfterwards, 942 TransitionsBefore, 942 TransitionsAfterwards, 4388 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 854.9ms, 868 PlacesBefore, 867 PlacesAfterwards, 930 TransitionsBefore, 930 TransitionsAfterwards, 4296 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 886.8ms, 859 PlacesBefore, 859 PlacesAfterwards, 944 TransitionsBefore, 944 TransitionsAfterwards, 4346 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 852.5ms, 869 PlacesBefore, 868 PlacesAfterwards, 944 TransitionsBefore, 944 TransitionsAfterwards, 4366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1029.7ms, 873 PlacesBefore, 870 PlacesAfterwards, 940 TransitionsBefore, 940 TransitionsAfterwards, 4336 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 874.1ms, 871 PlacesBefore, 867 PlacesAfterwards, 949 TransitionsBefore, 949 TransitionsAfterwards, 4334 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 899.9ms, 876 PlacesBefore, 876 PlacesAfterwards, 952 TransitionsBefore, 952 TransitionsAfterwards, 4354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 885.7ms, 881 PlacesBefore, 881 PlacesAfterwards, 954 TransitionsBefore, 954 TransitionsAfterwards, 4382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 891.4ms, 885 PlacesBefore, 885 PlacesAfterwards, 957 TransitionsBefore, 957 TransitionsAfterwards, 4406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 897.6ms, 894 PlacesBefore, 894 PlacesAfterwards, 963 TransitionsBefore, 963 TransitionsAfterwards, 4408 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1137.3ms, 897 PlacesBefore, 897 PlacesAfterwards, 969 TransitionsBefore, 969 TransitionsAfterwards, 4450 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 937.0ms, 905 PlacesBefore, 903 PlacesAfterwards, 969 TransitionsBefore, 969 TransitionsAfterwards, 4460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 910.7ms, 908 PlacesBefore, 905 PlacesAfterwards, 964 TransitionsBefore, 964 TransitionsAfterwards, 4448 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 920.8ms, 905 PlacesBefore, 905 PlacesAfterwards, 967 TransitionsBefore, 967 TransitionsAfterwards, 4490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 946.9ms, 911 PlacesBefore, 911 PlacesAfterwards, 970 TransitionsBefore, 970 TransitionsAfterwards, 4506 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 909.2ms, 912 PlacesBefore, 904 PlacesAfterwards, 954 TransitionsBefore, 954 TransitionsAfterwards, 4406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 916.4ms, 894 PlacesBefore, 893 PlacesAfterwards, 955 TransitionsBefore, 955 TransitionsAfterwards, 4418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 918.9ms, 894 PlacesBefore, 891 PlacesAfterwards, 953 TransitionsBefore, 953 TransitionsAfterwards, 4406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 908.1ms, 896 PlacesBefore, 896 PlacesAfterwards, 955 TransitionsBefore, 955 TransitionsAfterwards, 4426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 900.6ms, 902 PlacesBefore, 897 PlacesAfterwards, 950 TransitionsBefore, 950 TransitionsAfterwards, 4382 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 948.2ms, 898 PlacesBefore, 892 PlacesAfterwards, 944 TransitionsBefore, 944 TransitionsAfterwards, 4350 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 958.1ms, 893 PlacesBefore, 893 PlacesAfterwards, 962 TransitionsBefore, 962 TransitionsAfterwards, 4366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1000.3ms, 898 PlacesBefore, 890 PlacesAfterwards, 969 TransitionsBefore, 969 TransitionsAfterwards, 4368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 914.6ms, 897 PlacesBefore, 894 PlacesAfterwards, 957 TransitionsBefore, 957 TransitionsAfterwards, 4314 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1056.0ms, 883 PlacesBefore, 879 PlacesAfterwards, 949 TransitionsBefore, 949 TransitionsAfterwards, 4262 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1063.0ms, 880 PlacesBefore, 880 PlacesAfterwards, 952 TransitionsBefore, 952 TransitionsAfterwards, 4302 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 905.0ms, 883 PlacesBefore, 882 PlacesAfterwards, 950 TransitionsBefore, 950 TransitionsAfterwards, 4290 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 873.2ms, 881 PlacesBefore, 880 PlacesAfterwards, 947 TransitionsBefore, 947 TransitionsAfterwards, 4280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 880.6ms, 881 PlacesBefore, 876 PlacesAfterwards, 940 TransitionsBefore, 940 TransitionsAfterwards, 4246 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 869.1ms, 878 PlacesBefore, 876 PlacesAfterwards, 938 TransitionsBefore, 938 TransitionsAfterwards, 4236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 863.4ms, 873 PlacesBefore, 872 PlacesAfterwards, 937 TransitionsBefore, 937 TransitionsAfterwards, 4236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 840.3ms, 874 PlacesBefore, 872 PlacesAfterwards, 934 TransitionsBefore, 934 TransitionsAfterwards, 4210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 843.8ms, 865 PlacesBefore, 864 PlacesAfterwards, 935 TransitionsBefore, 935 TransitionsAfterwards, 4210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1117.2ms, 874 PlacesBefore, 874 PlacesAfterwards, 976 TransitionsBefore, 976 TransitionsAfterwards, 4356 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 900.9ms, 887 PlacesBefore, 876 PlacesAfterwards, 938 TransitionsBefore, 938 TransitionsAfterwards, 3970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 910.3ms, 852 PlacesBefore, 852 PlacesAfterwards, 950 TransitionsBefore, 950 TransitionsAfterwards, 3986 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 919.0ms, 856 PlacesBefore, 854 PlacesAfterwards, 952 TransitionsBefore, 952 TransitionsAfterwards, 3920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 969.4ms, 863 PlacesBefore, 863 PlacesAfterwards, 956 TransitionsBefore, 956 TransitionsAfterwards, 3970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1052.4ms, 876 PlacesBefore, 875 PlacesAfterwards, 960 TransitionsBefore, 960 TransitionsAfterwards, 3994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1135.0ms, 878 PlacesBefore, 878 PlacesAfterwards, 968 TransitionsBefore, 968 TransitionsAfterwards, 4044 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 923.7ms, 887 PlacesBefore, 886 PlacesAfterwards, 968 TransitionsBefore, 968 TransitionsAfterwards, 4058 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 957.7ms, 889 PlacesBefore, 883 PlacesAfterwards, 962 TransitionsBefore, 962 TransitionsAfterwards, 4026 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1139.6ms, 886 PlacesBefore, 882 PlacesAfterwards, 951 TransitionsBefore, 951 TransitionsAfterwards, 3954 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 932.8ms, 873 PlacesBefore, 873 PlacesAfterwards, 964 TransitionsBefore, 964 TransitionsAfterwards, 4012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 901.1ms, 881 PlacesBefore, 880 PlacesAfterwards, 962 TransitionsBefore, 962 TransitionsAfterwards, 4012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 939.6ms, 884 PlacesBefore, 880 PlacesAfterwards, 963 TransitionsBefore, 963 TransitionsAfterwards, 3988 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 926.5ms, 885 PlacesBefore, 885 PlacesAfterwards, 959 TransitionsBefore, 959 TransitionsAfterwards, 3952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 915.5ms, 882 PlacesBefore, 877 PlacesAfterwards, 953 TransitionsBefore, 953 TransitionsAfterwards, 3940 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1154.2ms, 876 PlacesBefore, 876 PlacesAfterwards, 967 TransitionsBefore, 967 TransitionsAfterwards, 4084 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 15 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1146.4ms, 883 PlacesBefore, 883 PlacesAfterwards, 981 TransitionsBefore, 981 TransitionsAfterwards, 4190 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 768, Positive conditional cache size: 34, Positive unconditional cache size: 734, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 95). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 24.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 818147.2ms, OverallIterations: 362, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 629220.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 472.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 7350 SDtfs, 6478 SDslu, 5873 SDs, 0 SdLazy, 175118 SolverSat, 5038 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61279.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4892 GetRequests, 165 SyntacticMatches, 502 SemanticMatches, 4225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5549 ImplicationChecksByTransitivity, 47562.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=34107occurred in iteration=345, InterpolantAutomatonStates: 4601, 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: 190.2ms SsaConstructionTime, 626.8ms SatisfiabilityAnalysisTime, 37312.0ms InterpolantComputationTime, 9598 NumberOfCodeBlocks, 9598 NumberOfCodeBlocksAsserted, 362 NumberOfCheckSat, 9236 ConstructedInterpolants, 0 QuantifiedInterpolants, 114252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 362 InterpolantComputations, 362 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown